/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-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-fb55353 [2019-11-07 00:18:20,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:18:20,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:18:20,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:18:20,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:18:20,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:18:20,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:18:20,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:18:20,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:18:20,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:18:20,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:18:20,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:18:20,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:18:20,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:18:20,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:18:20,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:18:20,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:18:20,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:18:20,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:18:20,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:18:20,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:18:20,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:18:20,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:18:20,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:18:20,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:18:20,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:18:20,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:18:20,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:18:20,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:18:20,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:18:20,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:18:20,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:18:20,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:18:20,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:18:20,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:18:20,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:18:20,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:18:20,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:18:20,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:18:20,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:18:20,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:18:20,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 00:18:20,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:18:20,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:18:20,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:18:20,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:18:20,827 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:18:20,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:18:20,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:18:20,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:18:20,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:18:20,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:18:20,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:18:20,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:18:20,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:18:20,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:18:20,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:18:20,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:18:20,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:18:20,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:18:20,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:18:20,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:18:20,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:18:20,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:18:20,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:18:20,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:18:20,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:18:20,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:18:20,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:18:20,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:18:20,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:18:21,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:18:21,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:18:21,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:18:21,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:18:21,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:18:21,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-11-07 00:18:21,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465f00c66/0fed509aca89465b9e499c6d461edfb0/FLAG71697fda7 [2019-11-07 00:18:22,078 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:18:22,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-11-07 00:18:22,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465f00c66/0fed509aca89465b9e499c6d461edfb0/FLAG71697fda7 [2019-11-07 00:18:22,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/465f00c66/0fed509aca89465b9e499c6d461edfb0 [2019-11-07 00:18:22,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:18:22,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:18:22,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:18:22,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:18:22,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:18:22,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:18:22" (1/1) ... [2019-11-07 00:18:22,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2105945f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:22, skipping insertion in model container [2019-11-07 00:18:22,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:18:22" (1/1) ... [2019-11-07 00:18:22,576 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:18:22,734 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:18:24,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:18:24,566 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:18:24,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:18:25,172 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:18:25,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25 WrapperNode [2019-11-07 00:18:25,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:18:25,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:18:25,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:18:25,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:18:25,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... [2019-11-07 00:18:25,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... [2019-11-07 00:18:25,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... [2019-11-07 00:18:25,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... [2019-11-07 00:18:25,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... [2019-11-07 00:18:25,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... [2019-11-07 00:18:25,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... [2019-11-07 00:18:25,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:18:25,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:18:25,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:18:25,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:18:25,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:18:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:18:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:18:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 00:18:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-11-07 00:18:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-11-07 00:18:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2019-11-07 00:18:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 00:18:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 00:18:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 00:18:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 00:18:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 00:18:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 00:18:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 00:18:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 00:18:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 00:18:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 00:18:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 00:18:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-07 00:18:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-07 00:18:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-11-07 00:18:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rc5_scan [2019-11-07 00:18:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-11-07 00:18:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2019-11-07 00:18:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_usb_i2c_msgxfer [2019-11-07 00:18:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2019-11-07 00:18:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_func [2019-11-07 00:18:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_set_voltage [2019-11-07 00:18:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_stv0299_set_symbol_rate [2019-11-07 00:18:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_frontend_attach [2019-11-07 00:18:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_tuner_attach [2019-11-07 00:18:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2019-11-07 00:18:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_streaming_ctrl [2019-11-07 00:18:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter [2019-11-07 00:18:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter_control [2019-11-07 00:18:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2019-11-07 00:18:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_read_mac_address [2019-11-07 00:18:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_load_firmware [2019-11-07 00:18:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_probe [2019-11-07 00:18:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_init [2019-11-07 00:18:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_exit [2019-11-07 00:18:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-11-07 00:18:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_4 [2019-11-07 00:18:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-11-07 00:18:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:18:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-11-07 00:18:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-11-07 00:18:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-11-07 00:18:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-11-07 00:18:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-07 00:18:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-11-07 00:18:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-11-07 00:18:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 00:18:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-07 00:18:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2019-11-07 00:18:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-11-07 00:18:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_16 [2019-11-07 00:18:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_17 [2019-11-07 00:18:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 00:18:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-11-07 00:18:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 00:18:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 00:18:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 00:18:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 00:18:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 00:18:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 00:18:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 00:18:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 00:18:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 00:18:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 00:18:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 00:18:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 00:18:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 00:18:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 00:18:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 00:18:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 00:18:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 00:18:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 00:18:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 00:18:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 00:18:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-11-07 00:18:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-11-07 00:18:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 00:18:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-11-07 00:18:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 00:18:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 00:18:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 00:18:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 00:18:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 00:18:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 00:18:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 00:18:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 00:18:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 00:18:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 00:18:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 00:18:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 00:18:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-11-07 00:18:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-11-07 00:18:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-11-07 00:18:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2019-11-07 00:18:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2019-11-07 00:18:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-11-07 00:18:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 00:18:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-11-07 00:18:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-11-07 00:18:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 00:18:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-07 00:18:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 00:18:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 00:18:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 00:18:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-11-07 00:18:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-11-07 00:18:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-11-07 00:18:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-07 00:18:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-07 00:18:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 00:18:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 00:18:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 00:18:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 00:18:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 00:18:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-11-07 00:18:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:18:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 00:18:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2019-11-07 00:18:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 00:18:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 00:18:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-11-07 00:18:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 00:18:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 00:18:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-11-07 00:18:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 00:18:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-11-07 00:18:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-07 00:18:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-11-07 00:18:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-07 00:18:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-11-07 00:18:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:18:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:18:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:18:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 00:18:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 00:18:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 00:18:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 00:18:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:18:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 00:18:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 00:18:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 00:18:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 00:18:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 00:18:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-11-07 00:18:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-11-07 00:18:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-11-07 00:18:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 00:18:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 00:18:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 00:18:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 00:18:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-11-07 00:18:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_4 [2019-11-07 00:18:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-11-07 00:18:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 00:18:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:18:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_16 [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_17 [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:18:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-11-07 00:18:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-11-07 00:18:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-11-07 00:18:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-11-07 00:18:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-11-07 00:18:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-11-07 00:18:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-11-07 00:18:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure rc5_scan [2019-11-07 00:18:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2019-11-07 00:18:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2019-11-07 00:18:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-11-07 00:18:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:18:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 00:18:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:18:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:18:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2019-11-07 00:18:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-11-07 00:18:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 00:18:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_usb_i2c_msgxfer [2019-11-07 00:18:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2019-11-07 00:18:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_func [2019-11-07 00:18:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_set_voltage [2019-11-07 00:18:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:18:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_stv0299_set_symbol_rate [2019-11-07 00:18:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_frontend_attach [2019-11-07 00:18:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-11-07 00:18:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_tuner_attach [2019-11-07 00:18:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-11-07 00:18:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_streaming_ctrl [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter_control [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_read_mac_address [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_load_firmware [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_probe [2019-11-07 00:18:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_init [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_exit [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 00:18:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-11-07 00:18:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 00:18:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 00:18:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 00:18:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 00:18:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 00:18:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 00:18:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 00:18:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 00:18:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 00:18:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 00:18:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 00:18:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 00:18:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-11-07 00:18:25,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 00:18:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 00:18:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 00:18:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 00:18:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-11-07 00:18:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 00:18:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:18:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:18:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:18:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 00:18:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 00:18:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 00:18:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:18:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 00:18:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 00:18:26,626 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 00:18:40,263 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:18:40,264 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:18:40,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:18:40 BoogieIcfgContainer [2019-11-07 00:18:40,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:18:40,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:18:40,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:18:40,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:18:40,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:18:22" (1/3) ... [2019-11-07 00:18:40,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efaa04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:18:40, skipping insertion in model container [2019-11-07 00:18:40,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:25" (2/3) ... [2019-11-07 00:18:40,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efaa04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:18:40, skipping insertion in model container [2019-11-07 00:18:40,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:18:40" (3/3) ... [2019-11-07 00:18:40,274 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 [2019-11-07 00:18:40,285 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:18:40,305 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:18:40,319 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:18:40,363 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:18:40,363 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:18:40,363 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:18:40,364 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:18:40,364 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:18:40,364 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:18:40,364 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:18:40,364 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:18:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2019-11-07 00:18:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-07 00:18:40,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:40,446 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2019-11-07 00:18:40,448 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:40,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:40,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1603246946, now seen corresponding path program 1 times [2019-11-07 00:18:40,465 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:40,465 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925278562] [2019-11-07 00:18:40,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-11-07 00:18:41,323 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925278562] [2019-11-07 00:18:41,324 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:41,324 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:41,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389675474] [2019-11-07 00:18:41,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:41,332 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:41,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:41,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:41,350 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 3 states. [2019-11-07 00:18:43,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:43,660 INFO L93 Difference]: Finished difference Result 1404 states and 1907 transitions. [2019-11-07 00:18:43,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:43,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-11-07 00:18:43,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:43,695 INFO L225 Difference]: With dead ends: 1404 [2019-11-07 00:18:43,696 INFO L226 Difference]: Without dead ends: 904 [2019-11-07 00:18:43,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2019-11-07 00:18:43,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 898. [2019-11-07 00:18:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2019-11-07 00:18:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1156 transitions. [2019-11-07 00:18:43,851 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1156 transitions. Word has length 137 [2019-11-07 00:18:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:43,852 INFO L462 AbstractCegarLoop]: Abstraction has 898 states and 1156 transitions. [2019-11-07 00:18:43,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1156 transitions. [2019-11-07 00:18:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-07 00:18:43,857 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:43,858 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2019-11-07 00:18:43,858 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:43,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:43,858 INFO L82 PathProgramCache]: Analyzing trace with hash 694111836, now seen corresponding path program 1 times [2019-11-07 00:18:43,859 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:43,859 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135778388] [2019-11-07 00:18:43,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-11-07 00:18:44,147 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135778388] [2019-11-07 00:18:44,147 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:44,147 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:44,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187793850] [2019-11-07 00:18:44,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:44,149 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:44,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:44,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:44,150 INFO L87 Difference]: Start difference. First operand 898 states and 1156 transitions. Second operand 3 states. [2019-11-07 00:18:44,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:44,304 INFO L93 Difference]: Finished difference Result 2585 states and 3327 transitions. [2019-11-07 00:18:44,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:44,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-11-07 00:18:44,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:44,324 INFO L225 Difference]: With dead ends: 2585 [2019-11-07 00:18:44,325 INFO L226 Difference]: Without dead ends: 1725 [2019-11-07 00:18:44,329 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:44,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-11-07 00:18:44,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1694. [2019-11-07 00:18:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-07 00:18:44,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2183 transitions. [2019-11-07 00:18:44,474 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2183 transitions. Word has length 143 [2019-11-07 00:18:44,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:44,477 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 2183 transitions. [2019-11-07 00:18:44,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2183 transitions. [2019-11-07 00:18:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-07 00:18:44,484 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:44,484 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1] [2019-11-07 00:18:44,485 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:44,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:44,486 INFO L82 PathProgramCache]: Analyzing trace with hash 740142846, now seen corresponding path program 1 times [2019-11-07 00:18:44,486 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:44,486 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255849192] [2019-11-07 00:18:44,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-11-07 00:18:44,900 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255849192] [2019-11-07 00:18:44,900 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:44,900 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:44,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281665848] [2019-11-07 00:18:44,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:44,903 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:44,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:44,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:44,904 INFO L87 Difference]: Start difference. First operand 1694 states and 2183 transitions. Second operand 3 states. [2019-11-07 00:18:45,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:45,138 INFO L93 Difference]: Finished difference Result 4671 states and 6040 transitions. [2019-11-07 00:18:45,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:45,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-11-07 00:18:45,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:45,165 INFO L225 Difference]: With dead ends: 4671 [2019-11-07 00:18:45,165 INFO L226 Difference]: Without dead ends: 3015 [2019-11-07 00:18:45,174 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2019-11-07 00:18:45,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 2970. [2019-11-07 00:18:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2019-11-07 00:18:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3853 transitions. [2019-11-07 00:18:45,316 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3853 transitions. Word has length 153 [2019-11-07 00:18:45,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:45,317 INFO L462 AbstractCegarLoop]: Abstraction has 2970 states and 3853 transitions. [2019-11-07 00:18:45,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3853 transitions. [2019-11-07 00:18:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-07 00:18:45,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:45,320 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1] [2019-11-07 00:18:45,320 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:45,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:45,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1599936238, now seen corresponding path program 1 times [2019-11-07 00:18:45,321 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:45,321 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296632507] [2019-11-07 00:18:45,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-07 00:18:45,703 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296632507] [2019-11-07 00:18:45,703 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:45,703 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:45,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987731463] [2019-11-07 00:18:45,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:45,705 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:45,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:45,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:45,706 INFO L87 Difference]: Start difference. First operand 2970 states and 3853 transitions. Second operand 3 states. [2019-11-07 00:18:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:45,931 INFO L93 Difference]: Finished difference Result 8764 states and 11552 transitions. [2019-11-07 00:18:45,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:45,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-11-07 00:18:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:45,976 INFO L225 Difference]: With dead ends: 8764 [2019-11-07 00:18:45,976 INFO L226 Difference]: Without dead ends: 5832 [2019-11-07 00:18:45,991 INFO L630 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 [2019-11-07 00:18:46,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2019-11-07 00:18:46,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5788. [2019-11-07 00:18:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5788 states. [2019-11-07 00:18:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 7607 transitions. [2019-11-07 00:18:46,245 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 7607 transitions. Word has length 157 [2019-11-07 00:18:46,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:46,246 INFO L462 AbstractCegarLoop]: Abstraction has 5788 states and 7607 transitions. [2019-11-07 00:18:46,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 7607 transitions. [2019-11-07 00:18:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-07 00:18:46,249 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:46,249 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1] [2019-11-07 00:18:46,249 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:46,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:46,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1941960666, now seen corresponding path program 1 times [2019-11-07 00:18:46,250 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:46,250 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879994861] [2019-11-07 00:18:46,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-07 00:18:46,618 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879994861] [2019-11-07 00:18:46,619 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:46,619 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:46,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416746848] [2019-11-07 00:18:46,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:46,620 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:46,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:46,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:46,620 INFO L87 Difference]: Start difference. First operand 5788 states and 7607 transitions. Second operand 3 states. [2019-11-07 00:18:46,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:46,758 INFO L93 Difference]: Finished difference Result 5790 states and 7608 transitions. [2019-11-07 00:18:46,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:46,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-11-07 00:18:46,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:46,798 INFO L225 Difference]: With dead ends: 5790 [2019-11-07 00:18:46,798 INFO L226 Difference]: Without dead ends: 5787 [2019-11-07 00:18:46,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2019-11-07 00:18:47,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5787. [2019-11-07 00:18:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5787 states. [2019-11-07 00:18:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5787 states to 5787 states and 7605 transitions. [2019-11-07 00:18:47,238 INFO L78 Accepts]: Start accepts. Automaton has 5787 states and 7605 transitions. Word has length 158 [2019-11-07 00:18:47,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:47,239 INFO L462 AbstractCegarLoop]: Abstraction has 5787 states and 7605 transitions. [2019-11-07 00:18:47,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5787 states and 7605 transitions. [2019-11-07 00:18:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-07 00:18:47,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:47,242 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1] [2019-11-07 00:18:47,242 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:47,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:47,243 INFO L82 PathProgramCache]: Analyzing trace with hash -71610127, now seen corresponding path program 1 times [2019-11-07 00:18:47,243 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:47,243 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824863544] [2019-11-07 00:18:47,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-07 00:18:47,546 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824863544] [2019-11-07 00:18:47,546 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:47,546 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:47,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801822440] [2019-11-07 00:18:47,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:47,547 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:47,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:47,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:47,548 INFO L87 Difference]: Start difference. First operand 5787 states and 7605 transitions. Second operand 3 states. [2019-11-07 00:18:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:47,699 INFO L93 Difference]: Finished difference Result 5789 states and 7606 transitions. [2019-11-07 00:18:47,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:47,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-11-07 00:18:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:47,736 INFO L225 Difference]: With dead ends: 5789 [2019-11-07 00:18:47,736 INFO L226 Difference]: Without dead ends: 5786 [2019-11-07 00:18:47,740 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5786 states. [2019-11-07 00:18:47,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5786 to 5786. [2019-11-07 00:18:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5786 states. [2019-11-07 00:18:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 7603 transitions. [2019-11-07 00:18:48,004 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 7603 transitions. Word has length 159 [2019-11-07 00:18:48,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:48,005 INFO L462 AbstractCegarLoop]: Abstraction has 5786 states and 7603 transitions. [2019-11-07 00:18:48,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 7603 transitions. [2019-11-07 00:18:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-07 00:18:48,008 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:48,008 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1] [2019-11-07 00:18:48,009 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:48,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:48,009 INFO L82 PathProgramCache]: Analyzing trace with hash 2074686601, now seen corresponding path program 1 times [2019-11-07 00:18:48,009 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:48,009 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509617571] [2019-11-07 00:18:48,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-07 00:18:48,308 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509617571] [2019-11-07 00:18:48,309 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:48,309 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:48,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114318345] [2019-11-07 00:18:48,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:48,310 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:48,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:48,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:48,310 INFO L87 Difference]: Start difference. First operand 5786 states and 7603 transitions. Second operand 3 states. [2019-11-07 00:18:48,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:48,468 INFO L93 Difference]: Finished difference Result 5788 states and 7604 transitions. [2019-11-07 00:18:48,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:48,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-11-07 00:18:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:48,516 INFO L225 Difference]: With dead ends: 5788 [2019-11-07 00:18:48,516 INFO L226 Difference]: Without dead ends: 5785 [2019-11-07 00:18:48,521 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2019-11-07 00:18:48,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5785. [2019-11-07 00:18:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5785 states. [2019-11-07 00:18:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 7601 transitions. [2019-11-07 00:18:48,780 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 7601 transitions. Word has length 160 [2019-11-07 00:18:48,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:48,781 INFO L462 AbstractCegarLoop]: Abstraction has 5785 states and 7601 transitions. [2019-11-07 00:18:48,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 7601 transitions. [2019-11-07 00:18:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-07 00:18:48,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:48,785 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1] [2019-11-07 00:18:48,785 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:48,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:48,785 INFO L82 PathProgramCache]: Analyzing trace with hash -109586700, now seen corresponding path program 1 times [2019-11-07 00:18:48,786 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:48,786 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665176355] [2019-11-07 00:18:48,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-07 00:18:49,088 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665176355] [2019-11-07 00:18:49,088 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:49,089 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:49,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375682130] [2019-11-07 00:18:49,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:49,089 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:49,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:49,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:49,090 INFO L87 Difference]: Start difference. First operand 5785 states and 7601 transitions. Second operand 3 states. [2019-11-07 00:18:49,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:49,515 INFO L93 Difference]: Finished difference Result 17121 states and 22965 transitions. [2019-11-07 00:18:49,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:49,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-11-07 00:18:49,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:49,590 INFO L225 Difference]: With dead ends: 17121 [2019-11-07 00:18:49,590 INFO L226 Difference]: Without dead ends: 11355 [2019-11-07 00:18:49,620 INFO L630 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 [2019-11-07 00:18:49,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11355 states. [2019-11-07 00:18:50,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11355 to 11264. [2019-11-07 00:18:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11264 states. [2019-11-07 00:18:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11264 states to 11264 states and 15061 transitions. [2019-11-07 00:18:50,852 INFO L78 Accepts]: Start accepts. Automaton has 11264 states and 15061 transitions. Word has length 161 [2019-11-07 00:18:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:50,853 INFO L462 AbstractCegarLoop]: Abstraction has 11264 states and 15061 transitions. [2019-11-07 00:18:50,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11264 states and 15061 transitions. [2019-11-07 00:18:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-07 00:18:50,860 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:50,861 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:18:50,861 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:50,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1315920785, now seen corresponding path program 1 times [2019-11-07 00:18:50,863 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:50,863 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443316076] [2019-11-07 00:18:50,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-11-07 00:18:51,175 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443316076] [2019-11-07 00:18:51,175 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:51,175 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:18:51,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978533993] [2019-11-07 00:18:51,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:18:51,176 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:51,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:18:51,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:51,177 INFO L87 Difference]: Start difference. First operand 11264 states and 15061 transitions. Second operand 3 states. [2019-11-07 00:18:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:53,724 INFO L93 Difference]: Finished difference Result 22500 states and 30187 transitions. [2019-11-07 00:18:53,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:18:53,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-11-07 00:18:53,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:53,778 INFO L225 Difference]: With dead ends: 22500 [2019-11-07 00:18:53,778 INFO L226 Difference]: Without dead ends: 11274 [2019-11-07 00:18:53,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:18:53,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11274 states. [2019-11-07 00:18:54,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11274 to 11205. [2019-11-07 00:18:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11205 states. [2019-11-07 00:18:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11205 states to 11205 states and 14777 transitions. [2019-11-07 00:18:54,252 INFO L78 Accepts]: Start accepts. Automaton has 11205 states and 14777 transitions. Word has length 231 [2019-11-07 00:18:54,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:54,254 INFO L462 AbstractCegarLoop]: Abstraction has 11205 states and 14777 transitions. [2019-11-07 00:18:54,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:18:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 11205 states and 14777 transitions. [2019-11-07 00:18:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-07 00:18:54,262 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:54,263 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:18:54,263 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:54,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1723581292, now seen corresponding path program 1 times [2019-11-07 00:18:54,264 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:54,264 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687089596] [2019-11-07 00:18:54,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2019-11-07 00:18:54,872 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687089596] [2019-11-07 00:18:54,872 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:54,873 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:18:54,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719644642] [2019-11-07 00:18:54,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:18:54,874 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:54,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:18:54,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:18:54,874 INFO L87 Difference]: Start difference. First operand 11205 states and 14777 transitions. Second operand 7 states. [2019-11-07 00:18:55,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:55,154 INFO L93 Difference]: Finished difference Result 12151 states and 15894 transitions. [2019-11-07 00:18:55,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:18:55,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2019-11-07 00:18:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:18:55,194 INFO L225 Difference]: With dead ends: 12151 [2019-11-07 00:18:55,194 INFO L226 Difference]: Without dead ends: 10719 [2019-11-07 00:18:55,204 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:18:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10719 states. [2019-11-07 00:18:55,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10719 to 10719. [2019-11-07 00:18:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10719 states. [2019-11-07 00:18:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10719 states to 10719 states and 14061 transitions. [2019-11-07 00:18:55,586 INFO L78 Accepts]: Start accepts. Automaton has 10719 states and 14061 transitions. Word has length 241 [2019-11-07 00:18:55,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:18:55,587 INFO L462 AbstractCegarLoop]: Abstraction has 10719 states and 14061 transitions. [2019-11-07 00:18:55,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:18:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 10719 states and 14061 transitions. [2019-11-07 00:18:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-11-07 00:18:55,600 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:18:55,600 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:18:55,600 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:18:55,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:18:55,601 INFO L82 PathProgramCache]: Analyzing trace with hash 119519315, now seen corresponding path program 1 times [2019-11-07 00:18:55,601 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:18:55,601 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054583106] [2019-11-07 00:18:55,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:18:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:18:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-11-07 00:18:55,930 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054583106] [2019-11-07 00:18:55,930 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:18:55,930 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:18:55,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238106416] [2019-11-07 00:18:55,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:18:55,931 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:18:55,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:18:55,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:18:55,932 INFO L87 Difference]: Start difference. First operand 10719 states and 14061 transitions. Second operand 7 states. [2019-11-07 00:18:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:18:56,186 INFO L93 Difference]: Finished difference Result 11621 states and 15146 transitions. [2019-11-07 00:18:56,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:18:56,186 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2019-11-07 00:18:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted.