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-f4eb214f-m [2019-10-13 20:57:13,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:57:13,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:57:13,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:57:13,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:57:13,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:57:13,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:57:13,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:57:13,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:57:13,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:57:13,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:57:13,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:57:13,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:57:13,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:57:13,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:57:13,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:57:13,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:57:13,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:57:13,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:57:13,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:57:13,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:57:13,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:57:13,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:57:13,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:57:13,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:57:13,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:57:13,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:57:13,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:57:13,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:57:13,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:57:13,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:57:13,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:57:13,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:57:13,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:57:13,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:57:13,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:57:13,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:57:13,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:57:13,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:57:13,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:57:13,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:57:13,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:57:13,618 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:57:13,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:57:13,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:57:13,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:57:13,620 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:57:13,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:57:13,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:57:13,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:57:13,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:57:13,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:57:13,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:57:13,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:57:13,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:57:13,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:57:13,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:57:13,622 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:57:13,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:57:13,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:57:13,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:57:13,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:57:13,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:57:13,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:57:13,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:57:13,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:57:13,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:57:13,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:57:13,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:57:13,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:57:13,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:57:13,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:57:13,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:57:13,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:57:13,939 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:57:13,939 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:57:13,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-13 20:57:14,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9aeb562/36492de22558489f90daa8fc7376ff6d/FLAG8ba47e828 [2019-10-13 20:57:14,875 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:57:14,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-13 20:57:14,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9aeb562/36492de22558489f90daa8fc7376ff6d/FLAG8ba47e828 [2019-10-13 20:57:15,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a9aeb562/36492de22558489f90daa8fc7376ff6d [2019-10-13 20:57:15,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:57:15,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:57:15,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:57:15,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:57:15,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:57:15,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:57:15" (1/1) ... [2019-10-13 20:57:15,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21079aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:15, skipping insertion in model container [2019-10-13 20:57:15,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:57:15" (1/1) ... [2019-10-13 20:57:15,426 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:57:15,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:57:17,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:57:17,441 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:57:17,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:57:18,055 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:57:18,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18 WrapperNode [2019-10-13 20:57:18,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:57:18,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:57:18,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:57:18,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:57:18,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... [2019-10-13 20:57:18,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... [2019-10-13 20:57:18,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... [2019-10-13 20:57:18,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... [2019-10-13 20:57:18,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... [2019-10-13 20:57:18,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... [2019-10-13 20:57:18,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... [2019-10-13 20:57:18,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:57:18,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:57:18,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:57:18,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:57:18,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:57:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:57:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:57:18,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:57:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:57:18,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-13 20:57:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2019-10-13 20:57:18,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:57:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:57:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:57:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:57:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:57:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:57:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:57:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:57:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:57:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:57:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:57:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:57:18,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:57:18,407 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-13 20:57:18,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rc5_scan [2019-10-13 20:57:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-10-13 20:57:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2019-10-13 20:57:18,409 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_usb_i2c_msgxfer [2019-10-13 20:57:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2019-10-13 20:57:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_func [2019-10-13 20:57:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_set_voltage [2019-10-13 20:57:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_stv0299_set_symbol_rate [2019-10-13 20:57:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_frontend_attach [2019-10-13 20:57:18,410 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_tuner_attach [2019-10-13 20:57:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2019-10-13 20:57:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_streaming_ctrl [2019-10-13 20:57:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter [2019-10-13 20:57:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter_control [2019-10-13 20:57:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2019-10-13 20:57:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_read_mac_address [2019-10-13 20:57:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_load_firmware [2019-10-13 20:57:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_probe [2019-10-13 20:57:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_init [2019-10-13 20:57:18,412 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_exit [2019-10-13 20:57:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 20:57:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_4 [2019-10-13 20:57:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-10-13 20:57:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:57:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-13 20:57:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-13 20:57:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-13 20:57:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-13 20:57:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 20:57:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-13 20:57:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-13 20:57:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:57:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 20:57:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2019-10-13 20:57:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 20:57:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_16 [2019-10-13 20:57:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_17 [2019-10-13 20:57:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:57:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:57:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:57:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:57:18,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:57:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:57:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:57:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:57:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:57:18,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:57:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:57:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:57:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:57:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:57:18,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:57:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:57:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:57:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:57:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:57:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:57:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:57:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:57:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 20:57:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 20:57:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:57:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 20:57:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:57:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:57:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:57:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:57:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:57:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:57:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:57:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:57:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:57:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:57:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:57:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:57:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-13 20:57:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-13 20:57:18,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-13 20:57:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2019-10-13 20:57:18,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2019-10-13 20:57:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-13 20:57:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:57:18,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-10-13 20:57:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-13 20:57:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:57:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 20:57:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:57:18,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:57:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:57:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 20:57:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 20:57:18,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 20:57:18,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:57:18,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:57:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:57:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:57:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:57:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:57:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:57:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-13 20:57:18,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:57:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 20:57:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2019-10-13 20:57:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:57:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:57:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-13 20:57:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:57:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:57:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-13 20:57:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:57:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-13 20:57:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 20:57:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-13 20:57:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 20:57:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:57:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:57:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:57:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:57:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:57:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:57:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:57:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:57:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-13 20:57:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:57:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:57:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:57:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:57:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:57:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:57:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:57:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 20:57:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_4 [2019-10-13 20:57:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-10-13 20:57:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:57:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:57:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:57:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_16 [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_17 [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 20:57:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure rc5_scan [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2019-10-13 20:57:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2019-10-13 20:57:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-10-13 20:57:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:57:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:57:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:57:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:57:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2019-10-13 20:57:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-13 20:57:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:57:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_usb_i2c_msgxfer [2019-10-13 20:57:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2019-10-13 20:57:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_func [2019-10-13 20:57:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_set_voltage [2019-10-13 20:57:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:57:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_stv0299_set_symbol_rate [2019-10-13 20:57:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_frontend_attach [2019-10-13 20:57:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:57:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_tuner_attach [2019-10-13 20:57:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-13 20:57:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2019-10-13 20:57:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_streaming_ctrl [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter_control [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_read_mac_address [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_load_firmware [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_probe [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_init [2019-10-13 20:57:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_exit [2019-10-13 20:57:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:57:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-13 20:57:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:57:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-10-13 20:57:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:57:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:57:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 20:57:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:57:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:57:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:57:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:57:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:57:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:57:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:57:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:57:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:57:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:57:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:57:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:57:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:57:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 20:57:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 20:57:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:57:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 20:57:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:57:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:57:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:57:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:57:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:57:19,483 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:57:32,491 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:57:32,492 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:57:32,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:57:32 BoogieIcfgContainer [2019-10-13 20:57:32,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:57:32,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:57:32,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:57:32,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:57:32,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:57:15" (1/3) ... [2019-10-13 20:57:32,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a001d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:57:32, skipping insertion in model container [2019-10-13 20:57:32,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:18" (2/3) ... [2019-10-13 20:57:32,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a001d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:57:32, skipping insertion in model container [2019-10-13 20:57:32,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:57:32" (3/3) ... [2019-10-13 20:57:32,503 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-13 20:57:32,514 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:57:32,532 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:57:32,544 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:57:32,585 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:57:32,585 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:57:32,585 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:57:32,585 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:57:32,585 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:57:32,586 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:57:32,586 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:57:32,586 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:57:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2019-10-13 20:57:32,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-13 20:57:32,661 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:32,663 INFO L380 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] [2019-10-13 20:57:32,666 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:32,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:32,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1603246946, now seen corresponding path program 1 times [2019-10-13 20:57:32,681 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:32,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287435797] [2019-10-13 20:57:32,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:32,682 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:32,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-10-13 20:57:33,663 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287435797] [2019-10-13 20:57:33,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:33,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:33,665 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512413282] [2019-10-13 20:57:33,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:33,672 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:33,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:33,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:33,691 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 3 states. [2019-10-13 20:57:36,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:36,041 INFO L93 Difference]: Finished difference Result 1404 states and 1907 transitions. [2019-10-13 20:57:36,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:36,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-13 20:57:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:36,086 INFO L225 Difference]: With dead ends: 1404 [2019-10-13 20:57:36,086 INFO L226 Difference]: Without dead ends: 904 [2019-10-13 20:57:36,100 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:36,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2019-10-13 20:57:36,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 898. [2019-10-13 20:57:36,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2019-10-13 20:57:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1156 transitions. [2019-10-13 20:57:36,310 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1156 transitions. Word has length 137 [2019-10-13 20:57:36,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:36,311 INFO L462 AbstractCegarLoop]: Abstraction has 898 states and 1156 transitions. [2019-10-13 20:57:36,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1156 transitions. [2019-10-13 20:57:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-13 20:57:36,316 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:36,316 INFO L380 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] [2019-10-13 20:57:36,316 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:36,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:36,317 INFO L82 PathProgramCache]: Analyzing trace with hash 694111836, now seen corresponding path program 1 times [2019-10-13 20:57:36,317 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:36,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608142587] [2019-10-13 20:57:36,317 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:36,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:36,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-10-13 20:57:36,719 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608142587] [2019-10-13 20:57:36,720 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:36,720 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:36,720 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013439530] [2019-10-13 20:57:36,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:36,723 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:36,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:36,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:36,724 INFO L87 Difference]: Start difference. First operand 898 states and 1156 transitions. Second operand 3 states. [2019-10-13 20:57:36,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:36,913 INFO L93 Difference]: Finished difference Result 2585 states and 3327 transitions. [2019-10-13 20:57:36,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:36,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-10-13 20:57:36,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:36,930 INFO L225 Difference]: With dead ends: 2585 [2019-10-13 20:57:36,931 INFO L226 Difference]: Without dead ends: 1725 [2019-10-13 20:57:36,935 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:36,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-10-13 20:57:37,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1694. [2019-10-13 20:57:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-10-13 20:57:37,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2183 transitions. [2019-10-13 20:57:37,047 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2183 transitions. Word has length 143 [2019-10-13 20:57:37,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:37,050 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 2183 transitions. [2019-10-13 20:57:37,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2183 transitions. [2019-10-13 20:57:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-13 20:57:37,054 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:37,054 INFO L380 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] [2019-10-13 20:57:37,054 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:37,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:37,055 INFO L82 PathProgramCache]: Analyzing trace with hash 740142846, now seen corresponding path program 1 times [2019-10-13 20:57:37,055 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:37,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932133313] [2019-10-13 20:57:37,055 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:37,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:37,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2019-10-13 20:57:37,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932133313] [2019-10-13 20:57:37,430 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:37,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:37,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443615427] [2019-10-13 20:57:37,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:37,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:37,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:37,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:37,433 INFO L87 Difference]: Start difference. First operand 1694 states and 2183 transitions. Second operand 3 states. [2019-10-13 20:57:37,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:37,625 INFO L93 Difference]: Finished difference Result 4671 states and 6040 transitions. [2019-10-13 20:57:37,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:37,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-13 20:57:37,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:37,659 INFO L225 Difference]: With dead ends: 4671 [2019-10-13 20:57:37,659 INFO L226 Difference]: Without dead ends: 3015 [2019-10-13 20:57:37,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:37,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2019-10-13 20:57:37,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 2970. [2019-10-13 20:57:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2019-10-13 20:57:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3853 transitions. [2019-10-13 20:57:37,834 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3853 transitions. Word has length 153 [2019-10-13 20:57:37,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:37,835 INFO L462 AbstractCegarLoop]: Abstraction has 2970 states and 3853 transitions. [2019-10-13 20:57:37,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3853 transitions. [2019-10-13 20:57:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 20:57:37,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:37,841 INFO L380 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] [2019-10-13 20:57:37,841 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:37,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:37,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1599936238, now seen corresponding path program 1 times [2019-10-13 20:57:37,842 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:37,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628669348] [2019-10-13 20:57:37,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:37,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:37,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-10-13 20:57:38,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628669348] [2019-10-13 20:57:38,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:38,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:38,263 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620351528] [2019-10-13 20:57:38,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:38,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:38,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:38,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:38,265 INFO L87 Difference]: Start difference. First operand 2970 states and 3853 transitions. Second operand 3 states. [2019-10-13 20:57:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:38,498 INFO L93 Difference]: Finished difference Result 8764 states and 11552 transitions. [2019-10-13 20:57:38,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:38,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-13 20:57:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:38,556 INFO L225 Difference]: With dead ends: 8764 [2019-10-13 20:57:38,556 INFO L226 Difference]: Without dead ends: 5832 [2019-10-13 20:57:38,573 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2019-10-13 20:57:38,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5788. [2019-10-13 20:57:38,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5788 states. [2019-10-13 20:57:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 7607 transitions. [2019-10-13 20:57:38,862 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 7607 transitions. Word has length 157 [2019-10-13 20:57:38,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:38,863 INFO L462 AbstractCegarLoop]: Abstraction has 5788 states and 7607 transitions. [2019-10-13 20:57:38,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 7607 transitions. [2019-10-13 20:57:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 20:57:38,866 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:38,866 INFO L380 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] [2019-10-13 20:57:38,866 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:38,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:38,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1941960666, now seen corresponding path program 1 times [2019-10-13 20:57:38,867 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:38,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089275298] [2019-10-13 20:57:38,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:38,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:38,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-10-13 20:57:39,198 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089275298] [2019-10-13 20:57:39,198 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:39,199 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:39,199 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446604310] [2019-10-13 20:57:39,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:39,200 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:39,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:39,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:39,200 INFO L87 Difference]: Start difference. First operand 5788 states and 7607 transitions. Second operand 3 states. [2019-10-13 20:57:39,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:39,338 INFO L93 Difference]: Finished difference Result 5790 states and 7608 transitions. [2019-10-13 20:57:39,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:39,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-13 20:57:39,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:39,375 INFO L225 Difference]: With dead ends: 5790 [2019-10-13 20:57:39,376 INFO L226 Difference]: Without dead ends: 5787 [2019-10-13 20:57:39,380 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:39,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2019-10-13 20:57:39,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5787. [2019-10-13 20:57:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5787 states. [2019-10-13 20:57:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5787 states to 5787 states and 7605 transitions. [2019-10-13 20:57:39,625 INFO L78 Accepts]: Start accepts. Automaton has 5787 states and 7605 transitions. Word has length 158 [2019-10-13 20:57:39,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:39,626 INFO L462 AbstractCegarLoop]: Abstraction has 5787 states and 7605 transitions. [2019-10-13 20:57:39,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5787 states and 7605 transitions. [2019-10-13 20:57:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 20:57:39,629 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:39,629 INFO L380 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] [2019-10-13 20:57:39,629 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:39,630 INFO L82 PathProgramCache]: Analyzing trace with hash -71610127, now seen corresponding path program 1 times [2019-10-13 20:57:39,630 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:39,630 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858583632] [2019-10-13 20:57:39,630 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:39,630 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:39,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-10-13 20:57:40,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858583632] [2019-10-13 20:57:40,104 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:40,104 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:40,104 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343701268] [2019-10-13 20:57:40,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:40,105 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:40,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:40,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:40,106 INFO L87 Difference]: Start difference. First operand 5787 states and 7605 transitions. Second operand 3 states. [2019-10-13 20:57:40,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:40,265 INFO L93 Difference]: Finished difference Result 5789 states and 7606 transitions. [2019-10-13 20:57:40,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:40,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-13 20:57:40,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:40,307 INFO L225 Difference]: With dead ends: 5789 [2019-10-13 20:57:40,308 INFO L226 Difference]: Without dead ends: 5786 [2019-10-13 20:57:40,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5786 states. [2019-10-13 20:57:40,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5786 to 5786. [2019-10-13 20:57:40,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5786 states. [2019-10-13 20:57:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 7603 transitions. [2019-10-13 20:57:40,606 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 7603 transitions. Word has length 159 [2019-10-13 20:57:40,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:40,606 INFO L462 AbstractCegarLoop]: Abstraction has 5786 states and 7603 transitions. [2019-10-13 20:57:40,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 7603 transitions. [2019-10-13 20:57:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-13 20:57:40,609 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:40,610 INFO L380 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] [2019-10-13 20:57:40,610 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:40,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:40,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2074686601, now seen corresponding path program 1 times [2019-10-13 20:57:40,611 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:40,611 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899907818] [2019-10-13 20:57:40,611 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:40,611 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:40,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-10-13 20:57:40,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899907818] [2019-10-13 20:57:40,961 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:40,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:40,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122326332] [2019-10-13 20:57:40,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:40,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:40,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:40,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:40,962 INFO L87 Difference]: Start difference. First operand 5786 states and 7603 transitions. Second operand 3 states. [2019-10-13 20:57:41,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:41,129 INFO L93 Difference]: Finished difference Result 5788 states and 7604 transitions. [2019-10-13 20:57:41,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:41,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-13 20:57:41,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:41,179 INFO L225 Difference]: With dead ends: 5788 [2019-10-13 20:57:41,180 INFO L226 Difference]: Without dead ends: 5785 [2019-10-13 20:57:41,186 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:41,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2019-10-13 20:57:41,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5785. [2019-10-13 20:57:41,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5785 states. [2019-10-13 20:57:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 7601 transitions. [2019-10-13 20:57:41,483 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 7601 transitions. Word has length 160 [2019-10-13 20:57:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:41,484 INFO L462 AbstractCegarLoop]: Abstraction has 5785 states and 7601 transitions. [2019-10-13 20:57:41,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 7601 transitions. [2019-10-13 20:57:41,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-13 20:57:41,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:41,487 INFO L380 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] [2019-10-13 20:57:41,487 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:41,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:41,487 INFO L82 PathProgramCache]: Analyzing trace with hash -109586700, now seen corresponding path program 1 times [2019-10-13 20:57:41,488 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:41,488 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332704019] [2019-10-13 20:57:41,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:41,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:41,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-10-13 20:57:41,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332704019] [2019-10-13 20:57:41,802 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:41,802 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:41,803 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401106170] [2019-10-13 20:57:41,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:41,803 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:41,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:41,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:41,804 INFO L87 Difference]: Start difference. First operand 5785 states and 7601 transitions. Second operand 3 states. [2019-10-13 20:57:42,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:42,227 INFO L93 Difference]: Finished difference Result 17121 states and 22965 transitions. [2019-10-13 20:57:42,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:42,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-13 20:57:42,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:42,327 INFO L225 Difference]: With dead ends: 17121 [2019-10-13 20:57:42,328 INFO L226 Difference]: Without dead ends: 11355 [2019-10-13 20:57:42,372 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:42,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11355 states. [2019-10-13 20:57:43,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11355 to 11264. [2019-10-13 20:57:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11264 states. [2019-10-13 20:57:43,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11264 states to 11264 states and 15061 transitions. [2019-10-13 20:57:43,980 INFO L78 Accepts]: Start accepts. Automaton has 11264 states and 15061 transitions. Word has length 161 [2019-10-13 20:57:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:43,980 INFO L462 AbstractCegarLoop]: Abstraction has 11264 states and 15061 transitions. [2019-10-13 20:57:43,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 11264 states and 15061 transitions. [2019-10-13 20:57:43,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-13 20:57:43,991 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:43,992 INFO L380 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] [2019-10-13 20:57:43,992 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:43,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:43,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1315920785, now seen corresponding path program 1 times [2019-10-13 20:57:43,993 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:43,993 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502580223] [2019-10-13 20:57:43,993 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:43,993 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:43,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-10-13 20:57:44,322 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502580223] [2019-10-13 20:57:44,322 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:44,322 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:44,322 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477707365] [2019-10-13 20:57:44,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:44,323 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:44,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:44,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:44,324 INFO L87 Difference]: Start difference. First operand 11264 states and 15061 transitions. Second operand 3 states. [2019-10-13 20:57:46,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:46,868 INFO L93 Difference]: Finished difference Result 22500 states and 30187 transitions. [2019-10-13 20:57:46,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:46,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-10-13 20:57:46,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:46,949 INFO L225 Difference]: With dead ends: 22500 [2019-10-13 20:57:46,949 INFO L226 Difference]: Without dead ends: 11274 [2019-10-13 20:57:47,002 INFO L600 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 [2019-10-13 20:57:47,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11274 states. [2019-10-13 20:57:47,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11274 to 11205. [2019-10-13 20:57:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11205 states. [2019-10-13 20:57:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11205 states to 11205 states and 14777 transitions. [2019-10-13 20:57:47,514 INFO L78 Accepts]: Start accepts. Automaton has 11205 states and 14777 transitions. Word has length 231 [2019-10-13 20:57:47,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:47,519 INFO L462 AbstractCegarLoop]: Abstraction has 11205 states and 14777 transitions. [2019-10-13 20:57:47,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 11205 states and 14777 transitions. [2019-10-13 20:57:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-13 20:57:47,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:47,529 INFO L380 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] [2019-10-13 20:57:47,529 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:47,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:47,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1826454962, now seen corresponding path program 1 times [2019-10-13 20:57:47,530 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:47,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090994410] [2019-10-13 20:57:47,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:47,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:47,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-10-13 20:57:48,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090994410] [2019-10-13 20:57:48,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:48,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:57:48,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296216659] [2019-10-13 20:57:48,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:57:48,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:48,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:57:48,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:57:48,041 INFO L87 Difference]: Start difference. First operand 11205 states and 14777 transitions. Second operand 7 states. [2019-10-13 20:57:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:48,341 INFO L93 Difference]: Finished difference Result 12151 states and 15894 transitions. [2019-10-13 20:57:48,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:57:48,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2019-10-13 20:57:48,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:48,390 INFO L225 Difference]: With dead ends: 12151 [2019-10-13 20:57:48,390 INFO L226 Difference]: Without dead ends: 10719 [2019-10-13 20:57:48,541 INFO L600 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 [2019-10-13 20:57:48,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10719 states.