/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:40:27,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:40:27,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:40:27,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:40:27,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:40:27,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:40:27,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:40:27,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:40:27,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:40:27,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:40:27,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:40:27,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:40:27,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:40:27,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:40:27,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:40:27,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:40:27,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:40:27,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:40:27,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:40:27,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:40:27,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:40:27,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:40:27,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:40:27,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:40:27,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:40:27,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:40:27,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:40:27,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:40:27,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:40:27,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:40:27,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:40:27,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:40:27,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:40:27,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:40:27,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:40:27,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:40:27,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:40:27,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:40:27,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:40:27,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:40:27,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:40:27,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 03:40:27,729 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:40:27,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:40:27,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:40:27,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:40:27,737 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:40:27,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:40:27,737 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:40:27,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:40:27,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:40:27,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:40:27,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:40:27,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:40:27,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:40:27,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:40:27,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:40:27,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:40:27,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:40:27,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:40:27,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:40:27,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:40:27,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:40:27,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:40:27,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:40:27,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:40:27,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:40:27,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:40:27,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:40:27,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:40:27,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 03:40:28,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:40:28,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:40:28,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:40:28,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:40:28,135 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:40:28,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-11-07 03:40:28,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75fb01a9a/f90aac2af29e4c2cbb5ef7b33a5da91c/FLAGedbd7bff4 [2019-11-07 03:40:29,101 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:40:29,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-11-07 03:40:29,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75fb01a9a/f90aac2af29e4c2cbb5ef7b33a5da91c/FLAGedbd7bff4 [2019-11-07 03:40:29,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75fb01a9a/f90aac2af29e4c2cbb5ef7b33a5da91c [2019-11-07 03:40:29,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:40:29,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:40:29,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:40:29,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:40:29,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:40:29,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:40:29" (1/1) ... [2019-11-07 03:40:29,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31395022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:29, skipping insertion in model container [2019-11-07 03:40:29,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:40:29" (1/1) ... [2019-11-07 03:40:29,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:40:29,826 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:40:31,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:40:31,655 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:40:32,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:40:32,319 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:40:32,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32 WrapperNode [2019-11-07 03:40:32,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:40:32,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:40:32,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:40:32,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:40:32,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... [2019-11-07 03:40:32,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... [2019-11-07 03:40:32,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... [2019-11-07 03:40:32,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... [2019-11-07 03:40:32,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... [2019-11-07 03:40:32,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... [2019-11-07 03:40:32,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... [2019-11-07 03:40:32,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:40:32,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:40:32,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:40:32,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:40:32,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:40:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:40:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:40:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 03:40:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-11-07 03:40:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-11-07 03:40:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2019-11-07 03:40:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 03:40:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 03:40:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 03:40:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 03:40:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 03:40:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 03:40:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 03:40:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 03:40:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-07 03:40:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-07 03:40:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-07 03:40:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-07 03:40:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-07 03:40:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-11-07 03:40:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rc5_scan [2019-11-07 03:40:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-11-07 03:40:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2019-11-07 03:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_usb_i2c_msgxfer [2019-11-07 03:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2019-11-07 03:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_func [2019-11-07 03:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_set_voltage [2019-11-07 03:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_stv0299_set_symbol_rate [2019-11-07 03:40:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_frontend_attach [2019-11-07 03:40:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_tuner_attach [2019-11-07 03:40:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2019-11-07 03:40:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_streaming_ctrl [2019-11-07 03:40:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter [2019-11-07 03:40:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter_control [2019-11-07 03:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2019-11-07 03:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_read_mac_address [2019-11-07 03:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_load_firmware [2019-11-07 03:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_probe [2019-11-07 03:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_init [2019-11-07 03:40:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_exit [2019-11-07 03:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-11-07 03:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_4 [2019-11-07 03:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-11-07 03:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-11-07 03:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-11-07 03:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2019-11-07 03:40:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-11-07 03:40:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_16 [2019-11-07 03:40:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_17 [2019-11-07 03:40:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 03:40:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-11-07 03:40:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 03:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 03:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 03:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 03:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 03:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 03:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 03:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 03:40:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 03:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 03:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 03:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 03:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 03:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 03:40:32,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 03:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 03:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-07 03:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-07 03:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-07 03:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 03:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-07 03:40:32,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 03:40:32,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 03:40:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-11-07 03:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-11-07 03:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-11-07 03:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2019-11-07 03:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2019-11-07 03:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-11-07 03:40:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 03:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-11-07 03:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-11-07 03:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-07 03:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-07 03:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-07 03:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-07 03:40:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-07 03:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-11-07 03:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-11-07 03:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-11-07 03:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-11-07 03:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-11-07 03:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 03:40:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 03:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 03:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 03:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-07 03:40:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-11-07 03:40:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:40:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 03:40:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2019-11-07 03:40:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-07 03:40:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-07 03:40:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-11-07 03:40:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 03:40:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-07 03:40:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-11-07 03:40:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-07 03:40:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-11-07 03:40:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-07 03:40:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-11-07 03:40:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-07 03:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-11-07 03:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 03:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 03:40:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 03:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 03:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 03:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 03:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 03:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 03:40:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 03:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 03:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 03:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 03:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 03:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-07 03:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-11-07 03:40:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2019-11-07 03:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-07 03:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-11-07 03:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-11-07 03:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-11-07 03:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-11-07 03:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-11-07 03:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-07 03:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-07 03:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-07 03:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-07 03:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-07 03:40:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 03:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-07 03:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-07 03:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-11-07 03:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_4 [2019-11-07 03:40:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-11-07 03:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-07 03:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-07 03:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-11-07 03:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_16 [2019-11-07 03:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-11-07 03:40:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_17 [2019-11-07 03:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-11-07 03:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-07 03:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-11-07 03:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-11-07 03:40:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure rc5_scan [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2019-11-07 03:40:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-11-07 03:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 03:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2019-11-07 03:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-11-07 03:40:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-07 03:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_usb_i2c_msgxfer [2019-11-07 03:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2019-11-07 03:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_func [2019-11-07 03:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_set_voltage [2019-11-07 03:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:40:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_stv0299_set_symbol_rate [2019-11-07 03:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_frontend_attach [2019-11-07 03:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-11-07 03:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_tuner_attach [2019-11-07 03:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-11-07 03:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2019-11-07 03:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_streaming_ctrl [2019-11-07 03:40:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter [2019-11-07 03:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter_control [2019-11-07 03:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2019-11-07 03:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_read_mac_address [2019-11-07 03:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_load_firmware [2019-11-07 03:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_probe [2019-11-07 03:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_init [2019-11-07 03:40:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_exit [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-11-07 03:40:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 03:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 03:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 03:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 03:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-11-07 03:40:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-11-07 03:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-11-07 03:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-11-07 03:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-11-07 03:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-11-07 03:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-11-07 03:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-11-07 03:40:32,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-11-07 03:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-11-07 03:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-07 03:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-07 03:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-07 03:40:32,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-07 03:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-07 03:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-11-07 03:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-11-07 03:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-11-07 03:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-11-07 03:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-07 03:40:32,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-07 03:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-07 03:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-07 03:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-11-07 03:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-11-07 03:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-11-07 03:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-11-07 03:40:32,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-11-07 03:40:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 03:40:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:40:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:40:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 03:40:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:40:32,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 03:40:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-07 03:40:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:40:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-07 03:40:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-07 03:40:33,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 03:40:54,391 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:40:54,392 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:40:54,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:40:54 BoogieIcfgContainer [2019-11-07 03:40:54,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:40:54,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:40:54,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:40:54,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:40:54,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:40:29" (1/3) ... [2019-11-07 03:40:54,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f371f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:40:54, skipping insertion in model container [2019-11-07 03:40:54,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:32" (2/3) ... [2019-11-07 03:40:54,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f371f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:40:54, skipping insertion in model container [2019-11-07 03:40:54,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:40:54" (3/3) ... [2019-11-07 03:40:54,403 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-11-07 03:40:54,414 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:40:54,429 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:40:54,441 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:40:54,475 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:40:54,475 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:40:54,475 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:40:54,476 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:40:54,476 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:40:54,476 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:40:54,476 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:40:54,476 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:40:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states. [2019-11-07 03:40:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-07 03:40:54,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:40:54,530 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:40:54,533 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:40:54,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:40:54,538 INFO L82 PathProgramCache]: Analyzing trace with hash 978770070, now seen corresponding path program 1 times [2019-11-07 03:40:54,545 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:40:54,546 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887234186] [2019-11-07 03:40:54,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:40:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:40:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-07 03:40:55,515 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887234186] [2019-11-07 03:40:55,516 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:40:55,516 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:40:55,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957343089] [2019-11-07 03:40:55,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:40:55,523 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:40:55,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:40:55,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:55,540 INFO L87 Difference]: Start difference. First operand 642 states. Second operand 3 states. [2019-11-07 03:40:57,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:40:57,855 INFO L93 Difference]: Finished difference Result 1160 states and 1556 transitions. [2019-11-07 03:40:57,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:40:57,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-11-07 03:40:57,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:40:57,883 INFO L225 Difference]: With dead ends: 1160 [2019-11-07 03:40:57,884 INFO L226 Difference]: Without dead ends: 745 [2019-11-07 03:40:57,894 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:57,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-11-07 03:40:58,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 739. [2019-11-07 03:40:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-11-07 03:40:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 949 transitions. [2019-11-07 03:40:58,064 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 949 transitions. Word has length 114 [2019-11-07 03:40:58,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:40:58,065 INFO L462 AbstractCegarLoop]: Abstraction has 739 states and 949 transitions. [2019-11-07 03:40:58,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:40:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 949 transitions. [2019-11-07 03:40:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-07 03:40:58,073 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:40:58,074 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:40:58,074 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:40:58,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:40:58,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2144943419, now seen corresponding path program 1 times [2019-11-07 03:40:58,075 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:40:58,075 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070457465] [2019-11-07 03:40:58,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:40:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:40:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-07 03:40:58,431 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070457465] [2019-11-07 03:40:58,431 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:40:58,431 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:40:58,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555435012] [2019-11-07 03:40:58,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:40:58,434 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:40:58,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:40:58,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:58,435 INFO L87 Difference]: Start difference. First operand 739 states and 949 transitions. Second operand 3 states. [2019-11-07 03:40:58,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:40:58,590 INFO L93 Difference]: Finished difference Result 2117 states and 2715 transitions. [2019-11-07 03:40:58,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:40:58,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-11-07 03:40:58,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:40:58,616 INFO L225 Difference]: With dead ends: 2117 [2019-11-07 03:40:58,616 INFO L226 Difference]: Without dead ends: 1413 [2019-11-07 03:40:58,625 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:58,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2019-11-07 03:40:58,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1384. [2019-11-07 03:40:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2019-11-07 03:40:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1777 transitions. [2019-11-07 03:40:58,736 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1777 transitions. Word has length 119 [2019-11-07 03:40:58,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:40:58,737 INFO L462 AbstractCegarLoop]: Abstraction has 1384 states and 1777 transitions. [2019-11-07 03:40:58,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:40:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1777 transitions. [2019-11-07 03:40:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-07 03:40:58,740 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:40:58,740 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:40:58,741 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:40:58,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:40:58,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1666159257, now seen corresponding path program 1 times [2019-11-07 03:40:58,741 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:40:58,742 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445319884] [2019-11-07 03:40:58,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:40:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:40:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-07 03:40:59,000 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445319884] [2019-11-07 03:40:59,000 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:40:59,000 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:40:59,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337206923] [2019-11-07 03:40:59,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:40:59,001 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:40:59,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:40:59,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:59,002 INFO L87 Difference]: Start difference. First operand 1384 states and 1777 transitions. Second operand 3 states. [2019-11-07 03:40:59,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:40:59,168 INFO L93 Difference]: Finished difference Result 3808 states and 4907 transitions. [2019-11-07 03:40:59,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:40:59,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-11-07 03:40:59,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:40:59,186 INFO L225 Difference]: With dead ends: 3808 [2019-11-07 03:40:59,186 INFO L226 Difference]: Without dead ends: 2459 [2019-11-07 03:40:59,193 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:59,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2019-11-07 03:40:59,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2419. [2019-11-07 03:40:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2419 states. [2019-11-07 03:40:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3128 transitions. [2019-11-07 03:40:59,298 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3128 transitions. Word has length 129 [2019-11-07 03:40:59,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:40:59,299 INFO L462 AbstractCegarLoop]: Abstraction has 2419 states and 3128 transitions. [2019-11-07 03:40:59,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:40:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3128 transitions. [2019-11-07 03:40:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-07 03:40:59,301 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:40:59,301 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:40:59,302 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:40:59,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:40:59,302 INFO L82 PathProgramCache]: Analyzing trace with hash -992113304, now seen corresponding path program 1 times [2019-11-07 03:40:59,303 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:40:59,303 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278806590] [2019-11-07 03:40:59,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:40:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:40:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-07 03:40:59,646 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278806590] [2019-11-07 03:40:59,646 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:40:59,646 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:40:59,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355232283] [2019-11-07 03:40:59,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:40:59,647 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:40:59,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:40:59,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:59,648 INFO L87 Difference]: Start difference. First operand 2419 states and 3128 transitions. Second operand 3 states. [2019-11-07 03:40:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:40:59,799 INFO L93 Difference]: Finished difference Result 4476 states and 5880 transitions. [2019-11-07 03:40:59,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:40:59,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-11-07 03:40:59,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:40:59,843 INFO L225 Difference]: With dead ends: 4476 [2019-11-07 03:40:59,843 INFO L226 Difference]: Without dead ends: 4472 [2019-11-07 03:40:59,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:40:59,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2019-11-07 03:41:00,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4459. [2019-11-07 03:41:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4459 states. [2019-11-07 03:41:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4459 states and 5858 transitions. [2019-11-07 03:41:00,072 INFO L78 Accepts]: Start accepts. Automaton has 4459 states and 5858 transitions. Word has length 130 [2019-11-07 03:41:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:41:00,072 INFO L462 AbstractCegarLoop]: Abstraction has 4459 states and 5858 transitions. [2019-11-07 03:41:00,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:41:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 4459 states and 5858 transitions. [2019-11-07 03:41:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-07 03:41:00,076 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:41:00,077 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:41:00,077 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:41:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:41:00,077 INFO L82 PathProgramCache]: Analyzing trace with hash -691117844, now seen corresponding path program 1 times [2019-11-07 03:41:00,078 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:41:00,078 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815988256] [2019-11-07 03:41:00,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:41:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:41:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-07 03:41:00,474 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815988256] [2019-11-07 03:41:00,475 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:41:00,475 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:41:00,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599560202] [2019-11-07 03:41:00,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:41:00,479 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:41:00,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:41:00,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:00,479 INFO L87 Difference]: Start difference. First operand 4459 states and 5858 transitions. Second operand 3 states. [2019-11-07 03:41:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:41:00,690 INFO L93 Difference]: Finished difference Result 4461 states and 5859 transitions. [2019-11-07 03:41:00,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:41:00,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-11-07 03:41:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:41:00,717 INFO L225 Difference]: With dead ends: 4461 [2019-11-07 03:41:00,717 INFO L226 Difference]: Without dead ends: 4458 [2019-11-07 03:41:00,729 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:00,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2019-11-07 03:41:00,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4458. [2019-11-07 03:41:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4458 states. [2019-11-07 03:41:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4458 states to 4458 states and 5856 transitions. [2019-11-07 03:41:00,928 INFO L78 Accepts]: Start accepts. Automaton has 4458 states and 5856 transitions. Word has length 131 [2019-11-07 03:41:00,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:41:00,930 INFO L462 AbstractCegarLoop]: Abstraction has 4458 states and 5856 transitions. [2019-11-07 03:41:00,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:41:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4458 states and 5856 transitions. [2019-11-07 03:41:00,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-07 03:41:00,932 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:41:00,932 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:41:00,933 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:41:00,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:41:00,933 INFO L82 PathProgramCache]: Analyzing trace with hash 49811691, now seen corresponding path program 1 times [2019-11-07 03:41:00,934 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:41:00,934 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215304481] [2019-11-07 03:41:00,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:41:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:41:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-07 03:41:01,255 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215304481] [2019-11-07 03:41:01,255 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:41:01,255 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:41:01,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648499225] [2019-11-07 03:41:01,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:41:01,256 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:41:01,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:41:01,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:01,256 INFO L87 Difference]: Start difference. First operand 4458 states and 5856 transitions. Second operand 3 states. [2019-11-07 03:41:01,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:41:01,389 INFO L93 Difference]: Finished difference Result 4460 states and 5857 transitions. [2019-11-07 03:41:01,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:41:01,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-11-07 03:41:01,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:41:01,417 INFO L225 Difference]: With dead ends: 4460 [2019-11-07 03:41:01,417 INFO L226 Difference]: Without dead ends: 4457 [2019-11-07 03:41:01,421 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:01,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2019-11-07 03:41:01,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 4457. [2019-11-07 03:41:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4457 states. [2019-11-07 03:41:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 4457 states and 5854 transitions. [2019-11-07 03:41:01,659 INFO L78 Accepts]: Start accepts. Automaton has 4457 states and 5854 transitions. Word has length 132 [2019-11-07 03:41:01,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:41:01,661 INFO L462 AbstractCegarLoop]: Abstraction has 4457 states and 5854 transitions. [2019-11-07 03:41:01,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:41:01,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 5854 transitions. [2019-11-07 03:41:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-07 03:41:01,664 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:41:01,664 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:41:01,665 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:41:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:41:01,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1543795663, now seen corresponding path program 1 times [2019-11-07 03:41:01,665 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:41:01,666 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849123943] [2019-11-07 03:41:01,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:41:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:41:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-07 03:41:02,005 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849123943] [2019-11-07 03:41:02,005 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:41:02,005 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:41:02,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961745113] [2019-11-07 03:41:02,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:41:02,006 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:41:02,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:41:02,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:02,007 INFO L87 Difference]: Start difference. First operand 4457 states and 5854 transitions. Second operand 3 states. [2019-11-07 03:41:02,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:41:02,145 INFO L93 Difference]: Finished difference Result 4459 states and 5855 transitions. [2019-11-07 03:41:02,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:41:02,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-11-07 03:41:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:41:02,177 INFO L225 Difference]: With dead ends: 4459 [2019-11-07 03:41:02,177 INFO L226 Difference]: Without dead ends: 4456 [2019-11-07 03:41:02,181 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:02,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2019-11-07 03:41:02,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4456. [2019-11-07 03:41:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4456 states. [2019-11-07 03:41:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 5852 transitions. [2019-11-07 03:41:02,410 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 5852 transitions. Word has length 133 [2019-11-07 03:41:02,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:41:02,410 INFO L462 AbstractCegarLoop]: Abstraction has 4456 states and 5852 transitions. [2019-11-07 03:41:02,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:41:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 5852 transitions. [2019-11-07 03:41:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-07 03:41:02,413 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:41:02,413 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:41:02,413 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:41:02,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:41:02,413 INFO L82 PathProgramCache]: Analyzing trace with hash 612663406, now seen corresponding path program 1 times [2019-11-07 03:41:02,414 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:41:02,414 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071364292] [2019-11-07 03:41:02,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:41:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:41:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-07 03:41:02,695 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071364292] [2019-11-07 03:41:02,696 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:41:02,696 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 03:41:02,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016500445] [2019-11-07 03:41:02,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 03:41:02,699 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:41:02,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 03:41:02,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:02,700 INFO L87 Difference]: Start difference. First operand 4456 states and 5852 transitions. Second operand 3 states. [2019-11-07 03:41:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:41:03,192 INFO L93 Difference]: Finished difference Result 8734 states and 11681 transitions. [2019-11-07 03:41:03,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 03:41:03,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-11-07 03:41:03,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:41:03,245 INFO L225 Difference]: With dead ends: 8734 [2019-11-07 03:41:03,245 INFO L226 Difference]: Without dead ends: 8713 [2019-11-07 03:41:03,251 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 03:41:03,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8713 states. [2019-11-07 03:41:03,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8713 to 8697. [2019-11-07 03:41:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8697 states. [2019-11-07 03:41:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8697 states to 8697 states and 11630 transitions. [2019-11-07 03:41:03,668 INFO L78 Accepts]: Start accepts. Automaton has 8697 states and 11630 transitions. Word has length 134 [2019-11-07 03:41:03,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:41:03,669 INFO L462 AbstractCegarLoop]: Abstraction has 8697 states and 11630 transitions. [2019-11-07 03:41:03,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 03:41:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8697 states and 11630 transitions. [2019-11-07 03:41:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-07 03:41:03,676 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:41:03,676 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 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] [2019-11-07 03:41:03,676 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:41:03,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:41:03,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1777185809, now seen corresponding path program 1 times [2019-11-07 03:41:03,677 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:41:03,677 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61383826] [2019-11-07 03:41:03,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:41:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:41:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-11-07 03:41:04,215 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61383826] [2019-11-07 03:41:04,216 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:41:04,216 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 03:41:04,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244144062] [2019-11-07 03:41:04,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 03:41:04,217 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:41:04,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 03:41:04,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-07 03:41:04,218 INFO L87 Difference]: Start difference. First operand 8697 states and 11630 transitions. Second operand 8 states.