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 0.1.24-13a467a-m [2019-10-15 02:50:45,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:50:45,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:50:45,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:50:45,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:50:45,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:50:45,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:50:45,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:50:45,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:50:45,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:50:45,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:50:45,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:50:45,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:50:45,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:50:45,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:50:45,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:50:45,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:50:45,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:50:45,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:50:45,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:50:45,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:50:45,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:50:45,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:50:45,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:50:45,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:50:45,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:50:45,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:50:45,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:50:45,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:50:45,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:50:45,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:50:45,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:50:45,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:50:45,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:50:45,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:50:45,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:50:45,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:50:45,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:50:45,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:50:45,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:50:45,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:50:45,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:50:45,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:50:45,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:50:45,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:50:45,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:50:45,515 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:50:45,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:50:45,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:50:45,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:50:45,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:50:45,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:50:45,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:50:45,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:50:45,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:50:45,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:50:45,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:50:45,517 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:50:45,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:50:45,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:50:45,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:50:45,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:50:45,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:50:45,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:50:45,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:50:45,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:50:45,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:50:45,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:50:45,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:50:45,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:50:45,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:50:45,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:50:45,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:50:45,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:50:45,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:50:45,818 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:50:45,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-15 02:50:45,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3ba61cb/885093ab1d4e4e2f8cffbd486d15ea72/FLAGe127f6ade [2019-10-15 02:50:46,756 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:50:46,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-15 02:50:46,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3ba61cb/885093ab1d4e4e2f8cffbd486d15ea72/FLAGe127f6ade [2019-10-15 02:50:47,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3ba61cb/885093ab1d4e4e2f8cffbd486d15ea72 [2019-10-15 02:50:47,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:50:47,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:50:47,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:50:47,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:50:47,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:50:47,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:50:47" (1/1) ... [2019-10-15 02:50:47,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19edf790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:47, skipping insertion in model container [2019-10-15 02:50:47,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:50:47" (1/1) ... [2019-10-15 02:50:47,259 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:50:47,431 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:50:49,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:50:49,214 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:50:49,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:50:49,910 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:50:49,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49 WrapperNode [2019-10-15 02:50:49,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:50:49,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:50:49,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:50:49,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:50:49,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... [2019-10-15 02:50:49,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... [2019-10-15 02:50:50,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... [2019-10-15 02:50:50,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... [2019-10-15 02:50:50,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... [2019-10-15 02:50:50,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... [2019-10-15 02:50:50,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... [2019-10-15 02:50:50,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:50:50,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:50:50,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:50:50,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:50:50,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:50:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:50:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:50:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 02:50:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-15 02:50:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-15 02:50:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2019-10-15 02:50:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:50:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:50:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:50:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:50:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:50:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:50:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:50:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:50:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:50:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:50:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:50:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-15 02:50:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 02:50:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-15 02:50:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rc5_scan [2019-10-15 02:50:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-10-15 02:50:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2019-10-15 02:50:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_usb_i2c_msgxfer [2019-10-15 02:50:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2019-10-15 02:50:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_func [2019-10-15 02:50:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_set_voltage [2019-10-15 02:50:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_stv0299_set_symbol_rate [2019-10-15 02:50:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_frontend_attach [2019-10-15 02:50:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_tuner_attach [2019-10-15 02:50:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2019-10-15 02:50:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_streaming_ctrl [2019-10-15 02:50:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter [2019-10-15 02:50:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter_control [2019-10-15 02:50:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2019-10-15 02:50:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_read_mac_address [2019-10-15 02:50:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_load_firmware [2019-10-15 02:50:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_probe [2019-10-15 02:50:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_init [2019-10-15 02:50:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_exit [2019-10-15 02:50:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-15 02:50:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_4 [2019-10-15 02:50:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-10-15 02:50:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:50:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-15 02:50:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-15 02:50:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-15 02:50:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-15 02:50:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 02:50:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-15 02:50:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-15 02:50:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-15 02:50:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-15 02:50:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2019-10-15 02:50:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-15 02:50:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_16 [2019-10-15 02:50:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_17 [2019-10-15 02:50:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:50:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-15 02:50:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:50:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:50:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:50:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:50:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 02:50:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 02:50:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 02:50:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 02:50:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 02:50:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 02:50:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 02:50:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 02:50:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 02:50:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:50:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:50:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:50:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:50:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:50:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:50:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:50:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-15 02:50:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-15 02:50:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:50:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-15 02:50:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:50:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:50:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:50:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:50:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:50:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:50:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:50:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:50:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:50:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:50:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:50:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:50:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-15 02:50:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-15 02:50:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-15 02:50:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2019-10-15 02:50:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2019-10-15 02:50:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-15 02:50:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:50:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-10-15 02:50:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-15 02:50:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:50:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 02:50:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:50:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:50:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:50:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-15 02:50:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-15 02:50:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-15 02:50:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-15 02:50:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-15 02:50:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:50:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:50:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:50:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:50:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:50:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-15 02:50:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:50:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 02:50:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2019-10-15 02:50:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:50:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:50:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-15 02:50:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:50:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:50:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-15 02:50:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:50:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-15 02:50:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 02:50:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-15 02:50:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:50:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:50:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:50:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:50:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:50:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:50:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:50:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:50:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:50:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-15 02:50:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-15 02:50:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-15 02:50:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-15 02:50:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:50:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:50:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:50:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:50:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_4 [2019-10-15 02:50:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-10-15 02:50:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:50:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:50:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-15 02:50:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-15 02:50:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_16 [2019-10-15 02:50:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-15 02:50:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_17 [2019-10-15 02:50:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-15 02:50:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 02:50:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:50:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure rc5_scan [2019-10-15 02:50:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2019-10-15 02:50:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-15 02:50:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:50:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_usb_i2c_msgxfer [2019-10-15 02:50:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2019-10-15 02:50:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_func [2019-10-15 02:50:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_set_voltage [2019-10-15 02:50:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:50:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_stv0299_set_symbol_rate [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_frontend_attach [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_tuner_attach [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_streaming_ctrl [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter [2019-10-15 02:50:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter_control [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_read_mac_address [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_load_firmware [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_probe [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_init [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_exit [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:50:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:50:50,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:50:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:50:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-10-15 02:50:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-15 02:50:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-15 02:50:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-15 02:50:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-15 02:50:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-15 02:50:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-15 02:50:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-15 02:50:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-15 02:50:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-15 02:50:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:50:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:50:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:50:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:50:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:50:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:50:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:50:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:50:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:50:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:50:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:50:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:50:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:50:51,364 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:51:11,479 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:51:11,480 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:51:11,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:11 BoogieIcfgContainer [2019-10-15 02:51:11,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:51:11,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:51:11,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:51:11,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:51:11,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:50:47" (1/3) ... [2019-10-15 02:51:11,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9197ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:11, skipping insertion in model container [2019-10-15 02:51:11,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:50:49" (2/3) ... [2019-10-15 02:51:11,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9197ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:51:11, skipping insertion in model container [2019-10-15 02:51:11,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:51:11" (3/3) ... [2019-10-15 02:51:11,490 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-15 02:51:11,499 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:51:11,509 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:51:11,517 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:51:11,548 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:51:11,548 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:51:11,548 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:51:11,548 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:51:11,548 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:51:11,549 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:51:11,549 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:51:11,549 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:51:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states. [2019-10-15 02:51:11,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-15 02:51:11,608 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:11,609 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:11,612 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:11,617 INFO L82 PathProgramCache]: Analyzing trace with hash 978770070, now seen corresponding path program 1 times [2019-10-15 02:51:11,623 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:11,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391823576] [2019-10-15 02:51:11,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:11,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:11,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 02:51:12,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391823576] [2019-10-15 02:51:12,477 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:12,477 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:12,477 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741676452] [2019-10-15 02:51:12,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:12,483 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:12,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:12,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:12,500 INFO L87 Difference]: Start difference. First operand 642 states. Second operand 3 states. [2019-10-15 02:51:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:14,801 INFO L93 Difference]: Finished difference Result 1160 states and 1556 transitions. [2019-10-15 02:51:14,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:14,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-10-15 02:51:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:14,839 INFO L225 Difference]: With dead ends: 1160 [2019-10-15 02:51:14,839 INFO L226 Difference]: Without dead ends: 745 [2019-10-15 02:51:14,847 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:14,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-10-15 02:51:15,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 739. [2019-10-15 02:51:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-10-15 02:51:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 949 transitions. [2019-10-15 02:51:15,041 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 949 transitions. Word has length 114 [2019-10-15 02:51:15,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:15,042 INFO L462 AbstractCegarLoop]: Abstraction has 739 states and 949 transitions. [2019-10-15 02:51:15,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 949 transitions. [2019-10-15 02:51:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-15 02:51:15,047 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:15,047 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:15,047 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:15,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:15,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2144943419, now seen corresponding path program 1 times [2019-10-15 02:51:15,048 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:15,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791759198] [2019-10-15 02:51:15,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:15,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:15,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 02:51:15,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791759198] [2019-10-15 02:51:15,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:15,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:15,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463516228] [2019-10-15 02:51:15,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:15,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:15,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:15,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:15,394 INFO L87 Difference]: Start difference. First operand 739 states and 949 transitions. Second operand 3 states. [2019-10-15 02:51:15,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:15,545 INFO L93 Difference]: Finished difference Result 2117 states and 2715 transitions. [2019-10-15 02:51:15,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:15,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-15 02:51:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:15,557 INFO L225 Difference]: With dead ends: 2117 [2019-10-15 02:51:15,558 INFO L226 Difference]: Without dead ends: 1413 [2019-10-15 02:51:15,562 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2019-10-15 02:51:15,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1384. [2019-10-15 02:51:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2019-10-15 02:51:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1777 transitions. [2019-10-15 02:51:15,672 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1777 transitions. Word has length 119 [2019-10-15 02:51:15,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:15,673 INFO L462 AbstractCegarLoop]: Abstraction has 1384 states and 1777 transitions. [2019-10-15 02:51:15,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1777 transitions. [2019-10-15 02:51:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-15 02:51:15,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:15,682 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:15,682 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:15,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1666159257, now seen corresponding path program 1 times [2019-10-15 02:51:15,683 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:15,683 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386670678] [2019-10-15 02:51:15,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:15,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:15,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-15 02:51:16,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386670678] [2019-10-15 02:51:16,023 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:16,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:16,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283481412] [2019-10-15 02:51:16,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:16,026 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:16,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:16,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:16,027 INFO L87 Difference]: Start difference. First operand 1384 states and 1777 transitions. Second operand 3 states. [2019-10-15 02:51:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:16,204 INFO L93 Difference]: Finished difference Result 3808 states and 4907 transitions. [2019-10-15 02:51:16,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:16,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-10-15 02:51:16,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:16,229 INFO L225 Difference]: With dead ends: 3808 [2019-10-15 02:51:16,229 INFO L226 Difference]: Without dead ends: 2459 [2019-10-15 02:51:16,237 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:16,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2019-10-15 02:51:16,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2419. [2019-10-15 02:51:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2419 states. [2019-10-15 02:51:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3128 transitions. [2019-10-15 02:51:16,366 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3128 transitions. Word has length 129 [2019-10-15 02:51:16,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:16,368 INFO L462 AbstractCegarLoop]: Abstraction has 2419 states and 3128 transitions. [2019-10-15 02:51:16,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3128 transitions. [2019-10-15 02:51:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-15 02:51:16,372 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:16,372 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:16,373 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:16,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:16,373 INFO L82 PathProgramCache]: Analyzing trace with hash -992113304, now seen corresponding path program 1 times [2019-10-15 02:51:16,373 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:16,373 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066510482] [2019-10-15 02:51:16,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:16,374 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:16,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-15 02:51:16,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066510482] [2019-10-15 02:51:16,730 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:16,730 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:16,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740483453] [2019-10-15 02:51:16,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:16,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:16,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:16,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:16,733 INFO L87 Difference]: Start difference. First operand 2419 states and 3128 transitions. Second operand 3 states. [2019-10-15 02:51:16,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:16,888 INFO L93 Difference]: Finished difference Result 4476 states and 5880 transitions. [2019-10-15 02:51:16,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:16,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-10-15 02:51:16,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:16,927 INFO L225 Difference]: With dead ends: 4476 [2019-10-15 02:51:16,927 INFO L226 Difference]: Without dead ends: 4472 [2019-10-15 02:51:16,932 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:16,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2019-10-15 02:51:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4459. [2019-10-15 02:51:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4459 states. [2019-10-15 02:51:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4459 states and 5858 transitions. [2019-10-15 02:51:17,172 INFO L78 Accepts]: Start accepts. Automaton has 4459 states and 5858 transitions. Word has length 130 [2019-10-15 02:51:17,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:17,173 INFO L462 AbstractCegarLoop]: Abstraction has 4459 states and 5858 transitions. [2019-10-15 02:51:17,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4459 states and 5858 transitions. [2019-10-15 02:51:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-15 02:51:17,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:17,177 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:17,177 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:17,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:17,178 INFO L82 PathProgramCache]: Analyzing trace with hash -691117844, now seen corresponding path program 1 times [2019-10-15 02:51:17,178 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:17,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943098567] [2019-10-15 02:51:17,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:17,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:17,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-15 02:51:17,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943098567] [2019-10-15 02:51:17,497 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:17,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:17,498 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484410371] [2019-10-15 02:51:17,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:17,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:17,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:17,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:17,499 INFO L87 Difference]: Start difference. First operand 4459 states and 5858 transitions. Second operand 3 states. [2019-10-15 02:51:17,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:17,632 INFO L93 Difference]: Finished difference Result 4461 states and 5859 transitions. [2019-10-15 02:51:17,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:17,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-15 02:51:17,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:17,663 INFO L225 Difference]: With dead ends: 4461 [2019-10-15 02:51:17,663 INFO L226 Difference]: Without dead ends: 4458 [2019-10-15 02:51:17,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2019-10-15 02:51:17,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4458. [2019-10-15 02:51:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4458 states. [2019-10-15 02:51:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4458 states to 4458 states and 5856 transitions. [2019-10-15 02:51:17,940 INFO L78 Accepts]: Start accepts. Automaton has 4458 states and 5856 transitions. Word has length 131 [2019-10-15 02:51:17,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:17,942 INFO L462 AbstractCegarLoop]: Abstraction has 4458 states and 5856 transitions. [2019-10-15 02:51:17,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4458 states and 5856 transitions. [2019-10-15 02:51:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 02:51:17,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:17,944 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:17,945 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:17,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:17,945 INFO L82 PathProgramCache]: Analyzing trace with hash 49811691, now seen corresponding path program 1 times [2019-10-15 02:51:17,945 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:17,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034381004] [2019-10-15 02:51:17,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:17,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:17,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-15 02:51:18,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034381004] [2019-10-15 02:51:18,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:18,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:18,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904894253] [2019-10-15 02:51:18,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:18,260 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:18,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:18,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:18,261 INFO L87 Difference]: Start difference. First operand 4458 states and 5856 transitions. Second operand 3 states. [2019-10-15 02:51:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:18,408 INFO L93 Difference]: Finished difference Result 4460 states and 5857 transitions. [2019-10-15 02:51:18,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:18,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-15 02:51:18,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:18,438 INFO L225 Difference]: With dead ends: 4460 [2019-10-15 02:51:18,439 INFO L226 Difference]: Without dead ends: 4457 [2019-10-15 02:51:18,443 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2019-10-15 02:51:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 4457. [2019-10-15 02:51:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4457 states. [2019-10-15 02:51:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 4457 states and 5854 transitions. [2019-10-15 02:51:18,795 INFO L78 Accepts]: Start accepts. Automaton has 4457 states and 5854 transitions. Word has length 132 [2019-10-15 02:51:18,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:18,796 INFO L462 AbstractCegarLoop]: Abstraction has 4457 states and 5854 transitions. [2019-10-15 02:51:18,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 5854 transitions. [2019-10-15 02:51:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-15 02:51:18,798 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:18,799 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:18,799 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:18,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:18,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1543795663, now seen corresponding path program 1 times [2019-10-15 02:51:18,800 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:18,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952959975] [2019-10-15 02:51:18,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:18,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:18,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-15 02:51:19,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952959975] [2019-10-15 02:51:19,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:19,108 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:19,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732996024] [2019-10-15 02:51:19,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:19,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:19,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:19,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:19,110 INFO L87 Difference]: Start difference. First operand 4457 states and 5854 transitions. Second operand 3 states. [2019-10-15 02:51:19,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:19,280 INFO L93 Difference]: Finished difference Result 4459 states and 5855 transitions. [2019-10-15 02:51:19,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:19,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-15 02:51:19,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:19,315 INFO L225 Difference]: With dead ends: 4459 [2019-10-15 02:51:19,316 INFO L226 Difference]: Without dead ends: 4456 [2019-10-15 02:51:19,319 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2019-10-15 02:51:19,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4456. [2019-10-15 02:51:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4456 states. [2019-10-15 02:51:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 5852 transitions. [2019-10-15 02:51:19,565 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 5852 transitions. Word has length 133 [2019-10-15 02:51:19,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:19,565 INFO L462 AbstractCegarLoop]: Abstraction has 4456 states and 5852 transitions. [2019-10-15 02:51:19,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 5852 transitions. [2019-10-15 02:51:19,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-15 02:51:19,568 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:19,568 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:51:19,569 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:19,569 INFO L82 PathProgramCache]: Analyzing trace with hash 612663406, now seen corresponding path program 1 times [2019-10-15 02:51:19,569 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:19,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476930928] [2019-10-15 02:51:19,570 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:19,570 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:19,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-15 02:51:19,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476930928] [2019-10-15 02:51:19,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:19,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:51:19,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259772583] [2019-10-15 02:51:19,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:51:19,880 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:51:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:19,880 INFO L87 Difference]: Start difference. First operand 4456 states and 5852 transitions. Second operand 3 states. [2019-10-15 02:51:20,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:51:20,250 INFO L93 Difference]: Finished difference Result 8734 states and 11681 transitions. [2019-10-15 02:51:20,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:51:20,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-10-15 02:51:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:51:20,313 INFO L225 Difference]: With dead ends: 8734 [2019-10-15 02:51:20,313 INFO L226 Difference]: Without dead ends: 8713 [2019-10-15 02:51:20,321 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:51:20,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8713 states. [2019-10-15 02:51:20,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8713 to 8697. [2019-10-15 02:51:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8697 states. [2019-10-15 02:51:20,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8697 states to 8697 states and 11630 transitions. [2019-10-15 02:51:20,772 INFO L78 Accepts]: Start accepts. Automaton has 8697 states and 11630 transitions. Word has length 134 [2019-10-15 02:51:20,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:51:20,772 INFO L462 AbstractCegarLoop]: Abstraction has 8697 states and 11630 transitions. [2019-10-15 02:51:20,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:51:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 8697 states and 11630 transitions. [2019-10-15 02:51:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-15 02:51:20,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:51:20,782 INFO L380 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] [2019-10-15 02:51:20,782 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:51:20,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:51:20,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1777185809, now seen corresponding path program 1 times [2019-10-15 02:51:20,783 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:51:20,784 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054258295] [2019-10-15 02:51:20,784 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:20,784 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:51:20,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:51:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:51:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-10-15 02:51:21,329 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054258295] [2019-10-15 02:51:21,329 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:51:21,329 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 02:51:21,330 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515620191] [2019-10-15 02:51:21,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 02:51:21,330 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:51:21,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 02:51:21,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-15 02:51:21,331 INFO L87 Difference]: Start difference. First operand 8697 states and 11630 transitions. Second operand 8 states.