java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:20:49,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:20:49,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:20:49,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:20:49,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:20:49,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:20:49,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:20:49,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:20:49,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:20:49,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:20:49,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:20:49,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:20:49,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:20:49,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:20:49,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:20:49,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:20:49,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:20:49,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:20:49,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:20:49,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:20:49,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:20:49,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:20:49,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:20:49,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:20:49,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:20:49,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:20:49,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:20:49,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:20:49,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:20:49,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:20:49,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:20:49,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:20:49,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:20:49,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:20:49,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:20:49,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:20:49,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:20:49,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:20:49,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:20:49,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:20:49,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:20:49,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:20:49,319 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:20:49,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:20:49,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:20:49,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:20:49,322 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:20:49,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:20:49,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:20:49,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:20:49,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:20:49,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:20:49,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:20:49,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:20:49,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:20:49,325 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:20:49,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:20:49,325 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:20:49,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:20:49,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:20:49,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:20:49,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:20:49,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:20:49,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:20:49,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:20:49,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:20:49,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:20:49,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:20:49,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:20:49,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:20:49,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:20:49,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:20:49,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:20:49,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:20:49,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:20:49,610 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:20:49,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-13 20:20:49,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e105dd47/d5e28d32304e413a9796a2d4afa0e60b/FLAGf73170ee5 [2019-10-13 20:20:50,380 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:20:50,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-13 20:20:50,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e105dd47/d5e28d32304e413a9796a2d4afa0e60b/FLAGf73170ee5 [2019-10-13 20:20:50,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e105dd47/d5e28d32304e413a9796a2d4afa0e60b [2019-10-13 20:20:50,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:20:50,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:20:50,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:50,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:20:50,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:20:50,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:50,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76223231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:50, skipping insertion in model container [2019-10-13 20:20:50,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:50" (1/1) ... [2019-10-13 20:20:50,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:20:50,622 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:20:51,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:51,855 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:20:52,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:52,254 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:20:52,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52 WrapperNode [2019-10-13 20:20:52,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:52,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:20:52,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:20:52,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:20:52,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... [2019-10-13 20:20:52,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... [2019-10-13 20:20:52,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... [2019-10-13 20:20:52,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... [2019-10-13 20:20:52,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... [2019-10-13 20:20:52,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... [2019-10-13 20:20:52,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... [2019-10-13 20:20:52,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:20:52,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:20:52,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:20:52,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:20:52,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:20:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:20:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:20:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-10-13 20:20:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:20:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:20:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:20:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:20:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:20:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 20:20:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 20:20:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2019-10-13 20:20:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2019-10-13 20:20:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2019-10-13 20:20:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2019-10-13 20:20:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2019-10-13 20:20:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2019-10-13 20:20:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2019-10-13 20:20:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2019-10-13 20:20:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2019-10-13 20:20:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2019-10-13 20:20:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2019-10-13 20:20:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2019-10-13 20:20:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2019-10-13 20:20:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2019-10-13 20:20:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2019-10-13 20:20:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2019-10-13 20:20:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2019-10-13 20:20:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2019-10-13 20:20:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2019-10-13 20:20:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2019-10-13 20:20:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2019-10-13 20:20:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:20:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:20:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:20:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-13 20:20:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-13 20:20:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2019-10-13 20:20:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-13 20:20:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:20:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:20:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:20:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:20:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:52,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:20:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:52,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-10-13 20:20:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-10-13 20:20:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2019-10-13 20:20:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2019-10-13 20:20:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-10-13 20:20:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-10-13 20:20:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2019-10-13 20:20:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:20:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:20:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:20:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-10-13 20:20:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 20:20:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 20:20:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:20:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:20:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2019-10-13 20:20:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-13 20:20:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-13 20:20:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-13 20:20:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2019-10-13 20:20:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2019-10-13 20:20:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 20:20:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:20:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 20:20:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:20:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:20:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-13 20:20:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 20:20:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 20:20:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-13 20:20:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-13 20:20:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-10-13 20:20:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-13 20:20:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-13 20:20:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-13 20:20:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-13 20:20:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-13 20:20:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-10-13 20:20:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 20:20:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2019-10-13 20:20:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-10-13 20:20:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2019-10-13 20:20:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2019-10-13 20:20:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:20:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:20:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:20:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:20:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:20:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:20:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-13 20:20:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-10-13 20:20:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:20:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:20:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-13 20:20:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-13 20:20:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:20:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 20:20:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-13 20:20:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2019-10-13 20:20:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:20:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:20:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:20:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:20:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-10-13 20:20:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2019-10-13 20:20:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:20:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-13 20:20:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-13 20:20:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-13 20:20:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-13 20:20:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-13 20:20:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-10-13 20:20:52,658 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2019-10-13 20:20:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2019-10-13 20:20:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2019-10-13 20:20:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:20:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:20:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 20:20:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 20:20:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 20:20:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-10-13 20:20:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-13 20:20:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:20:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2019-10-13 20:20:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:20:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2019-10-13 20:20:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2019-10-13 20:20:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2019-10-13 20:20:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2019-10-13 20:20:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2019-10-13 20:20:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:20:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2019-10-13 20:20:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2019-10-13 20:20:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:20:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-10-13 20:20:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:20:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:20:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:20:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:20:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:20:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:20:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:20:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:20:56,791 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:20:56,792 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:20:56,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:20:56 BoogieIcfgContainer [2019-10-13 20:20:56,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:20:56,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:20:56,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:20:56,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:20:56,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:20:50" (1/3) ... [2019-10-13 20:20:56,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13771f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:20:56, skipping insertion in model container [2019-10-13 20:20:56,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:52" (2/3) ... [2019-10-13 20:20:56,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13771f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:20:56, skipping insertion in model container [2019-10-13 20:20:56,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:20:56" (3/3) ... [2019-10-13 20:20:56,803 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-13 20:20:56,812 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:20:56,824 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:20:56,836 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:20:56,881 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:20:56,881 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:20:56,881 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:20:56,881 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:20:56,881 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:20:56,881 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:20:56,881 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:20:56,881 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:20:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states. [2019-10-13 20:20:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 20:20:56,936 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:56,938 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:20:56,941 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:56,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:56,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1012892836, now seen corresponding path program 1 times [2019-10-13 20:20:56,957 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:56,958 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862511107] [2019-10-13 20:20:56,958 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:56,958 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:56,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:20:57,562 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862511107] [2019-10-13 20:20:57,563 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:57,563 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:57,563 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512309150] [2019-10-13 20:20:57,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:57,574 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:57,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:57,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:57,593 INFO L87 Difference]: Start difference. First operand 851 states. Second operand 3 states. [2019-10-13 20:20:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:20:58,388 INFO L93 Difference]: Finished difference Result 2257 states and 3035 transitions. [2019-10-13 20:20:58,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:20:58,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-13 20:20:58,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:20:58,421 INFO L225 Difference]: With dead ends: 2257 [2019-10-13 20:20:58,421 INFO L226 Difference]: Without dead ends: 1489 [2019-10-13 20:20:58,432 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2019-10-13 20:20:58,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1485. [2019-10-13 20:20:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-10-13 20:20:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1972 transitions. [2019-10-13 20:20:58,613 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1972 transitions. Word has length 29 [2019-10-13 20:20:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:20:58,613 INFO L462 AbstractCegarLoop]: Abstraction has 1485 states and 1972 transitions. [2019-10-13 20:20:58,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:20:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1972 transitions. [2019-10-13 20:20:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 20:20:58,618 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:58,618 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:20:58,618 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:58,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:58,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1357180638, now seen corresponding path program 1 times [2019-10-13 20:20:58,619 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:58,619 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196480579] [2019-10-13 20:20:58,620 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:58,620 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:58,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:20:58,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196480579] [2019-10-13 20:20:58,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:58,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:58,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247707262] [2019-10-13 20:20:58,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:58,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:58,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:58,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:58,896 INFO L87 Difference]: Start difference. First operand 1485 states and 1972 transitions. Second operand 3 states. [2019-10-13 20:20:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:20:59,090 INFO L93 Difference]: Finished difference Result 1503 states and 1992 transitions. [2019-10-13 20:20:59,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:20:59,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-13 20:20:59,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:20:59,102 INFO L225 Difference]: With dead ends: 1503 [2019-10-13 20:20:59,102 INFO L226 Difference]: Without dead ends: 1494 [2019-10-13 20:20:59,104 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:59,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-10-13 20:20:59,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1485. [2019-10-13 20:20:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-10-13 20:20:59,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1971 transitions. [2019-10-13 20:20:59,191 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1971 transitions. Word has length 34 [2019-10-13 20:20:59,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:20:59,191 INFO L462 AbstractCegarLoop]: Abstraction has 1485 states and 1971 transitions. [2019-10-13 20:20:59,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:20:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1971 transitions. [2019-10-13 20:20:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 20:20:59,198 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:59,198 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:20:59,198 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:59,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:59,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1414438940, now seen corresponding path program 1 times [2019-10-13 20:20:59,199 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:59,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090259949] [2019-10-13 20:20:59,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:59,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:59,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:20:59,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090259949] [2019-10-13 20:20:59,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:59,391 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:59,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146877605] [2019-10-13 20:20:59,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:59,392 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:59,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:59,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:59,394 INFO L87 Difference]: Start difference. First operand 1485 states and 1971 transitions. Second operand 3 states. [2019-10-13 20:21:00,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:00,093 INFO L93 Difference]: Finished difference Result 1487 states and 1972 transitions. [2019-10-13 20:21:00,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:00,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-13 20:21:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:00,106 INFO L225 Difference]: With dead ends: 1487 [2019-10-13 20:21:00,107 INFO L226 Difference]: Without dead ends: 1484 [2019-10-13 20:21:00,110 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:00,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2019-10-13 20:21:00,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2019-10-13 20:21:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2019-10-13 20:21:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2019-10-13 20:21:00,199 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 34 [2019-10-13 20:21:00,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:00,199 INFO L462 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2019-10-13 20:21:00,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2019-10-13 20:21:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-13 20:21:00,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:00,203 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:00,203 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:00,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:00,203 INFO L82 PathProgramCache]: Analyzing trace with hash 897379620, now seen corresponding path program 1 times [2019-10-13 20:21:00,204 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:00,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571357965] [2019-10-13 20:21:00,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:00,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:00,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:00,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571357965] [2019-10-13 20:21:00,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:00,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:00,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958415857] [2019-10-13 20:21:00,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:00,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:00,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:00,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:00,434 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand 3 states. [2019-10-13 20:21:01,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:01,141 INFO L93 Difference]: Finished difference Result 1486 states and 1970 transitions. [2019-10-13 20:21:01,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:01,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-13 20:21:01,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:01,168 INFO L225 Difference]: With dead ends: 1486 [2019-10-13 20:21:01,169 INFO L226 Difference]: Without dead ends: 1483 [2019-10-13 20:21:01,172 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:01,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2019-10-13 20:21:01,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2019-10-13 20:21:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2019-10-13 20:21:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1967 transitions. [2019-10-13 20:21:01,339 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1967 transitions. Word has length 35 [2019-10-13 20:21:01,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:01,339 INFO L462 AbstractCegarLoop]: Abstraction has 1483 states and 1967 transitions. [2019-10-13 20:21:01,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1967 transitions. [2019-10-13 20:21:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 20:21:01,341 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:01,341 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:01,341 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:01,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:01,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2048414751, now seen corresponding path program 1 times [2019-10-13 20:21:01,342 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:01,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247499879] [2019-10-13 20:21:01,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:01,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247499879] [2019-10-13 20:21:01,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:01,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:01,565 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051447335] [2019-10-13 20:21:01,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:01,566 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:01,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:01,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:01,566 INFO L87 Difference]: Start difference. First operand 1483 states and 1967 transitions. Second operand 3 states. [2019-10-13 20:21:03,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:03,006 INFO L93 Difference]: Finished difference Result 4379 states and 5865 transitions. [2019-10-13 20:21:03,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:03,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-13 20:21:03,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:03,036 INFO L225 Difference]: With dead ends: 4379 [2019-10-13 20:21:03,037 INFO L226 Difference]: Without dead ends: 2895 [2019-10-13 20:21:03,049 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:03,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2019-10-13 20:21:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2874. [2019-10-13 20:21:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2874 states. [2019-10-13 20:21:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3847 transitions. [2019-10-13 20:21:03,311 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3847 transitions. Word has length 36 [2019-10-13 20:21:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:03,312 INFO L462 AbstractCegarLoop]: Abstraction has 2874 states and 3847 transitions. [2019-10-13 20:21:03,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3847 transitions. [2019-10-13 20:21:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 20:21:03,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:03,317 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:03,318 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:03,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:03,318 INFO L82 PathProgramCache]: Analyzing trace with hash 855999933, now seen corresponding path program 1 times [2019-10-13 20:21:03,319 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:03,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180789781] [2019-10-13 20:21:03,319 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:03,319 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:03,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:03,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180789781] [2019-10-13 20:21:03,485 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:03,485 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:03,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107798033] [2019-10-13 20:21:03,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:03,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:03,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:03,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:03,487 INFO L87 Difference]: Start difference. First operand 2874 states and 3847 transitions. Second operand 3 states. [2019-10-13 20:21:03,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:03,902 INFO L93 Difference]: Finished difference Result 8112 states and 10841 transitions. [2019-10-13 20:21:03,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:03,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 20:21:03,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:03,941 INFO L225 Difference]: With dead ends: 8112 [2019-10-13 20:21:03,941 INFO L226 Difference]: Without dead ends: 5249 [2019-10-13 20:21:03,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:03,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2019-10-13 20:21:04,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 5234. [2019-10-13 20:21:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5234 states. [2019-10-13 20:21:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 6987 transitions. [2019-10-13 20:21:04,290 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 6987 transitions. Word has length 64 [2019-10-13 20:21:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:04,291 INFO L462 AbstractCegarLoop]: Abstraction has 5234 states and 6987 transitions. [2019-10-13 20:21:04,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 6987 transitions. [2019-10-13 20:21:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 20:21:04,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:04,296 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:04,297 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:04,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2136533684, now seen corresponding path program 1 times [2019-10-13 20:21:04,297 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:04,297 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310546588] [2019-10-13 20:21:04,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:04,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:04,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:04,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310546588] [2019-10-13 20:21:04,428 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:04,428 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:04,428 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527496422] [2019-10-13 20:21:04,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:04,429 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:04,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:04,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:04,430 INFO L87 Difference]: Start difference. First operand 5234 states and 6987 transitions. Second operand 3 states. [2019-10-13 20:21:05,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:05,478 INFO L93 Difference]: Finished difference Result 12872 states and 17197 transitions. [2019-10-13 20:21:05,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:05,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-10-13 20:21:05,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:05,564 INFO L225 Difference]: With dead ends: 12872 [2019-10-13 20:21:05,565 INFO L226 Difference]: Without dead ends: 7649 [2019-10-13 20:21:05,606 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:05,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7649 states. [2019-10-13 20:21:06,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7649 to 7634. [2019-10-13 20:21:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-10-13 20:21:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10187 transitions. [2019-10-13 20:21:06,327 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10187 transitions. Word has length 83 [2019-10-13 20:21:06,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:06,328 INFO L462 AbstractCegarLoop]: Abstraction has 7634 states and 10187 transitions. [2019-10-13 20:21:06,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10187 transitions. [2019-10-13 20:21:06,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 20:21:06,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:06,336 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:06,336 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:06,336 INFO L82 PathProgramCache]: Analyzing trace with hash -878134479, now seen corresponding path program 1 times [2019-10-13 20:21:06,337 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:06,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4662028] [2019-10-13 20:21:06,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:06,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:06,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 20:21:06,570 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4662028] [2019-10-13 20:21:06,570 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:06,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:21:06,571 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210712287] [2019-10-13 20:21:06,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:21:06,572 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:06,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:21:06,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:21:06,574 INFO L87 Difference]: Start difference. First operand 7634 states and 10187 transitions. Second operand 5 states. [2019-10-13 20:21:07,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:07,075 INFO L93 Difference]: Finished difference Result 15257 states and 20367 transitions. [2019-10-13 20:21:07,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:21:07,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2019-10-13 20:21:07,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:07,171 INFO L225 Difference]: With dead ends: 15257 [2019-10-13 20:21:07,171 INFO L226 Difference]: Without dead ends: 7634 [2019-10-13 20:21:07,224 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:07,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7634 states. [2019-10-13 20:21:08,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7634 to 7634. [2019-10-13 20:21:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-10-13 20:21:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10183 transitions. [2019-10-13 20:21:08,603 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10183 transitions. Word has length 99 [2019-10-13 20:21:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:08,604 INFO L462 AbstractCegarLoop]: Abstraction has 7634 states and 10183 transitions. [2019-10-13 20:21:08,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:21:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10183 transitions. [2019-10-13 20:21:08,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 20:21:08,621 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:08,621 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:08,622 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:08,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:08,622 INFO L82 PathProgramCache]: Analyzing trace with hash -729115681, now seen corresponding path program 1 times [2019-10-13 20:21:08,623 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:08,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412537914] [2019-10-13 20:21:08,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:08,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:08,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 20:21:08,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412537914] [2019-10-13 20:21:08,988 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:08,988 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:21:08,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120882977] [2019-10-13 20:21:08,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:21:08,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:08,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:21:08,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:08,991 INFO L87 Difference]: Start difference. First operand 7634 states and 10183 transitions. Second operand 7 states. [2019-10-13 20:21:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:09,294 INFO L93 Difference]: Finished difference Result 7683 states and 10227 transitions. [2019-10-13 20:21:09,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:21:09,295 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2019-10-13 20:21:09,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:09,341 INFO L225 Difference]: With dead ends: 7683 [2019-10-13 20:21:09,342 INFO L226 Difference]: Without dead ends: 7592 [2019-10-13 20:21:09,350 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:09,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2019-10-13 20:21:09,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7586. [2019-10-13 20:21:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7586 states. [2019-10-13 20:21:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 10109 transitions. [2019-10-13 20:21:09,932 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 10109 transitions. Word has length 104 [2019-10-13 20:21:09,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:09,934 INFO L462 AbstractCegarLoop]: Abstraction has 7586 states and 10109 transitions. [2019-10-13 20:21:09,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:21:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 10109 transitions. [2019-10-13 20:21:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 20:21:09,957 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:09,957 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:09,957 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:09,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:09,958 INFO L82 PathProgramCache]: Analyzing trace with hash -19505024, now seen corresponding path program 1 times [2019-10-13 20:21:09,958 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:09,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065842281] [2019-10-13 20:21:09,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,960 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 20:21:10,151 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065842281] [2019-10-13 20:21:10,152 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:10,152 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:10,152 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121329831] [2019-10-13 20:21:10,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:10,153 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:10,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:10,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:10,159 INFO L87 Difference]: Start difference. First operand 7586 states and 10109 transitions. Second operand 3 states. [2019-10-13 20:21:11,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:11,711 INFO L93 Difference]: Finished difference Result 15163 states and 20208 transitions. [2019-10-13 20:21:11,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:11,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-10-13 20:21:11,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:11,751 INFO L225 Difference]: With dead ends: 15163 [2019-10-13 20:21:11,752 INFO L226 Difference]: Without dead ends: 7588 [2019-10-13 20:21:11,789 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:11,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7588 states. [2019-10-13 20:21:12,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7588 to 7569. [2019-10-13 20:21:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7569 states. [2019-10-13 20:21:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7569 states to 7569 states and 10063 transitions. [2019-10-13 20:21:12,233 INFO L78 Accepts]: Start accepts. Automaton has 7569 states and 10063 transitions. Word has length 100 [2019-10-13 20:21:12,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:12,233 INFO L462 AbstractCegarLoop]: Abstraction has 7569 states and 10063 transitions. [2019-10-13 20:21:12,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 7569 states and 10063 transitions. [2019-10-13 20:21:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 20:21:12,244 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:12,245 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:12,245 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:12,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:12,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1225259457, now seen corresponding path program 1 times [2019-10-13 20:21:12,246 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:12,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725419042] [2019-10-13 20:21:12,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:12,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:12,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 20:21:12,467 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725419042] [2019-10-13 20:21:12,467 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:12,467 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:21:12,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311548953] [2019-10-13 20:21:12,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:21:12,468 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:12,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:21:12,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:12,469 INFO L87 Difference]: Start difference. First operand 7569 states and 10063 transitions. Second operand 7 states. [2019-10-13 20:21:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:12,726 INFO L93 Difference]: Finished difference Result 7661 states and 10158 transitions. [2019-10-13 20:21:12,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:21:12,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2019-10-13 20:21:12,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:12,770 INFO L225 Difference]: With dead ends: 7661 [2019-10-13 20:21:12,770 INFO L226 Difference]: Without dead ends: 7538 [2019-10-13 20:21:12,777 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:12,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7538 states. [2019-10-13 20:21:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7538 to 7530. [2019-10-13 20:21:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7530 states. [2019-10-13 20:21:13,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7530 states to 7530 states and 10004 transitions. [2019-10-13 20:21:13,475 INFO L78 Accepts]: Start accepts. Automaton has 7530 states and 10004 transitions. Word has length 100 [2019-10-13 20:21:13,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:13,475 INFO L462 AbstractCegarLoop]: Abstraction has 7530 states and 10004 transitions. [2019-10-13 20:21:13,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:21:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 7530 states and 10004 transitions. [2019-10-13 20:21:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 20:21:13,491 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:13,492 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:13,492 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:13,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:13,493 INFO L82 PathProgramCache]: Analyzing trace with hash -136702546, now seen corresponding path program 1 times [2019-10-13 20:21:13,493 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:13,494 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901544926] [2019-10-13 20:21:13,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:13,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:13,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 20:21:13,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901544926] [2019-10-13 20:21:13,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:13,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:21:13,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720994468] [2019-10-13 20:21:13,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:21:13,730 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:13,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:21:13,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:13,731 INFO L87 Difference]: Start difference. First operand 7530 states and 10004 transitions. Second operand 7 states. [2019-10-13 20:21:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:14,017 INFO L93 Difference]: Finished difference Result 11184 states and 14867 transitions. [2019-10-13 20:21:14,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:21:14,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2019-10-13 20:21:14,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:14,049 INFO L225 Difference]: With dead ends: 11184 [2019-10-13 20:21:14,050 INFO L226 Difference]: Without dead ends: 7532 [2019-10-13 20:21:14,063 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7532 states. [2019-10-13 20:21:14,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7532 to 7524. [2019-10-13 20:21:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7524 states. [2019-10-13 20:21:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7524 states to 7524 states and 9996 transitions. [2019-10-13 20:21:14,438 INFO L78 Accepts]: Start accepts. Automaton has 7524 states and 9996 transitions. Word has length 108 [2019-10-13 20:21:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:14,439 INFO L462 AbstractCegarLoop]: Abstraction has 7524 states and 9996 transitions. [2019-10-13 20:21:14,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:21:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 7524 states and 9996 transitions. [2019-10-13 20:21:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-13 20:21:14,450 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:14,450 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:14,450 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:14,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:14,451 INFO L82 PathProgramCache]: Analyzing trace with hash -900641247, now seen corresponding path program 1 times [2019-10-13 20:21:14,451 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:14,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529271707] [2019-10-13 20:21:14,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:14,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:14,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 20:21:14,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529271707] [2019-10-13 20:21:14,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:14,762 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:21:14,762 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677979106] [2019-10-13 20:21:14,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:21:14,763 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:14,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:21:14,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:14,764 INFO L87 Difference]: Start difference. First operand 7524 states and 9996 transitions. Second operand 7 states. [2019-10-13 20:21:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:14,957 INFO L93 Difference]: Finished difference Result 7622 states and 10096 transitions. [2019-10-13 20:21:14,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:21:14,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2019-10-13 20:21:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:14,959 INFO L225 Difference]: With dead ends: 7622 [2019-10-13 20:21:14,959 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 20:21:14,984 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:14,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 20:21:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 20:21:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 20:21:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 20:21:14,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-10-13 20:21:14,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:14,987 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 20:21:14,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:21:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 20:21:14,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 20:21:14,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.