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 0.1.24-13a467a-m [2019-10-15 00:19:50,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:19:50,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:19:50,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:19:50,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:19:50,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:19:50,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:19:50,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:19:50,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:19:50,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:19:50,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:19:50,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:19:50,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:19:50,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:19:50,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:19:50,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:19:50,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:19:50,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:19:50,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:19:50,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:19:50,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:19:50,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:19:50,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:19:50,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:19:50,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:19:50,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:19:50,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:19:50,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:19:50,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:19:50,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:19:50,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:19:50,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:19:50,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:19:50,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:19:50,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:19:50,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:19:50,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:19:50,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:19:50,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:19:50,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:19:50,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:19:50,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:19:50,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:19:50,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:19:50,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:19:50,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:19:50,279 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:19:50,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:19:50,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:19:50,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:19:50,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:19:50,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:19:50,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:19:50,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:19:50,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:19:50,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:19:50,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:19:50,281 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:19:50,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:19:50,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:19:50,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:19:50,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:19:50,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:19:50,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:19:50,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:19:50,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:19:50,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:19:50,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:19:50,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:19:50,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:19:50,284 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 [2019-10-15 00:19:50,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:19:50,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:19:50,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:19:50,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:19:50,602 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:19:50,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-15 00:19:50,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e10295c7/80c132f1f5e84e9c894057658fb25252/FLAGe1b4242fa [2019-10-15 00:19:51,482 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:19:51,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-15 00:19:51,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e10295c7/80c132f1f5e84e9c894057658fb25252/FLAGe1b4242fa [2019-10-15 00:19:51,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e10295c7/80c132f1f5e84e9c894057658fb25252 [2019-10-15 00:19:51,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:19:51,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:19:51,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:19:51,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:19:51,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:19:51,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:19:51" (1/1) ... [2019-10-15 00:19:51,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c78b623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:51, skipping insertion in model container [2019-10-15 00:19:51,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:19:51" (1/1) ... [2019-10-15 00:19:51,626 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:19:51,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:19:53,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:19:53,327 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:19:53,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:19:53,757 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:19:53,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53 WrapperNode [2019-10-15 00:19:53,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:19:53,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:19:53,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:19:53,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:19:53,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:53,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:54,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:54,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:54,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... [2019-10-15 00:19:54,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:19:54,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:19:54,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:19:54,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:19:54,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:19:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:19:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:19:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-10-15 00:19:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:19:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:19:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:19:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:19:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:19:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 00:19:54,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 00:19:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2019-10-15 00:19:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2019-10-15 00:19:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2019-10-15 00:19:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2019-10-15 00:19:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2019-10-15 00:19:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2019-10-15 00:19:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2019-10-15 00:19:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2019-10-15 00:19:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2019-10-15 00:19:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2019-10-15 00:19:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2019-10-15 00:19:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2019-10-15 00:19:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2019-10-15 00:19:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2019-10-15 00:19:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2019-10-15 00:19:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2019-10-15 00:19:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2019-10-15 00:19:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2019-10-15 00:19:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2019-10-15 00:19:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2019-10-15 00:19:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2019-10-15 00:19:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:19:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 00:19:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 00:19:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 00:19:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 00:19:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:19:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-15 00:19:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 00:19:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-15 00:19:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2019-10-15 00:19:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-15 00:19:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 00:19:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:19:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:19:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:19:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:19:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:19:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:19:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:19:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:19:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:19:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:19:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:19:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:19:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:19:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:19:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:19:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:19:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:19:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-10-15 00:19:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-10-15 00:19:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2019-10-15 00:19:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2019-10-15 00:19:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-10-15 00:19:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-10-15 00:19:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2019-10-15 00:19:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:19:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:19:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 00:19:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-10-15 00:19:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 00:19:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:19:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:19:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:19:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2019-10-15 00:19:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-15 00:19:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-15 00:19:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-15 00:19:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2019-10-15 00:19:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2019-10-15 00:19:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-15 00:19:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:19:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 00:19:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:19:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:19:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-15 00:19:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 00:19:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 00:19:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-15 00:19:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-15 00:19:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-10-15 00:19:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-15 00:19:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-15 00:19:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-15 00:19:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-15 00:19:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-15 00:19:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-10-15 00:19:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 00:19:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2019-10-15 00:19:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-10-15 00:19:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2019-10-15 00:19:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2019-10-15 00:19:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:19:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:19:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:19:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:19:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 00:19:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:19:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 00:19:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-10-15 00:19:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:19:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 00:19:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:19:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 00:19:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:19:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 00:19:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-15 00:19:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-15 00:19:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 00:19:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 00:19:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-15 00:19:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2019-10-15 00:19:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:19:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 00:19:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 00:19:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:19:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:19:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:19:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:19:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:19:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-10-15 00:19:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2019-10-15 00:19:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:19:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-15 00:19:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-15 00:19:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-15 00:19:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-15 00:19:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-15 00:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-10-15 00:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2019-10-15 00:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2019-10-15 00:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2019-10-15 00:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:19:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 00:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 00:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-10-15 00:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-10-15 00:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-15 00:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-15 00:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-15 00:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-15 00:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-10-15 00:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 00:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-15 00:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2019-10-15 00:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2019-10-15 00:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2019-10-15 00:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:19:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:19:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2019-10-15 00:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2019-10-15 00:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2019-10-15 00:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2019-10-15 00:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2019-10-15 00:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2019-10-15 00:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2019-10-15 00:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2019-10-15 00:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2019-10-15 00:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2019-10-15 00:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2019-10-15 00:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2019-10-15 00:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2019-10-15 00:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2019-10-15 00:19:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:19:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-10-15 00:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2019-10-15 00:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2019-10-15 00:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-10-15 00:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-10-15 00:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 00:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:19:58,081 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:19:58,082 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:19:58,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:19:58 BoogieIcfgContainer [2019-10-15 00:19:58,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:19:58,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:19:58,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:19:58,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:19:58,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:19:51" (1/3) ... [2019-10-15 00:19:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f49931e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:19:58, skipping insertion in model container [2019-10-15 00:19:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:19:53" (2/3) ... [2019-10-15 00:19:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f49931e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:19:58, skipping insertion in model container [2019-10-15 00:19:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:19:58" (3/3) ... [2019-10-15 00:19:58,095 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-15 00:19:58,108 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:19:58,119 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:19:58,133 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:19:58,169 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:19:58,169 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:19:58,170 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:19:58,170 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:19:58,170 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:19:58,170 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:19:58,170 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:19:58,170 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:19:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states. [2019-10-15 00:19:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-15 00:19:58,222 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:19:58,223 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] [2019-10-15 00:19:58,225 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:19:58,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:19:58,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1012892836, now seen corresponding path program 1 times [2019-10-15 00:19:58,246 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:19:58,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698116593] [2019-10-15 00:19:58,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:58,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:19:58,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:19:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:19:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:19:58,940 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698116593] [2019-10-15 00:19:58,945 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:19:58,946 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:19:58,947 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172876036] [2019-10-15 00:19:58,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:19:58,956 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:19:58,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:19:58,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:19:58,979 INFO L87 Difference]: Start difference. First operand 851 states. Second operand 3 states. [2019-10-15 00:19:59,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:19:59,862 INFO L93 Difference]: Finished difference Result 2257 states and 3035 transitions. [2019-10-15 00:19:59,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:19:59,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-15 00:19:59,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:19:59,922 INFO L225 Difference]: With dead ends: 2257 [2019-10-15 00:19:59,922 INFO L226 Difference]: Without dead ends: 1489 [2019-10-15 00:19:59,939 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:00,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2019-10-15 00:20:00,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1485. [2019-10-15 00:20:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-10-15 00:20:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1972 transitions. [2019-10-15 00:20:00,254 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1972 transitions. Word has length 29 [2019-10-15 00:20:00,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:00,254 INFO L462 AbstractCegarLoop]: Abstraction has 1485 states and 1972 transitions. [2019-10-15 00:20:00,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1972 transitions. [2019-10-15 00:20:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-15 00:20:00,278 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:00,279 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] [2019-10-15 00:20:00,279 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:00,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:00,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1357180638, now seen corresponding path program 1 times [2019-10-15 00:20:00,280 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:00,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537506730] [2019-10-15 00:20:00,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:00,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:00,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:00,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537506730] [2019-10-15 00:20:00,504 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:00,504 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:00,504 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468243624] [2019-10-15 00:20:00,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:00,507 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:00,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:00,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:00,508 INFO L87 Difference]: Start difference. First operand 1485 states and 1972 transitions. Second operand 3 states. [2019-10-15 00:20:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:00,653 INFO L93 Difference]: Finished difference Result 1503 states and 1992 transitions. [2019-10-15 00:20:00,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:00,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-15 00:20:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:00,666 INFO L225 Difference]: With dead ends: 1503 [2019-10-15 00:20:00,667 INFO L226 Difference]: Without dead ends: 1494 [2019-10-15 00:20:00,669 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:00,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-10-15 00:20:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1485. [2019-10-15 00:20:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-10-15 00:20:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1971 transitions. [2019-10-15 00:20:00,762 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1971 transitions. Word has length 34 [2019-10-15 00:20:00,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:00,762 INFO L462 AbstractCegarLoop]: Abstraction has 1485 states and 1971 transitions. [2019-10-15 00:20:00,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1971 transitions. [2019-10-15 00:20:00,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-15 00:20:00,765 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:00,765 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] [2019-10-15 00:20:00,765 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:00,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:00,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1414438940, now seen corresponding path program 1 times [2019-10-15 00:20:00,766 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:00,766 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452544678] [2019-10-15 00:20:00,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:00,766 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:00,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:00,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452544678] [2019-10-15 00:20:00,949 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:00,950 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:00,950 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462868982] [2019-10-15 00:20:00,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:00,951 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:00,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:00,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:00,952 INFO L87 Difference]: Start difference. First operand 1485 states and 1971 transitions. Second operand 3 states. [2019-10-15 00:20:01,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:01,508 INFO L93 Difference]: Finished difference Result 1487 states and 1972 transitions. [2019-10-15 00:20:01,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:01,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-15 00:20:01,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:01,519 INFO L225 Difference]: With dead ends: 1487 [2019-10-15 00:20:01,519 INFO L226 Difference]: Without dead ends: 1484 [2019-10-15 00:20:01,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:01,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2019-10-15 00:20:01,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2019-10-15 00:20:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2019-10-15 00:20:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2019-10-15 00:20:01,656 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 34 [2019-10-15 00:20:01,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:01,657 INFO L462 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2019-10-15 00:20:01,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2019-10-15 00:20:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-15 00:20:01,659 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:01,659 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] [2019-10-15 00:20:01,659 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:01,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:01,659 INFO L82 PathProgramCache]: Analyzing trace with hash 897379620, now seen corresponding path program 1 times [2019-10-15 00:20:01,660 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:01,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984441150] [2019-10-15 00:20:01,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:01,660 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:01,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:01,810 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984441150] [2019-10-15 00:20:01,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:01,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:01,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478973239] [2019-10-15 00:20:01,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:01,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:01,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:01,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:01,812 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand 3 states. [2019-10-15 00:20:02,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:02,490 INFO L93 Difference]: Finished difference Result 1486 states and 1970 transitions. [2019-10-15 00:20:02,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:02,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-15 00:20:02,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:02,501 INFO L225 Difference]: With dead ends: 1486 [2019-10-15 00:20:02,502 INFO L226 Difference]: Without dead ends: 1483 [2019-10-15 00:20:02,503 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:02,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2019-10-15 00:20:02,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2019-10-15 00:20:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2019-10-15 00:20:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1967 transitions. [2019-10-15 00:20:02,590 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1967 transitions. Word has length 35 [2019-10-15 00:20:02,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:02,591 INFO L462 AbstractCegarLoop]: Abstraction has 1483 states and 1967 transitions. [2019-10-15 00:20:02,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1967 transitions. [2019-10-15 00:20:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-15 00:20:02,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:02,593 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] [2019-10-15 00:20:02,593 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:02,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:02,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2048414751, now seen corresponding path program 1 times [2019-10-15 00:20:02,594 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:02,594 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504213880] [2019-10-15 00:20:02,594 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:02,594 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:02,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:02,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504213880] [2019-10-15 00:20:02,716 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:02,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:02,716 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951716480] [2019-10-15 00:20:02,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:02,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:02,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:02,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:02,718 INFO L87 Difference]: Start difference. First operand 1483 states and 1967 transitions. Second operand 3 states. [2019-10-15 00:20:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:04,003 INFO L93 Difference]: Finished difference Result 4379 states and 5865 transitions. [2019-10-15 00:20:04,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:04,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-15 00:20:04,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:04,031 INFO L225 Difference]: With dead ends: 4379 [2019-10-15 00:20:04,031 INFO L226 Difference]: Without dead ends: 2895 [2019-10-15 00:20:04,043 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:04,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2019-10-15 00:20:04,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2874. [2019-10-15 00:20:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2874 states. [2019-10-15 00:20:04,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3847 transitions. [2019-10-15 00:20:04,356 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3847 transitions. Word has length 36 [2019-10-15 00:20:04,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:04,357 INFO L462 AbstractCegarLoop]: Abstraction has 2874 states and 3847 transitions. [2019-10-15 00:20:04,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3847 transitions. [2019-10-15 00:20:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 00:20:04,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:04,363 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] [2019-10-15 00:20:04,363 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:04,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:04,364 INFO L82 PathProgramCache]: Analyzing trace with hash 855999933, now seen corresponding path program 1 times [2019-10-15 00:20:04,364 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:04,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853126801] [2019-10-15 00:20:04,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:04,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:04,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:04,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853126801] [2019-10-15 00:20:04,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:04,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:04,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336279698] [2019-10-15 00:20:04,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:04,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:04,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:04,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:04,528 INFO L87 Difference]: Start difference. First operand 2874 states and 3847 transitions. Second operand 3 states. [2019-10-15 00:20:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:04,901 INFO L93 Difference]: Finished difference Result 8112 states and 10841 transitions. [2019-10-15 00:20:04,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:04,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-15 00:20:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:04,942 INFO L225 Difference]: With dead ends: 8112 [2019-10-15 00:20:04,942 INFO L226 Difference]: Without dead ends: 5249 [2019-10-15 00:20:04,962 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:05,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2019-10-15 00:20:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 5234. [2019-10-15 00:20:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5234 states. [2019-10-15 00:20:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 6987 transitions. [2019-10-15 00:20:05,391 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 6987 transitions. Word has length 64 [2019-10-15 00:20:05,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:05,392 INFO L462 AbstractCegarLoop]: Abstraction has 5234 states and 6987 transitions. [2019-10-15 00:20:05,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 6987 transitions. [2019-10-15 00:20:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 00:20:05,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:05,398 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] [2019-10-15 00:20:05,398 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:05,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:05,398 INFO L82 PathProgramCache]: Analyzing trace with hash 2136533684, now seen corresponding path program 1 times [2019-10-15 00:20:05,399 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:05,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157543697] [2019-10-15 00:20:05,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:05,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:05,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:05,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157543697] [2019-10-15 00:20:05,515 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:05,516 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:05,516 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817204856] [2019-10-15 00:20:05,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:05,516 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:05,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:05,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:05,517 INFO L87 Difference]: Start difference. First operand 5234 states and 6987 transitions. Second operand 3 states. [2019-10-15 00:20:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:06,586 INFO L93 Difference]: Finished difference Result 12872 states and 17197 transitions. [2019-10-15 00:20:06,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:06,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-10-15 00:20:06,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:06,641 INFO L225 Difference]: With dead ends: 12872 [2019-10-15 00:20:06,641 INFO L226 Difference]: Without dead ends: 7649 [2019-10-15 00:20:06,668 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:06,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7649 states. [2019-10-15 00:20:07,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7649 to 7634. [2019-10-15 00:20:07,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-10-15 00:20:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10187 transitions. [2019-10-15 00:20:07,312 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10187 transitions. Word has length 83 [2019-10-15 00:20:07,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:07,313 INFO L462 AbstractCegarLoop]: Abstraction has 7634 states and 10187 transitions. [2019-10-15 00:20:07,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10187 transitions. [2019-10-15 00:20:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-15 00:20:07,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:07,324 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] [2019-10-15 00:20:07,325 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:07,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:07,325 INFO L82 PathProgramCache]: Analyzing trace with hash -878134479, now seen corresponding path program 1 times [2019-10-15 00:20:07,325 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:07,326 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005932576] [2019-10-15 00:20:07,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:07,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:07,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 00:20:07,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005932576] [2019-10-15 00:20:07,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:07,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:20:07,585 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770585114] [2019-10-15 00:20:07,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:20:07,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:07,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:20:07,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:20:07,587 INFO L87 Difference]: Start difference. First operand 7634 states and 10187 transitions. Second operand 5 states. [2019-10-15 00:20:07,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:07,999 INFO L93 Difference]: Finished difference Result 15257 states and 20367 transitions. [2019-10-15 00:20:07,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:20:08,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2019-10-15 00:20:08,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:08,065 INFO L225 Difference]: With dead ends: 15257 [2019-10-15 00:20:08,065 INFO L226 Difference]: Without dead ends: 7634 [2019-10-15 00:20:08,106 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 [2019-10-15 00:20:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7634 states. [2019-10-15 00:20:09,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7634 to 7634. [2019-10-15 00:20:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-10-15 00:20:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10183 transitions. [2019-10-15 00:20:09,166 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10183 transitions. Word has length 99 [2019-10-15 00:20:09,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:09,167 INFO L462 AbstractCegarLoop]: Abstraction has 7634 states and 10183 transitions. [2019-10-15 00:20:09,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:20:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10183 transitions. [2019-10-15 00:20:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-15 00:20:09,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:09,175 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] [2019-10-15 00:20:09,176 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:09,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:09,176 INFO L82 PathProgramCache]: Analyzing trace with hash -19505024, now seen corresponding path program 1 times [2019-10-15 00:20:09,176 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:09,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667188554] [2019-10-15 00:20:09,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:09,177 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:09,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 00:20:09,342 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667188554] [2019-10-15 00:20:09,342 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:09,342 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:09,342 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889270495] [2019-10-15 00:20:09,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:09,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:09,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:09,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:09,344 INFO L87 Difference]: Start difference. First operand 7634 states and 10183 transitions. Second operand 3 states. [2019-10-15 00:20:10,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:10,493 INFO L93 Difference]: Finished difference Result 15259 states and 20356 transitions. [2019-10-15 00:20:10,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:10,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-10-15 00:20:10,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:10,549 INFO L225 Difference]: With dead ends: 15259 [2019-10-15 00:20:10,550 INFO L226 Difference]: Without dead ends: 7636 [2019-10-15 00:20:10,589 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 [2019-10-15 00:20:10,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7636 states. [2019-10-15 00:20:10,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7636 to 7617. [2019-10-15 00:20:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7617 states. [2019-10-15 00:20:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7617 states to 7617 states and 10137 transitions. [2019-10-15 00:20:11,014 INFO L78 Accepts]: Start accepts. Automaton has 7617 states and 10137 transitions. Word has length 100 [2019-10-15 00:20:11,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:11,016 INFO L462 AbstractCegarLoop]: Abstraction has 7617 states and 10137 transitions. [2019-10-15 00:20:11,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 7617 states and 10137 transitions. [2019-10-15 00:20:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 00:20:11,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:11,029 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] [2019-10-15 00:20:11,029 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:11,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:11,030 INFO L82 PathProgramCache]: Analyzing trace with hash -729115681, now seen corresponding path program 1 times [2019-10-15 00:20:11,030 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:11,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390513377] [2019-10-15 00:20:11,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:11,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:11,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 00:20:11,250 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390513377] [2019-10-15 00:20:11,250 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:11,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 00:20:11,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699008379] [2019-10-15 00:20:11,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:20:11,251 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:11,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:20:11,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:20:11,252 INFO L87 Difference]: Start difference. First operand 7617 states and 10137 transitions. Second operand 7 states. [2019-10-15 00:20:11,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:11,604 INFO L93 Difference]: Finished difference Result 7666 states and 10179 transitions. [2019-10-15 00:20:11,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:20:11,604 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2019-10-15 00:20:11,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:11,646 INFO L225 Difference]: With dead ends: 7666 [2019-10-15 00:20:11,646 INFO L226 Difference]: Without dead ends: 7575 [2019-10-15 00:20:11,654 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 [2019-10-15 00:20:11,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2019-10-15 00:20:11,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 7569. [2019-10-15 00:20:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7569 states. [2019-10-15 00:20:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7569 states to 7569 states and 10063 transitions. [2019-10-15 00:20:12,034 INFO L78 Accepts]: Start accepts. Automaton has 7569 states and 10063 transitions. Word has length 104 [2019-10-15 00:20:12,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:12,035 INFO L462 AbstractCegarLoop]: Abstraction has 7569 states and 10063 transitions. [2019-10-15 00:20:12,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 00:20:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 7569 states and 10063 transitions. [2019-10-15 00:20:12,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-15 00:20:12,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:12,046 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] [2019-10-15 00:20:12,046 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:12,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:12,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1225259457, now seen corresponding path program 1 times [2019-10-15 00:20:12,047 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:12,047 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670154580] [2019-10-15 00:20:12,047 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:12,047 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:12,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 00:20:12,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670154580] [2019-10-15 00:20:12,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:12,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 00:20:12,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914024272] [2019-10-15 00:20:12,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:20:12,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:12,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:20:12,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:20:12,257 INFO L87 Difference]: Start difference. First operand 7569 states and 10063 transitions. Second operand 7 states. [2019-10-15 00:20:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:12,546 INFO L93 Difference]: Finished difference Result 7661 states and 10158 transitions. [2019-10-15 00:20:12,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:20:12,546 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2019-10-15 00:20:12,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:12,582 INFO L225 Difference]: With dead ends: 7661 [2019-10-15 00:20:12,582 INFO L226 Difference]: Without dead ends: 7538 [2019-10-15 00:20:12,588 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 [2019-10-15 00:20:12,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7538 states. [2019-10-15 00:20:12,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7538 to 7530. [2019-10-15 00:20:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7530 states. [2019-10-15 00:20:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7530 states to 7530 states and 10004 transitions. [2019-10-15 00:20:12,986 INFO L78 Accepts]: Start accepts. Automaton has 7530 states and 10004 transitions. Word has length 100 [2019-10-15 00:20:12,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:12,987 INFO L462 AbstractCegarLoop]: Abstraction has 7530 states and 10004 transitions. [2019-10-15 00:20:12,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 00:20:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 7530 states and 10004 transitions. [2019-10-15 00:20:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 00:20:13,001 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:13,001 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] [2019-10-15 00:20:13,001 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:13,002 INFO L82 PathProgramCache]: Analyzing trace with hash -136702546, now seen corresponding path program 1 times [2019-10-15 00:20:13,002 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:13,003 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461177381] [2019-10-15 00:20:13,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:13,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:13,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 00:20:13,256 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461177381] [2019-10-15 00:20:13,257 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:13,257 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 00:20:13,257 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004708445] [2019-10-15 00:20:13,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:20:13,258 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:13,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:20:13,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:20:13,258 INFO L87 Difference]: Start difference. First operand 7530 states and 10004 transitions. Second operand 7 states. [2019-10-15 00:20:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:13,678 INFO L93 Difference]: Finished difference Result 11184 states and 14867 transitions. [2019-10-15 00:20:13,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:20:13,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2019-10-15 00:20:13,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:13,712 INFO L225 Difference]: With dead ends: 11184 [2019-10-15 00:20:13,712 INFO L226 Difference]: Without dead ends: 7532 [2019-10-15 00:20:13,725 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 [2019-10-15 00:20:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7532 states. [2019-10-15 00:20:14,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7532 to 7524. [2019-10-15 00:20:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7524 states. [2019-10-15 00:20:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7524 states to 7524 states and 9996 transitions. [2019-10-15 00:20:14,082 INFO L78 Accepts]: Start accepts. Automaton has 7524 states and 9996 transitions. Word has length 108 [2019-10-15 00:20:14,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:14,083 INFO L462 AbstractCegarLoop]: Abstraction has 7524 states and 9996 transitions. [2019-10-15 00:20:14,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 00:20:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 7524 states and 9996 transitions. [2019-10-15 00:20:14,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-15 00:20:14,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:14,093 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] [2019-10-15 00:20:14,094 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:14,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:14,094 INFO L82 PathProgramCache]: Analyzing trace with hash -900641247, now seen corresponding path program 1 times [2019-10-15 00:20:14,094 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:14,095 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714853999] [2019-10-15 00:20:14,095 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:14,095 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:14,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 00:20:14,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714853999] [2019-10-15 00:20:14,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:14,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 00:20:14,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727425862] [2019-10-15 00:20:14,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 00:20:14,260 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:14,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 00:20:14,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:20:14,261 INFO L87 Difference]: Start difference. First operand 7524 states and 9996 transitions. Second operand 7 states. [2019-10-15 00:20:14,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:14,410 INFO L93 Difference]: Finished difference Result 7622 states and 10096 transitions. [2019-10-15 00:20:14,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 00:20:14,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2019-10-15 00:20:14,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:14,411 INFO L225 Difference]: With dead ends: 7622 [2019-10-15 00:20:14,412 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 00:20:14,429 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 [2019-10-15 00:20:14,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 00:20:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 00:20:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 00:20:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 00:20:14,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-10-15 00:20:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:14,433 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 00:20:14,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 00:20:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 00:20:14,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 00:20:14,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.