/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --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--phantom.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 23:14:31,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:14:31,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:14:31,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:14:31,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:14:31,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:14:31,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:14:31,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:14:31,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:14:31,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:14:31,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:14:31,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:14:31,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:14:31,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:14:31,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:14:31,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:14:31,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:14:31,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:14:31,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:14:31,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:14:31,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:14:31,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:14:31,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:14:31,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:14:31,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:14:31,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:14:31,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:14:31,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:14:31,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:14:31,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:14:31,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:14:31,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:14:31,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:14:31,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:14:31,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:14:31,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:14:31,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:14:31,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:14:31,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:14:31,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:14:31,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:14:31,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:14:31,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:14:31,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:14:31,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:14:31,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:14:31,484 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:14:31,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:14:31,484 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:14:31,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:14:31,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:14:31,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:14:31,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:14:31,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:14:31,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:14:31,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:14:31,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:14:31,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:14:31,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:14:31,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:14:31,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:14:31,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:14:31,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:14:31,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:14:31,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:14:31,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:14:31,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:14:31,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:14:31,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:14:31,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:14:31,490 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 [2019-11-06 23:14:31,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:14:31,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:14:31,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:14:31,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:14:31,789 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:14:31,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2019-11-06 23:14:31,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26654629/5405ba62da8d49cdb88b2288bd5ae10e/FLAGc1852590b [2019-11-06 23:14:32,626 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:14:32,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2019-11-06 23:14:32,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26654629/5405ba62da8d49cdb88b2288bd5ae10e/FLAGc1852590b [2019-11-06 23:14:32,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26654629/5405ba62da8d49cdb88b2288bd5ae10e [2019-11-06 23:14:32,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:14:32,719 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:14:32,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:14:32,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:14:32,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:14:32,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:14:32" (1/1) ... [2019-11-06 23:14:32,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a731d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:32, skipping insertion in model container [2019-11-06 23:14:32,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:14:32" (1/1) ... [2019-11-06 23:14:32,738 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:14:32,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:14:34,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:14:34,116 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:14:34,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:14:34,687 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:14:34,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34 WrapperNode [2019-11-06 23:14:34,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:14:34,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:14:34,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:14:34,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:14:34,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... [2019-11-06 23:14:34,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... [2019-11-06 23:14:34,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... [2019-11-06 23:14:34,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... [2019-11-06 23:14:34,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... [2019-11-06 23:14:34,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... [2019-11-06 23:14:34,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... [2019-11-06 23:14:34,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:14:34,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:14:34,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:14:34,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:14:34,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:14:35,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:14:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:14:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 23:14:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 23:14:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 23:14:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-11-06 23:14:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-11-06 23:14:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-11-06 23:14:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:14:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 23:14:35,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 23:14:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 23:14:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-11-06 23:14:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:14:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:14:35,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:14:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:14:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 23:14:35,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-06 23:14:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-06 23:14:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 23:14:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 23:14:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-11-06 23:14:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-06 23:14:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2019-11-06 23:14:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2019-11-06 23:14:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_compat_ioctl [2019-11-06 23:14:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_open [2019-11-06 23:14:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_release [2019-11-06 23:14:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2019-11-06 23:14:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_isr [2019-11-06 23:14:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_get_free [2019-11-06 23:14:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_probe [2019-11-06 23:14:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2019-11-06 23:14:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_suspend [2019-11-06 23:14:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_resume [2019-11-06 23:14:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_init [2019-11-06 23:14:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_exit [2019-11-06 23:14:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:14:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 23:14:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-06 23:14:35,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-06 23:14:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2019-11-06 23:14:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-11-06 23:14:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2019-11-06 23:14:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 23:14:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-11-06 23:14:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2019-11-06 23:14:35,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-11-06 23:14:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-06 23:14:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-11-06 23:14:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-06 23:14:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-11-06 23:14:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-11-06 23:14:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-11-06 23:14:35,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_17 [2019-11-06 23:14:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_18 [2019-11-06 23:14:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:14:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:14:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 23:14:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:14:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:14:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-06 23:14:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-06 23:14:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:14:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-06 23:14:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-06 23:14:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:14:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:14:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:14:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:14:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:14:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:14:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:14:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_open_lock_of_phantom_device [2019-11-06 23:14:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_open_lock_of_phantom_device [2019-11-06 23:14:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_open_lock_of_phantom_device [2019-11-06 23:14:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_open_lock_of_phantom_device [2019-11-06 23:14:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_open_lock_of_phantom_device [2019-11-06 23:14:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_open_lock_of_phantom_device [2019-11-06 23:14:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2019-11-06 23:14:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_phantom_mutex [2019-11-06 23:14:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_phantom_mutex [2019-11-06 23:14:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_phantom_mutex [2019-11-06 23:14:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_phantom_mutex [2019-11-06 23:14:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_phantom_mutex [2019-11-06 23:14:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_phantom_mutex [2019-11-06 23:14:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2019-11-06 23:14:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:14:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:14:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-11-06 23:14:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-06 23:14:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 23:14:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 23:14:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-06 23:14:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:14:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 23:14:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 23:14:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 23:14:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 23:14:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure class_create_file [2019-11-06 23:14:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-11-06 23:14:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2019-11-06 23:14:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 23:14:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 23:14:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 23:14:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-11-06 23:14:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-11-06 23:14:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-06 23:14:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-11-06 23:14:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-11-06 23:14:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 23:14:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 23:14:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-06 23:14:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 23:14:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:14:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-11-06 23:14:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-11-06 23:14:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-06 23:14:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-06 23:14:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-11-06 23:14:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-11-06 23:14:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-11-06 23:14:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-11-06 23:14:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-06 23:14:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:14:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-06 23:14:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2019-11-06 23:14:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-11-06 23:14:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-11-06 23:14:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-11-06 23:14:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 23:14:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:14:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:14:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-06 23:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 23:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:14:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-11-06 23:14:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 23:14:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 23:14:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 23:14:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-11-06 23:14:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:14:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-11-06 23:14:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2019-11-06 23:14:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 23:14:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-11-06 23:14:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-06 23:14:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-11-06 23:14:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-06 23:14:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-11-06 23:14:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-11-06 23:14:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-11-06 23:14:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_open_lock_of_phantom_device [2019-11-06 23:14:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_open_lock_of_phantom_device [2019-11-06 23:14:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2019-11-06 23:14:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_phantom_mutex [2019-11-06 23:14:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2019-11-06 23:14:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:14:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:14:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 23:14:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 23:14:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 23:14:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-11-06 23:14:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-11-06 23:14:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-11-06 23:14:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-11-06 23:14:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-11-06 23:14:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-11-06 23:14:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-11-06 23:14:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-11-06 23:14:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-11-06 23:14:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure class_create_file [2019-11-06 23:14:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2019-11-06 23:14:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2019-11-06 23:14:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-11-06 23:14:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-06 23:14:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:14:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 23:14:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 23:14:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 23:14:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:14:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 23:14:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-11-06 23:14:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-11-06 23:14:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:14:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_17 [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_18 [2019-11-06 23:14:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2019-11-06 23:14:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:14:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:14:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2019-11-06 23:14:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:14:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_compat_ioctl [2019-11-06 23:14:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_open [2019-11-06 23:14:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_release [2019-11-06 23:14:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2019-11-06 23:14:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_isr [2019-11-06 23:14:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_get_free [2019-11-06 23:14:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_probe [2019-11-06 23:14:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2019-11-06 23:14:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_suspend [2019-11-06 23:14:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_resume [2019-11-06 23:14:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_init [2019-11-06 23:14:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_exit [2019-11-06 23:14:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:14:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:14:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:14:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:14:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 23:14:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 23:14:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:14:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:14:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_open_lock_of_phantom_device [2019-11-06 23:14:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_open_lock_of_phantom_device [2019-11-06 23:14:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_open_lock_of_phantom_device [2019-11-06 23:14:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_open_lock_of_phantom_device [2019-11-06 23:14:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_phantom_mutex [2019-11-06 23:14:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_phantom_mutex [2019-11-06 23:14:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_phantom_mutex [2019-11-06 23:14:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_phantom_mutex [2019-11-06 23:14:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_phantom_mutex [2019-11-06 23:14:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:14:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:14:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 23:14:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 23:14:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:14:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:14:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:14:38,893 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:14:38,894 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:14:38,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:14:38 BoogieIcfgContainer [2019-11-06 23:14:38,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:14:38,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:14:38,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:14:38,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:14:38,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:14:32" (1/3) ... [2019-11-06 23:14:38,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4651fa68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:14:38, skipping insertion in model container [2019-11-06 23:14:38,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:14:34" (2/3) ... [2019-11-06 23:14:38,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4651fa68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:14:38, skipping insertion in model container [2019-11-06 23:14:38,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:14:38" (3/3) ... [2019-11-06 23:14:38,904 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2019-11-06 23:14:38,915 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:14:38,926 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:14:38,939 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:14:38,975 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:14:38,975 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:14:38,975 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:14:38,975 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:14:38,976 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:14:38,976 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:14:38,976 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:14:38,976 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:14:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states. [2019-11-06 23:14:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-06 23:14:39,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:39,028 INFO L410 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] [2019-11-06 23:14:39,030 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:39,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:39,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1370570878, now seen corresponding path program 1 times [2019-11-06 23:14:39,045 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:39,045 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158663771] [2019-11-06 23:14:39,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:39,808 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158663771] [2019-11-06 23:14:39,809 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:39,809 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:39,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821724691] [2019-11-06 23:14:39,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:39,817 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:39,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:39,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:39,835 INFO L87 Difference]: Start difference. First operand 958 states. Second operand 3 states. [2019-11-06 23:14:40,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:40,202 INFO L93 Difference]: Finished difference Result 1897 states and 2442 transitions. [2019-11-06 23:14:40,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:40,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-06 23:14:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:40,242 INFO L225 Difference]: With dead ends: 1897 [2019-11-06 23:14:40,242 INFO L226 Difference]: Without dead ends: 1098 [2019-11-06 23:14:40,254 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:40,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2019-11-06 23:14:40,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1056. [2019-11-06 23:14:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2019-11-06 23:14:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1331 transitions. [2019-11-06 23:14:40,439 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1331 transitions. Word has length 27 [2019-11-06 23:14:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:40,439 INFO L462 AbstractCegarLoop]: Abstraction has 1056 states and 1331 transitions. [2019-11-06 23:14:40,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1331 transitions. [2019-11-06 23:14:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-06 23:14:40,449 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:40,450 INFO L410 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] [2019-11-06 23:14:40,450 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:40,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:40,451 INFO L82 PathProgramCache]: Analyzing trace with hash -274796882, now seen corresponding path program 1 times [2019-11-06 23:14:40,451 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:40,451 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263698072] [2019-11-06 23:14:40,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:40,715 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263698072] [2019-11-06 23:14:40,716 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:40,716 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:40,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484652524] [2019-11-06 23:14:40,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:40,720 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:40,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:40,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:40,724 INFO L87 Difference]: Start difference. First operand 1056 states and 1331 transitions. Second operand 3 states. [2019-11-06 23:14:41,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:41,551 INFO L93 Difference]: Finished difference Result 3007 states and 3798 transitions. [2019-11-06 23:14:41,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:41,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-11-06 23:14:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:41,566 INFO L225 Difference]: With dead ends: 3007 [2019-11-06 23:14:41,566 INFO L226 Difference]: Without dead ends: 1962 [2019-11-06 23:14:41,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:41,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2019-11-06 23:14:41,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1955. [2019-11-06 23:14:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2019-11-06 23:14:41,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2466 transitions. [2019-11-06 23:14:41,699 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2466 transitions. Word has length 50 [2019-11-06 23:14:41,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:41,700 INFO L462 AbstractCegarLoop]: Abstraction has 1955 states and 2466 transitions. [2019-11-06 23:14:41,700 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2466 transitions. [2019-11-06 23:14:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-06 23:14:41,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:41,703 INFO L410 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] [2019-11-06 23:14:41,703 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:41,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:41,704 INFO L82 PathProgramCache]: Analyzing trace with hash 529971578, now seen corresponding path program 1 times [2019-11-06 23:14:41,704 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:41,705 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073413188] [2019-11-06 23:14:41,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:41,960 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073413188] [2019-11-06 23:14:41,961 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:41,961 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:41,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305818488] [2019-11-06 23:14:41,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:41,962 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:41,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:41,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:41,963 INFO L87 Difference]: Start difference. First operand 1955 states and 2466 transitions. Second operand 3 states. [2019-11-06 23:14:42,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:42,130 INFO L93 Difference]: Finished difference Result 1981 states and 2498 transitions. [2019-11-06 23:14:42,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:42,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-11-06 23:14:42,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:42,144 INFO L225 Difference]: With dead ends: 1981 [2019-11-06 23:14:42,144 INFO L226 Difference]: Without dead ends: 1968 [2019-11-06 23:14:42,149 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:42,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2019-11-06 23:14:42,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1955. [2019-11-06 23:14:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1955 states. [2019-11-06 23:14:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2464 transitions. [2019-11-06 23:14:42,240 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2464 transitions. Word has length 56 [2019-11-06 23:14:42,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:42,241 INFO L462 AbstractCegarLoop]: Abstraction has 1955 states and 2464 transitions. [2019-11-06 23:14:42,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2464 transitions. [2019-11-06 23:14:42,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-06 23:14:42,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:42,243 INFO L410 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] [2019-11-06 23:14:42,244 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:42,244 INFO L82 PathProgramCache]: Analyzing trace with hash 587229880, now seen corresponding path program 1 times [2019-11-06 23:14:42,244 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:42,244 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964780931] [2019-11-06 23:14:42,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:42,431 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964780931] [2019-11-06 23:14:42,431 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:42,432 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:42,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129985354] [2019-11-06 23:14:42,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:42,432 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:42,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:42,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:42,433 INFO L87 Difference]: Start difference. First operand 1955 states and 2464 transitions. Second operand 3 states. [2019-11-06 23:14:43,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:43,125 INFO L93 Difference]: Finished difference Result 1957 states and 2465 transitions. [2019-11-06 23:14:43,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:43,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-11-06 23:14:43,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:43,137 INFO L225 Difference]: With dead ends: 1957 [2019-11-06 23:14:43,137 INFO L226 Difference]: Without dead ends: 1954 [2019-11-06 23:14:43,138 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:43,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2019-11-06 23:14:43,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1954. [2019-11-06 23:14:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2019-11-06 23:14:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2462 transitions. [2019-11-06 23:14:43,228 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2462 transitions. Word has length 56 [2019-11-06 23:14:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:43,228 INFO L462 AbstractCegarLoop]: Abstraction has 1954 states and 2462 transitions. [2019-11-06 23:14:43,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2462 transitions. [2019-11-06 23:14:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-06 23:14:43,230 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:43,231 INFO L410 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] [2019-11-06 23:14:43,231 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:43,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1023514197, now seen corresponding path program 1 times [2019-11-06 23:14:43,231 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:43,232 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111472769] [2019-11-06 23:14:43,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:43,382 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111472769] [2019-11-06 23:14:43,382 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:43,382 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:43,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11847785] [2019-11-06 23:14:43,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:43,383 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:43,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:43,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:43,384 INFO L87 Difference]: Start difference. First operand 1954 states and 2462 transitions. Second operand 3 states. [2019-11-06 23:14:44,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:44,802 INFO L93 Difference]: Finished difference Result 1956 states and 2463 transitions. [2019-11-06 23:14:44,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:44,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-11-06 23:14:44,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:44,834 INFO L225 Difference]: With dead ends: 1956 [2019-11-06 23:14:44,835 INFO L226 Difference]: Without dead ends: 1953 [2019-11-06 23:14:44,838 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:44,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2019-11-06 23:14:44,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1953. [2019-11-06 23:14:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2019-11-06 23:14:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2460 transitions. [2019-11-06 23:14:44,968 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2460 transitions. Word has length 57 [2019-11-06 23:14:44,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:44,970 INFO L462 AbstractCegarLoop]: Abstraction has 1953 states and 2460 transitions. [2019-11-06 23:14:44,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2460 transitions. [2019-11-06 23:14:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-06 23:14:44,975 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:44,975 INFO L410 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] [2019-11-06 23:14:44,976 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:44,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:44,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1663431003, now seen corresponding path program 1 times [2019-11-06 23:14:44,976 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:44,976 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055721858] [2019-11-06 23:14:44,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:45,214 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055721858] [2019-11-06 23:14:45,214 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:45,215 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:45,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746930218] [2019-11-06 23:14:45,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:45,218 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:45,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:45,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:45,219 INFO L87 Difference]: Start difference. First operand 1953 states and 2460 transitions. Second operand 3 states. [2019-11-06 23:14:46,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:46,300 INFO L93 Difference]: Finished difference Result 1955 states and 2461 transitions. [2019-11-06 23:14:46,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:46,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-06 23:14:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:46,315 INFO L225 Difference]: With dead ends: 1955 [2019-11-06 23:14:46,315 INFO L226 Difference]: Without dead ends: 1952 [2019-11-06 23:14:46,317 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:46,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2019-11-06 23:14:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1952. [2019-11-06 23:14:46,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2019-11-06 23:14:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2458 transitions. [2019-11-06 23:14:46,432 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2458 transitions. Word has length 58 [2019-11-06 23:14:46,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:46,433 INFO L462 AbstractCegarLoop]: Abstraction has 1952 states and 2458 transitions. [2019-11-06 23:14:46,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2458 transitions. [2019-11-06 23:14:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-06 23:14:46,435 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:46,436 INFO L410 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] [2019-11-06 23:14:46,436 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:46,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:46,436 INFO L82 PathProgramCache]: Analyzing trace with hash 26020376, now seen corresponding path program 1 times [2019-11-06 23:14:46,436 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:46,437 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26039253] [2019-11-06 23:14:46,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:46,602 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26039253] [2019-11-06 23:14:46,602 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:46,603 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:46,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175062835] [2019-11-06 23:14:46,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:46,604 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:46,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:46,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:46,605 INFO L87 Difference]: Start difference. First operand 1952 states and 2458 transitions. Second operand 3 states. [2019-11-06 23:14:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:47,606 INFO L93 Difference]: Finished difference Result 5741 states and 7265 transitions. [2019-11-06 23:14:47,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:47,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-11-06 23:14:47,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:47,626 INFO L225 Difference]: With dead ends: 5741 [2019-11-06 23:14:47,626 INFO L226 Difference]: Without dead ends: 3800 [2019-11-06 23:14:47,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2019-11-06 23:14:47,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 3786. [2019-11-06 23:14:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3786 states. [2019-11-06 23:14:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 3786 states and 4786 transitions. [2019-11-06 23:14:47,822 INFO L78 Accepts]: Start accepts. Automaton has 3786 states and 4786 transitions. Word has length 59 [2019-11-06 23:14:47,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:47,822 INFO L462 AbstractCegarLoop]: Abstraction has 3786 states and 4786 transitions. [2019-11-06 23:14:47,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3786 states and 4786 transitions. [2019-11-06 23:14:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-06 23:14:47,827 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:47,827 INFO L410 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] [2019-11-06 23:14:47,827 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:47,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:47,828 INFO L82 PathProgramCache]: Analyzing trace with hash 805903358, now seen corresponding path program 1 times [2019-11-06 23:14:47,828 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:47,828 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503135235] [2019-11-06 23:14:47,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:48,014 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503135235] [2019-11-06 23:14:48,014 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:48,014 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:48,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216780865] [2019-11-06 23:14:48,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:48,015 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:48,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:48,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:48,016 INFO L87 Difference]: Start difference. First operand 3786 states and 4786 transitions. Second operand 3 states. [2019-11-06 23:14:48,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:48,800 INFO L93 Difference]: Finished difference Result 3837 states and 4823 transitions. [2019-11-06 23:14:48,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:48,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-06 23:14:48,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:48,822 INFO L225 Difference]: With dead ends: 3837 [2019-11-06 23:14:48,822 INFO L226 Difference]: Without dead ends: 3773 [2019-11-06 23:14:48,825 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:48,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2019-11-06 23:14:48,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3753. [2019-11-06 23:14:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3753 states. [2019-11-06 23:14:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 4726 transitions. [2019-11-06 23:14:49,087 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 4726 transitions. Word has length 60 [2019-11-06 23:14:49,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:49,087 INFO L462 AbstractCegarLoop]: Abstraction has 3753 states and 4726 transitions. [2019-11-06 23:14:49,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 4726 transitions. [2019-11-06 23:14:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-06 23:14:49,094 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:49,094 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:14:49,094 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:49,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:49,095 INFO L82 PathProgramCache]: Analyzing trace with hash 953655475, now seen corresponding path program 1 times [2019-11-06 23:14:49,095 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:49,096 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142774506] [2019-11-06 23:14:49,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-06 23:14:49,277 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142774506] [2019-11-06 23:14:49,278 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:49,278 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:49,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599186938] [2019-11-06 23:14:49,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:49,279 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:49,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:49,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:49,280 INFO L87 Difference]: Start difference. First operand 3753 states and 4726 transitions. Second operand 3 states. [2019-11-06 23:14:49,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:49,628 INFO L93 Difference]: Finished difference Result 9583 states and 12170 transitions. [2019-11-06 23:14:49,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:49,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-11-06 23:14:49,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:49,671 INFO L225 Difference]: With dead ends: 9583 [2019-11-06 23:14:49,671 INFO L226 Difference]: Without dead ends: 5841 [2019-11-06 23:14:49,691 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:49,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5841 states. [2019-11-06 23:14:50,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5841 to 5774. [2019-11-06 23:14:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5774 states. [2019-11-06 23:14:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5774 states to 5774 states and 7377 transitions. [2019-11-06 23:14:50,067 INFO L78 Accepts]: Start accepts. Automaton has 5774 states and 7377 transitions. Word has length 221 [2019-11-06 23:14:50,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:50,067 INFO L462 AbstractCegarLoop]: Abstraction has 5774 states and 7377 transitions. [2019-11-06 23:14:50,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 5774 states and 7377 transitions. [2019-11-06 23:14:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-11-06 23:14:50,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:50,082 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:14:50,082 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:50,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:50,083 INFO L82 PathProgramCache]: Analyzing trace with hash -140423935, now seen corresponding path program 1 times [2019-11-06 23:14:50,083 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:50,084 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128417575] [2019-11-06 23:14:50,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-06 23:14:50,442 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128417575] [2019-11-06 23:14:50,442 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:50,443 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:50,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878610034] [2019-11-06 23:14:50,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:50,444 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:50,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:50,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:50,449 INFO L87 Difference]: Start difference. First operand 5774 states and 7377 transitions. Second operand 3 states. [2019-11-06 23:14:51,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:51,448 INFO L93 Difference]: Finished difference Result 13237 states and 16904 transitions. [2019-11-06 23:14:51,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:51,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 262 [2019-11-06 23:14:51,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:51,502 INFO L225 Difference]: With dead ends: 13237 [2019-11-06 23:14:51,502 INFO L226 Difference]: Without dead ends: 7474 [2019-11-06 23:14:51,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:51,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7474 states. [2019-11-06 23:14:51,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7474 to 7320. [2019-11-06 23:14:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7320 states. [2019-11-06 23:14:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7320 states to 7320 states and 9313 transitions. [2019-11-06 23:14:51,932 INFO L78 Accepts]: Start accepts. Automaton has 7320 states and 9313 transitions. Word has length 262 [2019-11-06 23:14:51,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:51,934 INFO L462 AbstractCegarLoop]: Abstraction has 7320 states and 9313 transitions. [2019-11-06 23:14:51,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7320 states and 9313 transitions. [2019-11-06 23:14:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-06 23:14:51,942 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:51,943 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:14:51,943 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:51,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:51,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1924208959, now seen corresponding path program 1 times [2019-11-06 23:14:51,943 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:51,944 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041514962] [2019-11-06 23:14:51,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-06 23:14:52,236 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041514962] [2019-11-06 23:14:52,236 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:52,237 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 23:14:52,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525634447] [2019-11-06 23:14:52,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 23:14:52,238 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:52,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 23:14:52,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:14:52,238 INFO L87 Difference]: Start difference. First operand 7320 states and 9313 transitions. Second operand 7 states. [2019-11-06 23:14:52,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:52,555 INFO L93 Difference]: Finished difference Result 11261 states and 14273 transitions. [2019-11-06 23:14:52,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:14:52,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2019-11-06 23:14:52,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:52,581 INFO L225 Difference]: With dead ends: 11261 [2019-11-06 23:14:52,582 INFO L226 Difference]: Without dead ends: 3952 [2019-11-06 23:14:52,606 INFO L630 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 [2019-11-06 23:14:52,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2019-11-06 23:14:52,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3944. [2019-11-06 23:14:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3944 states. [2019-11-06 23:14:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 4955 transitions. [2019-11-06 23:14:52,817 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 4955 transitions. Word has length 274 [2019-11-06 23:14:52,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:52,820 INFO L462 AbstractCegarLoop]: Abstraction has 3944 states and 4955 transitions. [2019-11-06 23:14:52,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 23:14:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 4955 transitions. [2019-11-06 23:14:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-06 23:14:52,832 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:52,833 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:14:52,833 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:52,834 INFO L82 PathProgramCache]: Analyzing trace with hash -863206528, now seen corresponding path program 1 times [2019-11-06 23:14:52,834 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:52,834 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051624897] [2019-11-06 23:14:52,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-06 23:14:53,163 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051624897] [2019-11-06 23:14:53,164 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:53,164 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:53,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814612778] [2019-11-06 23:14:53,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:53,165 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:53,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:53,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:53,165 INFO L87 Difference]: Start difference. First operand 3944 states and 4955 transitions. Second operand 3 states. [2019-11-06 23:14:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:55,033 INFO L93 Difference]: Finished difference Result 3949 states and 4958 transitions. [2019-11-06 23:14:55,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:55,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2019-11-06 23:14:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:55,062 INFO L225 Difference]: With dead ends: 3949 [2019-11-06 23:14:55,063 INFO L226 Difference]: Without dead ends: 3946 [2019-11-06 23:14:55,065 INFO L630 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 [2019-11-06 23:14:55,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2019-11-06 23:14:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3943. [2019-11-06 23:14:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3943 states. [2019-11-06 23:14:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 3943 states and 4950 transitions. [2019-11-06 23:14:55,245 INFO L78 Accepts]: Start accepts. Automaton has 3943 states and 4950 transitions. Word has length 274 [2019-11-06 23:14:55,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:55,246 INFO L462 AbstractCegarLoop]: Abstraction has 3943 states and 4950 transitions. [2019-11-06 23:14:55,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3943 states and 4950 transitions. [2019-11-06 23:14:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-11-06 23:14:55,259 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:55,260 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:14:55,260 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:55,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:55,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1392884888, now seen corresponding path program 1 times [2019-11-06 23:14:55,261 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:55,261 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463965385] [2019-11-06 23:14:55,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-06 23:14:56,279 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463965385] [2019-11-06 23:14:56,279 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:56,280 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:56,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182620785] [2019-11-06 23:14:56,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:56,282 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:56,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:56,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:56,283 INFO L87 Difference]: Start difference. First operand 3943 states and 4950 transitions. Second operand 3 states. [2019-11-06 23:14:57,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:57,205 INFO L93 Difference]: Finished difference Result 3946 states and 4952 transitions. [2019-11-06 23:14:57,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:57,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2019-11-06 23:14:57,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:57,223 INFO L225 Difference]: With dead ends: 3946 [2019-11-06 23:14:57,223 INFO L226 Difference]: Without dead ends: 3943 [2019-11-06 23:14:57,226 INFO L630 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 [2019-11-06 23:14:57,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2019-11-06 23:14:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 3943. [2019-11-06 23:14:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3943 states. [2019-11-06 23:14:57,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 3943 states and 4942 transitions. [2019-11-06 23:14:57,428 INFO L78 Accepts]: Start accepts. Automaton has 3943 states and 4942 transitions. Word has length 275 [2019-11-06 23:14:57,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:57,429 INFO L462 AbstractCegarLoop]: Abstraction has 3943 states and 4942 transitions. [2019-11-06 23:14:57,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:57,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3943 states and 4942 transitions. [2019-11-06 23:14:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-11-06 23:14:57,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:57,437 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:14:57,437 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:57,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:57,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1903419065, now seen corresponding path program 1 times [2019-11-06 23:14:57,438 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:57,438 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16105199] [2019-11-06 23:14:57,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-06 23:14:57,789 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16105199] [2019-11-06 23:14:57,789 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:57,789 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 23:14:57,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430456112] [2019-11-06 23:14:57,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 23:14:57,791 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:57,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 23:14:57,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:14:57,792 INFO L87 Difference]: Start difference. First operand 3943 states and 4942 transitions. Second operand 7 states. [2019-11-06 23:14:57,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:57,971 INFO L93 Difference]: Finished difference Result 3951 states and 4950 transitions. [2019-11-06 23:14:57,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:14:57,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 275 [2019-11-06 23:14:57,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:57,973 INFO L225 Difference]: With dead ends: 3951 [2019-11-06 23:14:57,973 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 23:14:57,989 INFO L630 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 [2019-11-06 23:14:57,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 23:14:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 23:14:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 23:14:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 23:14:57,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2019-11-06 23:14:57,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:57,991 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 23:14:57,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 23:14:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 23:14:57,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 23:14:57,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 23:15:00,928 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-11-06 23:15:01,046 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2019-11-06 23:15:01,248 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2019-11-06 23:15:01,405 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23 [2019-11-06 23:15:01,997 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 34 [2019-11-06 23:15:02,230 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-11-06 23:15:02,383 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 23