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--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:21:00,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:21:00,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:21:00,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:21:00,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:21:00,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:21:00,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:21:00,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:21:00,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:21:00,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:21:00,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:21:00,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:21:00,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:21:00,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:21:00,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:21:00,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:21:00,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:21:00,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:21:00,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:21:00,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:21:00,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:21:00,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:21:00,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:21:00,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:21:00,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:21:00,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:21:00,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:21:00,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:21:00,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:21:00,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:21:00,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:21:00,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:21:00,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:21:00,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:21:00,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:21:00,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:21:00,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:21:00,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:21:00,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:21:00,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:21:00,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:21:00,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:21:00,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:21:00,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:21:00,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:21:00,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:21:00,478 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:21:00,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:21:00,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:21:00,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:21:00,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:21:00,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:21:00,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:21:00,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:21:00,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:21:00,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:21:00,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:21:00,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:21:00,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:21:00,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:21:00,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:21:00,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:21:00,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:21:00,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:21:00,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:21:00,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:21:00,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:21:00,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:21:00,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:21:00,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:21:00,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:21:00,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:21:00,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:21:00,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:21:00,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:21:00,786 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:21:00,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-13 20:21:00,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204280b4d/c6b675dd42ae48b8946b98fd1bc94884/FLAG804f17b48 [2019-10-13 20:21:01,643 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:21:01,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-13 20:21:01,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204280b4d/c6b675dd42ae48b8946b98fd1bc94884/FLAG804f17b48 [2019-10-13 20:21:01,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204280b4d/c6b675dd42ae48b8946b98fd1bc94884 [2019-10-13 20:21:01,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:21:01,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:21:01,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:01,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:21:01,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:21:01,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:01" (1/1) ... [2019-10-13 20:21:01,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e90c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:01, skipping insertion in model container [2019-10-13 20:21:01,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:01" (1/1) ... [2019-10-13 20:21:01,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:21:01,837 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:21:03,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:03,477 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:21:03,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:03,887 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:21:03,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03 WrapperNode [2019-10-13 20:21:03,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:03,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:21:03,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:21:03,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:21:03,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... [2019-10-13 20:21:03,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... [2019-10-13 20:21:03,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... [2019-10-13 20:21:03,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... [2019-10-13 20:21:04,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... [2019-10-13 20:21:04,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... [2019-10-13 20:21:04,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... [2019-10-13 20:21:04,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:21:04,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:21:04,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:21:04,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:21:04,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:21:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:21:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:21:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:21:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:21:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:21:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:21:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:21:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-13 20:21:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-13 20:21:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-13 20:21:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-13 20:21:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-13 20:21:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:21:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:21:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:21:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-13 20:21:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 20:21:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 20:21:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 20:21:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 20:21:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-13 20:21:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-13 20:21:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-13 20:21:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-13 20:21:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-13 20:21:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-13 20:21:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-13 20:21:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-13 20:21:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-13 20:21:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-13 20:21:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-13 20:21:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-13 20:21:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-13 20:21:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-13 20:21:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-13 20:21:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-13 20:21:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-13 20:21:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-13 20:21:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-13 20:21:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-13 20:21:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-13 20:21:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-13 20:21:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-13 20:21:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-13 20:21:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-13 20:21:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-13 20:21:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-13 20:21:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-13 20:21:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-13 20:21:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:21:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 20:21:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 20:21:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 20:21:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-13 20:21:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 20:21:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 20:21:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 20:21:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-13 20:21:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-13 20:21:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-13 20:21:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-13 20:21:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-13 20:21:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-13 20:21:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-13 20:21:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 20:21:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-13 20:21:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-13 20:21:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:21:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:21:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:21:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:21:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:21:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:21:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 20:21:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-13 20:21:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-13 20:21:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-13 20:21:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-13 20:21:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:21:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-13 20:21:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 20:21:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 20:21:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-10-13 20:21:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-10-13 20:21:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-10-13 20:21:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-10-13 20:21:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:21:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:21:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:21:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-13 20:21:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-13 20:21:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:21:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-13 20:21:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-13 20:21:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 20:21:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 20:21:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:21:04,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:21:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:21:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:21:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:21:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:21:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:21:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:21:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:21:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:21:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:21:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:21:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:21:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:21:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:21:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:21:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:21:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:21:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:21:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-13 20:21:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-13 20:21:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:21:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:21:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-13 20:21:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:21:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-10-13 20:21:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-10-13 20:21:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-10-13 20:21:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-10-13 20:21:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-13 20:21:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-13 20:21:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:21:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:21:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 20:21:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 20:21:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-13 20:21:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-13 20:21:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 20:21:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 20:21:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 20:21:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-13 20:21:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-13 20:21:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-13 20:21:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 20:21:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-13 20:21:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 20:21:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 20:21:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 20:21:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-13 20:21:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-13 20:21:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-13 20:21:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-13 20:21:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-13 20:21:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-13 20:21:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-13 20:21:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 20:21:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 20:21:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 20:21:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:21:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:21:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-13 20:21:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-13 20:21:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 20:21:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:21:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-13 20:21:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-13 20:21:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-13 20:21:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-13 20:21:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-13 20:21:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-13 20:21:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:21:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-13 20:21:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-13 20:21:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:21:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-13 20:21:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-13 20:21:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-13 20:21:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-13 20:21:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-13 20:21:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-13 20:21:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-13 20:21:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-13 20:21:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-13 20:21:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-13 20:21:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-13 20:21:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-13 20:21:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-13 20:21:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-13 20:21:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-13 20:21:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-13 20:21:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-13 20:21:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-13 20:21:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-13 20:21:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:21:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:21:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:21:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:21:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-13 20:21:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:21:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:21:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:21:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:21:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:21:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:21:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:21:07,791 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:21:07,791 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:21:07,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:07 BoogieIcfgContainer [2019-10-13 20:21:07,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:21:07,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:21:07,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:21:07,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:21:07,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:21:01" (1/3) ... [2019-10-13 20:21:07,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f1272d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:07, skipping insertion in model container [2019-10-13 20:21:07,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:03" (2/3) ... [2019-10-13 20:21:07,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f1272d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:21:07, skipping insertion in model container [2019-10-13 20:21:07,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:21:07" (3/3) ... [2019-10-13 20:21:07,803 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-13 20:21:07,813 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:21:07,825 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:21:07,838 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:21:07,883 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:21:07,883 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:21:07,883 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:21:07,883 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:21:07,883 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:21:07,883 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:21:07,884 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:21:07,884 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:21:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states. [2019-10-13 20:21:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-13 20:21:07,959 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:07,961 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:07,963 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:07,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:07,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1883563716, now seen corresponding path program 1 times [2019-10-13 20:21:07,982 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:07,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431681409] [2019-10-13 20:21:07,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:07,983 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:07,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:08,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431681409] [2019-10-13 20:21:08,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:08,524 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:08,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807020771] [2019-10-13 20:21:08,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:08,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:08,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:08,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:08,550 INFO L87 Difference]: Start difference. First operand 971 states. Second operand 3 states. [2019-10-13 20:21:08,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:08,838 INFO L93 Difference]: Finished difference Result 2472 states and 3471 transitions. [2019-10-13 20:21:08,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:08,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-13 20:21:08,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:08,884 INFO L225 Difference]: With dead ends: 2472 [2019-10-13 20:21:08,885 INFO L226 Difference]: Without dead ends: 1624 [2019-10-13 20:21:08,901 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:08,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2019-10-13 20:21:09,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1603. [2019-10-13 20:21:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2019-10-13 20:21:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2195 transitions. [2019-10-13 20:21:09,120 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2195 transitions. Word has length 37 [2019-10-13 20:21:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:09,121 INFO L462 AbstractCegarLoop]: Abstraction has 1603 states and 2195 transitions. [2019-10-13 20:21:09,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2195 transitions. [2019-10-13 20:21:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 20:21:09,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:09,129 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:09,132 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:09,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:09,133 INFO L82 PathProgramCache]: Analyzing trace with hash -633769266, now seen corresponding path program 1 times [2019-10-13 20:21:09,134 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:09,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098297406] [2019-10-13 20:21:09,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:09,359 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098297406] [2019-10-13 20:21:09,359 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:09,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:09,360 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030540541] [2019-10-13 20:21:09,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:09,362 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:09,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:09,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:09,363 INFO L87 Difference]: Start difference. First operand 1603 states and 2195 transitions. Second operand 3 states. [2019-10-13 20:21:09,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:09,706 INFO L93 Difference]: Finished difference Result 4746 states and 6515 transitions. [2019-10-13 20:21:09,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:09,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-13 20:21:09,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:09,727 INFO L225 Difference]: With dead ends: 4746 [2019-10-13 20:21:09,728 INFO L226 Difference]: Without dead ends: 3154 [2019-10-13 20:21:09,736 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2019-10-13 20:21:09,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2019-10-13 20:21:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3150 states. [2019-10-13 20:21:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4322 transitions. [2019-10-13 20:21:09,901 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4322 transitions. Word has length 34 [2019-10-13 20:21:09,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:09,901 INFO L462 AbstractCegarLoop]: Abstraction has 3150 states and 4322 transitions. [2019-10-13 20:21:09,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4322 transitions. [2019-10-13 20:21:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-13 20:21:09,904 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:09,904 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:09,905 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:09,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:09,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1131553523, now seen corresponding path program 1 times [2019-10-13 20:21:09,905 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:09,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911602235] [2019-10-13 20:21:09,906 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,906 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:10,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911602235] [2019-10-13 20:21:10,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:10,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:10,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220963819] [2019-10-13 20:21:10,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:10,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:10,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:10,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:10,029 INFO L87 Difference]: Start difference. First operand 3150 states and 4322 transitions. Second operand 3 states. [2019-10-13 20:21:10,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:10,291 INFO L93 Difference]: Finished difference Result 9280 states and 12728 transitions. [2019-10-13 20:21:10,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:10,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-13 20:21:10,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:10,455 INFO L225 Difference]: With dead ends: 9280 [2019-10-13 20:21:10,455 INFO L226 Difference]: Without dead ends: 6141 [2019-10-13 20:21:10,467 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:10,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2019-10-13 20:21:10,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 6120. [2019-10-13 20:21:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6120 states. [2019-10-13 20:21:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 8390 transitions. [2019-10-13 20:21:10,730 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 8390 transitions. Word has length 39 [2019-10-13 20:21:10,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:10,730 INFO L462 AbstractCegarLoop]: Abstraction has 6120 states and 8390 transitions. [2019-10-13 20:21:10,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 8390 transitions. [2019-10-13 20:21:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-13 20:21:10,733 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:10,733 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:10,733 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:10,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:10,734 INFO L82 PathProgramCache]: Analyzing trace with hash 374043500, now seen corresponding path program 1 times [2019-10-13 20:21:10,734 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:10,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196013683] [2019-10-13 20:21:10,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:10,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:10,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:10,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196013683] [2019-10-13 20:21:10,869 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:10,869 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:10,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833011174] [2019-10-13 20:21:10,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:10,870 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:10,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:10,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:10,871 INFO L87 Difference]: Start difference. First operand 6120 states and 8390 transitions. Second operand 3 states. [2019-10-13 20:21:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:11,164 INFO L93 Difference]: Finished difference Result 6122 states and 8391 transitions. [2019-10-13 20:21:11,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:11,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-13 20:21:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:11,204 INFO L225 Difference]: With dead ends: 6122 [2019-10-13 20:21:11,204 INFO L226 Difference]: Without dead ends: 6119 [2019-10-13 20:21:11,209 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:11,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2019-10-13 20:21:11,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 6119. [2019-10-13 20:21:11,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6119 states. [2019-10-13 20:21:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6119 states to 6119 states and 8388 transitions. [2019-10-13 20:21:11,711 INFO L78 Accepts]: Start accepts. Automaton has 6119 states and 8388 transitions. Word has length 38 [2019-10-13 20:21:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:11,711 INFO L462 AbstractCegarLoop]: Abstraction has 6119 states and 8388 transitions. [2019-10-13 20:21:11,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 6119 states and 8388 transitions. [2019-10-13 20:21:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-13 20:21:11,713 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:11,714 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:11,714 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:11,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:11,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1290066999, now seen corresponding path program 1 times [2019-10-13 20:21:11,714 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:11,715 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452987586] [2019-10-13 20:21:11,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:11,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:11,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:11,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452987586] [2019-10-13 20:21:11,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:11,866 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:11,866 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770446756] [2019-10-13 20:21:11,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:11,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:11,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:11,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:11,867 INFO L87 Difference]: Start difference. First operand 6119 states and 8388 transitions. Second operand 3 states. [2019-10-13 20:21:12,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:12,199 INFO L93 Difference]: Finished difference Result 6121 states and 8389 transitions. [2019-10-13 20:21:12,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:12,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-13 20:21:12,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:12,237 INFO L225 Difference]: With dead ends: 6121 [2019-10-13 20:21:12,237 INFO L226 Difference]: Without dead ends: 6118 [2019-10-13 20:21:12,242 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:12,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6118 states. [2019-10-13 20:21:12,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6118 to 6118. [2019-10-13 20:21:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6118 states. [2019-10-13 20:21:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 8386 transitions. [2019-10-13 20:21:12,675 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 8386 transitions. Word has length 39 [2019-10-13 20:21:12,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:12,676 INFO L462 AbstractCegarLoop]: Abstraction has 6118 states and 8386 transitions. [2019-10-13 20:21:12,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:12,676 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 8386 transitions. [2019-10-13 20:21:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-13 20:21:12,678 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:12,678 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:12,678 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:12,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:12,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1337880049, now seen corresponding path program 1 times [2019-10-13 20:21:12,679 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:12,679 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124946520] [2019-10-13 20:21:12,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:12,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:12,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:12,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124946520] [2019-10-13 20:21:12,807 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:12,807 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:12,807 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077837559] [2019-10-13 20:21:12,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:12,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:12,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:12,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:12,811 INFO L87 Difference]: Start difference. First operand 6118 states and 8386 transitions. Second operand 3 states. [2019-10-13 20:21:13,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:13,095 INFO L93 Difference]: Finished difference Result 6120 states and 8387 transitions. [2019-10-13 20:21:13,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:13,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-13 20:21:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:13,146 INFO L225 Difference]: With dead ends: 6120 [2019-10-13 20:21:13,146 INFO L226 Difference]: Without dead ends: 6117 [2019-10-13 20:21:13,153 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:13,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2019-10-13 20:21:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117. [2019-10-13 20:21:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6117 states. [2019-10-13 20:21:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8384 transitions. [2019-10-13 20:21:13,960 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8384 transitions. Word has length 40 [2019-10-13 20:21:13,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:13,961 INFO L462 AbstractCegarLoop]: Abstraction has 6117 states and 8384 transitions. [2019-10-13 20:21:13,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8384 transitions. [2019-10-13 20:21:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-13 20:21:13,965 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:13,965 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:13,965 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:13,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:13,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1474887564, now seen corresponding path program 1 times [2019-10-13 20:21:13,966 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:13,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248354638] [2019-10-13 20:21:13,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:13,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:13,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:14,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248354638] [2019-10-13 20:21:14,101 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:14,101 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:14,101 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905299047] [2019-10-13 20:21:14,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:14,103 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:14,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:14,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:14,103 INFO L87 Difference]: Start difference. First operand 6117 states and 8384 transitions. Second operand 3 states. [2019-10-13 20:21:14,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:14,504 INFO L93 Difference]: Finished difference Result 13489 states and 18580 transitions. [2019-10-13 20:21:14,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:14,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-13 20:21:14,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:14,558 INFO L225 Difference]: With dead ends: 13489 [2019-10-13 20:21:14,558 INFO L226 Difference]: Without dead ends: 7370 [2019-10-13 20:21:14,585 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7370 states. [2019-10-13 20:21:14,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7370 to 7320. [2019-10-13 20:21:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7320 states. [2019-10-13 20:21:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7320 states to 7320 states and 9965 transitions. [2019-10-13 20:21:14,963 INFO L78 Accepts]: Start accepts. Automaton has 7320 states and 9965 transitions. Word has length 41 [2019-10-13 20:21:14,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:14,963 INFO L462 AbstractCegarLoop]: Abstraction has 7320 states and 9965 transitions. [2019-10-13 20:21:14,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7320 states and 9965 transitions. [2019-10-13 20:21:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 20:21:14,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:14,974 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:14,974 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:14,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1002028891, now seen corresponding path program 1 times [2019-10-13 20:21:14,974 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:14,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477988246] [2019-10-13 20:21:14,975 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:14,975 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:14,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 20:21:15,128 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477988246] [2019-10-13 20:21:15,128 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:15,128 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:15,128 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308198679] [2019-10-13 20:21:15,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:15,129 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:15,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:15,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:15,130 INFO L87 Difference]: Start difference. First operand 7320 states and 9965 transitions. Second operand 3 states. [2019-10-13 20:21:15,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:15,430 INFO L93 Difference]: Finished difference Result 8578 states and 11533 transitions. [2019-10-13 20:21:15,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:15,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-13 20:21:15,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:15,462 INFO L225 Difference]: With dead ends: 8578 [2019-10-13 20:21:15,463 INFO L226 Difference]: Without dead ends: 7318 [2019-10-13 20:21:15,473 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:15,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2019-10-13 20:21:15,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 7286. [2019-10-13 20:21:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7286 states. [2019-10-13 20:21:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 9871 transitions. [2019-10-13 20:21:15,858 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 9871 transitions. Word has length 77 [2019-10-13 20:21:15,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:15,859 INFO L462 AbstractCegarLoop]: Abstraction has 7286 states and 9871 transitions. [2019-10-13 20:21:15,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 9871 transitions. [2019-10-13 20:21:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 20:21:15,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:15,878 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:21:15,878 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:15,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:15,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1652712763, now seen corresponding path program 1 times [2019-10-13 20:21:15,879 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:15,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938496615] [2019-10-13 20:21:15,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:15,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:15,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 20:21:16,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938496615] [2019-10-13 20:21:16,020 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:16,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:16,021 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433281845] [2019-10-13 20:21:16,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:16,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:16,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:16,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:16,022 INFO L87 Difference]: Start difference. First operand 7286 states and 9871 transitions. Second operand 3 states. [2019-10-13 20:21:16,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:16,413 INFO L93 Difference]: Finished difference Result 21660 states and 29287 transitions. [2019-10-13 20:21:16,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:16,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-13 20:21:16,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:16,471 INFO L225 Difference]: With dead ends: 21660 [2019-10-13 20:21:16,472 INFO L226 Difference]: Without dead ends: 14385 [2019-10-13 20:21:16,504 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:16,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14385 states. [2019-10-13 20:21:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14385 to 14366. [2019-10-13 20:21:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14366 states. [2019-10-13 20:21:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14366 states to 14366 states and 19401 transitions. [2019-10-13 20:21:17,148 INFO L78 Accepts]: Start accepts. Automaton has 14366 states and 19401 transitions. Word has length 148 [2019-10-13 20:21:17,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:17,149 INFO L462 AbstractCegarLoop]: Abstraction has 14366 states and 19401 transitions. [2019-10-13 20:21:17,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:17,149 INFO L276 IsEmpty]: Start isEmpty. Operand 14366 states and 19401 transitions. [2019-10-13 20:21:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 20:21:17,182 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:17,182 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:21:17,183 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:17,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:17,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1669055563, now seen corresponding path program 1 times [2019-10-13 20:21:17,183 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:17,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583493666] [2019-10-13 20:21:17,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:17,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:17,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-13 20:21:17,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583493666] [2019-10-13 20:21:17,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:17,342 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:17,342 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707415416] [2019-10-13 20:21:17,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:17,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:17,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:17,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:17,343 INFO L87 Difference]: Start difference. First operand 14366 states and 19401 transitions. Second operand 3 states. [2019-10-13 20:21:18,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:18,227 INFO L93 Difference]: Finished difference Result 38968 states and 52553 transitions. [2019-10-13 20:21:18,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:18,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-13 20:21:18,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:18,325 INFO L225 Difference]: With dead ends: 38968 [2019-10-13 20:21:18,325 INFO L226 Difference]: Without dead ends: 24613 [2019-10-13 20:21:18,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:18,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24613 states. [2019-10-13 20:21:19,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24613 to 24594. [2019-10-13 20:21:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24594 states. [2019-10-13 20:21:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24594 states to 24594 states and 33129 transitions. [2019-10-13 20:21:19,492 INFO L78 Accepts]: Start accepts. Automaton has 24594 states and 33129 transitions. Word has length 150 [2019-10-13 20:21:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:19,492 INFO L462 AbstractCegarLoop]: Abstraction has 24594 states and 33129 transitions. [2019-10-13 20:21:19,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:19,493 INFO L276 IsEmpty]: Start isEmpty. Operand 24594 states and 33129 transitions. [2019-10-13 20:21:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-13 20:21:19,550 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:19,550 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:21:19,551 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:19,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1219918147, now seen corresponding path program 1 times [2019-10-13 20:21:19,552 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:19,552 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25849407] [2019-10-13 20:21:19,552 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:19,552 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:19,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-13 20:21:19,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25849407] [2019-10-13 20:21:19,704 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:19,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:19,705 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354364616] [2019-10-13 20:21:19,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:19,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:19,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:19,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:19,706 INFO L87 Difference]: Start difference. First operand 24594 states and 33129 transitions. Second operand 3 states. [2019-10-13 20:21:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:20,472 INFO L93 Difference]: Finished difference Result 49201 states and 66327 transitions. [2019-10-13 20:21:20,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:20,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-10-13 20:21:20,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:20,565 INFO L225 Difference]: With dead ends: 49201 [2019-10-13 20:21:20,565 INFO L226 Difference]: Without dead ends: 24618 [2019-10-13 20:21:20,629 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24618 states. [2019-10-13 20:21:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24618 to 24618. [2019-10-13 20:21:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24618 states. [2019-10-13 20:21:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24618 states to 24618 states and 33153 transitions. [2019-10-13 20:21:22,439 INFO L78 Accepts]: Start accepts. Automaton has 24618 states and 33153 transitions. Word has length 173 [2019-10-13 20:21:22,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:22,440 INFO L462 AbstractCegarLoop]: Abstraction has 24618 states and 33153 transitions. [2019-10-13 20:21:22,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:22,441 INFO L276 IsEmpty]: Start isEmpty. Operand 24618 states and 33153 transitions. [2019-10-13 20:21:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-13 20:21:22,512 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:22,513 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:21:22,513 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:22,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:22,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1926514753, now seen corresponding path program 1 times [2019-10-13 20:21:22,514 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:22,514 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850578934] [2019-10-13 20:21:22,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:22,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:22,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 20:21:23,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850578934] [2019-10-13 20:21:23,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:23,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-13 20:21:23,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030898243] [2019-10-13 20:21:23,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-13 20:21:23,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:23,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-13 20:21:23,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-10-13 20:21:23,257 INFO L87 Difference]: Start difference. First operand 24618 states and 33153 transitions. Second operand 17 states. [2019-10-13 20:21:24,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:24,368 INFO L93 Difference]: Finished difference Result 51009 states and 69447 transitions. [2019-10-13 20:21:24,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 20:21:24,368 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 173 [2019-10-13 20:21:24,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:24,469 INFO L225 Difference]: With dead ends: 51009 [2019-10-13 20:21:24,469 INFO L226 Difference]: Without dead ends: 26402 [2019-10-13 20:21:24,527 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2019-10-13 20:21:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26402 states. [2019-10-13 20:21:25,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26402 to 25538. [2019-10-13 20:21:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25538 states. [2019-10-13 20:21:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25538 states to 25538 states and 34265 transitions. [2019-10-13 20:21:25,653 INFO L78 Accepts]: Start accepts. Automaton has 25538 states and 34265 transitions. Word has length 173 [2019-10-13 20:21:25,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:25,653 INFO L462 AbstractCegarLoop]: Abstraction has 25538 states and 34265 transitions. [2019-10-13 20:21:25,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-13 20:21:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 25538 states and 34265 transitions. [2019-10-13 20:21:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-13 20:21:25,685 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:25,686 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 20:21:25,686 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:25,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:25,687 INFO L82 PathProgramCache]: Analyzing trace with hash 375323277, now seen corresponding path program 1 times [2019-10-13 20:21:25,687 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:25,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95723010] [2019-10-13 20:21:25,687 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:25,687 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:25,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 20:21:27,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95723010] [2019-10-13 20:21:27,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77864811] [2019-10-13 20:21:27,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:21:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:27,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 88 conjunts are in the unsatisfiable core [2019-10-13 20:21:27,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:21:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 20:21:28,428 INFO L321 TraceCheckSpWp]: Computing backward predicates...