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 0.1.24-13a467a-m [2019-10-15 00:20:02,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:20:02,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:20:02,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:20:02,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:20:02,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:20:02,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:20:02,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:20:02,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:20:02,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:20:02,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:20:02,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:20:02,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:20:02,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:20:02,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:20:02,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:20:02,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:20:02,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:20:02,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:20:02,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:20:02,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:20:02,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:20:02,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:20:02,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:20:02,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:20:02,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:20:02,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:20:02,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:20:02,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:20:02,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:20:02,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:20:02,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:20:02,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:20:02,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:20:02,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:20:02,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:20:02,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:20:02,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:20:02,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:20:02,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:20:02,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:20:02,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 00:20:02,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:20:02,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:20:02,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:20:02,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:20:02,160 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:20:02,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:20:02,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:20:02,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:20:02,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:20:02,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:20:02,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:20:02,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:20:02,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:20:02,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:20:02,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:20:02,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:20:02,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:20:02,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:20:02,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:20:02,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:20:02,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:20:02,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:20:02,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:20:02,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:20:02,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:20:02,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:20:02,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:20:02,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:20:02,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:20:02,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:20:02,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:20:02,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:20:02,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:20:02,481 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:20:02,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-15 00:20:02,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32271391/192b23824885428ab6b766ea6c934dea/FLAGd1c7db0f3 [2019-10-15 00:20:03,390 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:20:03,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-15 00:20:03,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32271391/192b23824885428ab6b766ea6c934dea/FLAGd1c7db0f3 [2019-10-15 00:20:03,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32271391/192b23824885428ab6b766ea6c934dea [2019-10-15 00:20:03,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:20:03,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:20:03,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:03,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:20:03,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:20:03,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:03" (1/1) ... [2019-10-15 00:20:03,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0b3c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:03, skipping insertion in model container [2019-10-15 00:20:03,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:03" (1/1) ... [2019-10-15 00:20:03,903 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:20:03,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:20:05,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:05,346 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:20:05,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:05,716 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:20:05,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05 WrapperNode [2019-10-15 00:20:05,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:05,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:20:05,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:20:05,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:20:05,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:05,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... [2019-10-15 00:20:06,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:20:06,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:20:06,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:20:06,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:20:06,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:20:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:20:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:20:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:20:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:20:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:20:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:20:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:20:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:20:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:20:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-15 00:20:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-15 00:20:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-15 00:20:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-15 00:20:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-15 00:20:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 00:20:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 00:20:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 00:20:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-15 00:20:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-15 00:20:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-15 00:20:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 00:20:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 00:20:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-15 00:20:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-15 00:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-15 00:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-15 00:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-15 00:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-15 00:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-15 00:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-15 00:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-15 00:20:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-15 00:20:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-15 00:20:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-15 00:20:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-15 00:20:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-15 00:20:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-15 00:20:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-15 00:20:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-15 00:20:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-15 00:20:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-15 00:20:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-15 00:20:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-15 00:20:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-15 00:20:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-15 00:20:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-15 00:20:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-15 00:20:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-15 00:20:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-15 00:20:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-15 00:20:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-15 00:20:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:20:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-15 00:20:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-15 00:20:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-15 00:20:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-15 00:20:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-15 00:20:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-15 00:20:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-15 00:20:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-15 00:20:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-15 00:20:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-15 00:20:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-15 00:20:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-15 00:20:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-15 00:20:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-15 00:20:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-15 00:20:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-15 00:20:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-15 00:20:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:20:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:20:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 00:20:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:20:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:20:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:20:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 00:20:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-15 00:20:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-15 00:20:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-15 00:20:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-15 00:20:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:20:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-15 00:20:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-15 00:20:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-15 00:20:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2019-10-15 00:20:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2019-10-15 00:20:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_6 [2019-10-15 00:20:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_setup_7 [2019-10-15 00:20:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:20:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:20:06,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:20:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-15 00:20:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-15 00:20:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:20:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-15 00:20:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-15 00:20:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 00:20:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 00:20:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:20:06,131 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:20:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:20:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:20:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:20:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:20:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 00:20:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 00:20:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 00:20:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:20:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:20:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:20:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:20:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:20:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:20:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:20:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:20:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-15 00:20:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-15 00:20:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:20:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:20:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-15 00:20:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:20:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_6 [2019-10-15 00:20:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2019-10-15 00:20:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_setup_7 [2019-10-15 00:20:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2019-10-15 00:20:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-15 00:20:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-15 00:20:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:20:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:20:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 00:20:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:20:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 00:20:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-15 00:20:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-15 00:20:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-15 00:20:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-15 00:20:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-15 00:20:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-15 00:20:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-15 00:20:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-15 00:20:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-15 00:20:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-15 00:20:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-15 00:20:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-15 00:20:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-15 00:20:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-15 00:20:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-15 00:20:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-15 00:20:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-15 00:20:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-15 00:20:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-15 00:20:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-15 00:20:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-15 00:20:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-15 00:20:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:20:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:20:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-15 00:20:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-15 00:20:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 00:20:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:20:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-15 00:20:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-15 00:20:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:20:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:20:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-15 00:20:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-15 00:20:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:20:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-15 00:20:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-15 00:20:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-15 00:20:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-15 00:20:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-15 00:20:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-15 00:20:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-15 00:20:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-15 00:20:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:20:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:20:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:20:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:20:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 00:20:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 00:20:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:06,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:06,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-15 00:20:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:20:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:20:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:20:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:20:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:20:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:20:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:20:09,400 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:20:09,401 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:20:09,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:09 BoogieIcfgContainer [2019-10-15 00:20:09,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:20:09,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:20:09,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:20:09,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:20:09,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:20:03" (1/3) ... [2019-10-15 00:20:09,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249b6b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:09, skipping insertion in model container [2019-10-15 00:20:09,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:05" (2/3) ... [2019-10-15 00:20:09,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249b6b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:20:09, skipping insertion in model container [2019-10-15 00:20:09,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:20:09" (3/3) ... [2019-10-15 00:20:09,418 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2019-10-15 00:20:09,429 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:20:09,441 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:20:09,453 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:20:09,503 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:20:09,503 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:20:09,504 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:20:09,504 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:20:09,504 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:20:09,504 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:20:09,504 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:20:09,504 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:20:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states. [2019-10-15 00:20:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-15 00:20:09,571 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:09,573 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] [2019-10-15 00:20:09,575 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:09,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:09,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1883563716, now seen corresponding path program 1 times [2019-10-15 00:20:09,589 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:09,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390685308] [2019-10-15 00:20:09,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:09,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:09,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:10,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390685308] [2019-10-15 00:20:10,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:10,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:10,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87363476] [2019-10-15 00:20:10,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:10,193 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:10,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:10,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:10,208 INFO L87 Difference]: Start difference. First operand 971 states. Second operand 3 states. [2019-10-15 00:20:10,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:10,510 INFO L93 Difference]: Finished difference Result 2472 states and 3471 transitions. [2019-10-15 00:20:10,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:10,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-15 00:20:10,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:10,551 INFO L225 Difference]: With dead ends: 2472 [2019-10-15 00:20:10,552 INFO L226 Difference]: Without dead ends: 1624 [2019-10-15 00:20:10,567 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:10,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2019-10-15 00:20:10,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1603. [2019-10-15 00:20:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1603 states. [2019-10-15 00:20:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2195 transitions. [2019-10-15 00:20:10,776 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2195 transitions. Word has length 37 [2019-10-15 00:20:10,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:10,776 INFO L462 AbstractCegarLoop]: Abstraction has 1603 states and 2195 transitions. [2019-10-15 00:20:10,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2195 transitions. [2019-10-15 00:20:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-15 00:20:10,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:10,797 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:20:10,797 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:10,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:10,797 INFO L82 PathProgramCache]: Analyzing trace with hash -633769266, now seen corresponding path program 1 times [2019-10-15 00:20:10,798 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:10,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057697748] [2019-10-15 00:20:10,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:10,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:10,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:11,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057697748] [2019-10-15 00:20:11,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:11,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:11,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751055743] [2019-10-15 00:20:11,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:11,045 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:11,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:11,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:11,046 INFO L87 Difference]: Start difference. First operand 1603 states and 2195 transitions. Second operand 3 states. [2019-10-15 00:20:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:11,493 INFO L93 Difference]: Finished difference Result 4746 states and 6515 transitions. [2019-10-15 00:20:11,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:11,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-15 00:20:11,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:11,523 INFO L225 Difference]: With dead ends: 4746 [2019-10-15 00:20:11,523 INFO L226 Difference]: Without dead ends: 3154 [2019-10-15 00:20:11,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:11,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2019-10-15 00:20:11,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3150. [2019-10-15 00:20:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3150 states. [2019-10-15 00:20:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4322 transitions. [2019-10-15 00:20:11,810 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4322 transitions. Word has length 34 [2019-10-15 00:20:11,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:11,810 INFO L462 AbstractCegarLoop]: Abstraction has 3150 states and 4322 transitions. [2019-10-15 00:20:11,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4322 transitions. [2019-10-15 00:20:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 00:20:11,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:11,814 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] [2019-10-15 00:20:11,814 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:11,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:11,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1131553523, now seen corresponding path program 1 times [2019-10-15 00:20:11,815 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:11,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758458450] [2019-10-15 00:20:11,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:11,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:11,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:11,968 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758458450] [2019-10-15 00:20:11,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:11,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:11,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860654070] [2019-10-15 00:20:11,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:11,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:11,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:11,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:11,971 INFO L87 Difference]: Start difference. First operand 3150 states and 4322 transitions. Second operand 3 states. [2019-10-15 00:20:12,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:12,280 INFO L93 Difference]: Finished difference Result 9280 states and 12728 transitions. [2019-10-15 00:20:12,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:12,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-15 00:20:12,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:12,347 INFO L225 Difference]: With dead ends: 9280 [2019-10-15 00:20:12,348 INFO L226 Difference]: Without dead ends: 6141 [2019-10-15 00:20:12,366 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:12,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2019-10-15 00:20:12,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 6120. [2019-10-15 00:20:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6120 states. [2019-10-15 00:20:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6120 states to 6120 states and 8390 transitions. [2019-10-15 00:20:12,829 INFO L78 Accepts]: Start accepts. Automaton has 6120 states and 8390 transitions. Word has length 39 [2019-10-15 00:20:12,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:12,830 INFO L462 AbstractCegarLoop]: Abstraction has 6120 states and 8390 transitions. [2019-10-15 00:20:12,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 6120 states and 8390 transitions. [2019-10-15 00:20:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-15 00:20:12,834 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:12,835 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] [2019-10-15 00:20:12,835 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:12,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:12,836 INFO L82 PathProgramCache]: Analyzing trace with hash 374043500, now seen corresponding path program 1 times [2019-10-15 00:20:12,836 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:12,836 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526683754] [2019-10-15 00:20:12,836 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:12,836 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:12,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:13,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526683754] [2019-10-15 00:20:13,000 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:13,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:13,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021335108] [2019-10-15 00:20:13,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:13,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:13,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:13,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:13,003 INFO L87 Difference]: Start difference. First operand 6120 states and 8390 transitions. Second operand 3 states. [2019-10-15 00:20:13,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:13,283 INFO L93 Difference]: Finished difference Result 6122 states and 8391 transitions. [2019-10-15 00:20:13,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:13,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-15 00:20:13,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:13,324 INFO L225 Difference]: With dead ends: 6122 [2019-10-15 00:20:13,324 INFO L226 Difference]: Without dead ends: 6119 [2019-10-15 00:20:13,329 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:13,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2019-10-15 00:20:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 6119. [2019-10-15 00:20:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6119 states. [2019-10-15 00:20:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6119 states to 6119 states and 8388 transitions. [2019-10-15 00:20:13,619 INFO L78 Accepts]: Start accepts. Automaton has 6119 states and 8388 transitions. Word has length 38 [2019-10-15 00:20:13,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:13,620 INFO L462 AbstractCegarLoop]: Abstraction has 6119 states and 8388 transitions. [2019-10-15 00:20:13,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 6119 states and 8388 transitions. [2019-10-15 00:20:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 00:20:13,624 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:13,624 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] [2019-10-15 00:20:13,624 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:13,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:13,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1290066999, now seen corresponding path program 1 times [2019-10-15 00:20:13,625 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:13,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412603524] [2019-10-15 00:20:13,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:13,626 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:13,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:13,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412603524] [2019-10-15 00:20:13,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:13,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:13,807 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92148946] [2019-10-15 00:20:13,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:13,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:13,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:13,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:13,812 INFO L87 Difference]: Start difference. First operand 6119 states and 8388 transitions. Second operand 3 states. [2019-10-15 00:20:14,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:14,207 INFO L93 Difference]: Finished difference Result 6121 states and 8389 transitions. [2019-10-15 00:20:14,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:14,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-15 00:20:14,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:14,245 INFO L225 Difference]: With dead ends: 6121 [2019-10-15 00:20:14,245 INFO L226 Difference]: Without dead ends: 6118 [2019-10-15 00:20:14,249 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6118 states. [2019-10-15 00:20:14,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6118 to 6118. [2019-10-15 00:20:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6118 states. [2019-10-15 00:20:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 8386 transitions. [2019-10-15 00:20:14,581 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 8386 transitions. Word has length 39 [2019-10-15 00:20:14,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:14,582 INFO L462 AbstractCegarLoop]: Abstraction has 6118 states and 8386 transitions. [2019-10-15 00:20:14,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 8386 transitions. [2019-10-15 00:20:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-15 00:20:14,585 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:14,585 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] [2019-10-15 00:20:14,586 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:14,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:14,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1337880049, now seen corresponding path program 1 times [2019-10-15 00:20:14,586 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:14,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806134659] [2019-10-15 00:20:14,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:14,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:14,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:14,737 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806134659] [2019-10-15 00:20:14,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:14,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:14,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796359400] [2019-10-15 00:20:14,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:14,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:14,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:14,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:14,741 INFO L87 Difference]: Start difference. First operand 6118 states and 8386 transitions. Second operand 3 states. [2019-10-15 00:20:15,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:15,578 INFO L93 Difference]: Finished difference Result 6120 states and 8387 transitions. [2019-10-15 00:20:15,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:15,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-15 00:20:15,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:15,637 INFO L225 Difference]: With dead ends: 6120 [2019-10-15 00:20:15,637 INFO L226 Difference]: Without dead ends: 6117 [2019-10-15 00:20:15,641 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:15,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2019-10-15 00:20:15,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117. [2019-10-15 00:20:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6117 states. [2019-10-15 00:20:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8384 transitions. [2019-10-15 00:20:15,912 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8384 transitions. Word has length 40 [2019-10-15 00:20:15,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:15,913 INFO L462 AbstractCegarLoop]: Abstraction has 6117 states and 8384 transitions. [2019-10-15 00:20:15,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8384 transitions. [2019-10-15 00:20:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 00:20:15,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:15,916 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] [2019-10-15 00:20:15,917 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:15,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:15,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1474887564, now seen corresponding path program 1 times [2019-10-15 00:20:15,917 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:15,918 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794045749] [2019-10-15 00:20:15,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:15,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:15,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:20:16,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794045749] [2019-10-15 00:20:16,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:16,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:16,053 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945708543] [2019-10-15 00:20:16,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:16,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:16,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:16,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:16,056 INFO L87 Difference]: Start difference. First operand 6117 states and 8384 transitions. Second operand 3 states. [2019-10-15 00:20:16,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:16,502 INFO L93 Difference]: Finished difference Result 13489 states and 18580 transitions. [2019-10-15 00:20:16,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:16,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-15 00:20:16,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:16,566 INFO L225 Difference]: With dead ends: 13489 [2019-10-15 00:20:16,567 INFO L226 Difference]: Without dead ends: 7370 [2019-10-15 00:20:16,602 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:16,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7370 states. [2019-10-15 00:20:17,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7370 to 7320. [2019-10-15 00:20:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7320 states. [2019-10-15 00:20:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7320 states to 7320 states and 9965 transitions. [2019-10-15 00:20:17,103 INFO L78 Accepts]: Start accepts. Automaton has 7320 states and 9965 transitions. Word has length 41 [2019-10-15 00:20:17,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:17,106 INFO L462 AbstractCegarLoop]: Abstraction has 7320 states and 9965 transitions. [2019-10-15 00:20:17,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 7320 states and 9965 transitions. [2019-10-15 00:20:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 00:20:17,115 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:17,116 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] [2019-10-15 00:20:17,116 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:17,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:17,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1002028891, now seen corresponding path program 1 times [2019-10-15 00:20:17,117 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:17,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68166455] [2019-10-15 00:20:17,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:17,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:17,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 00:20:17,268 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68166455] [2019-10-15 00:20:17,268 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:17,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:17,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630422280] [2019-10-15 00:20:17,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:17,269 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:17,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:17,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:17,270 INFO L87 Difference]: Start difference. First operand 7320 states and 9965 transitions. Second operand 3 states. [2019-10-15 00:20:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:17,593 INFO L93 Difference]: Finished difference Result 8578 states and 11533 transitions. [2019-10-15 00:20:17,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:17,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-15 00:20:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:17,633 INFO L225 Difference]: With dead ends: 8578 [2019-10-15 00:20:17,634 INFO L226 Difference]: Without dead ends: 7318 [2019-10-15 00:20:17,643 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:17,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2019-10-15 00:20:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 7286. [2019-10-15 00:20:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7286 states. [2019-10-15 00:20:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 9871 transitions. [2019-10-15 00:20:18,046 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 9871 transitions. Word has length 77 [2019-10-15 00:20:18,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:18,048 INFO L462 AbstractCegarLoop]: Abstraction has 7286 states and 9871 transitions. [2019-10-15 00:20:18,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:18,048 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 9871 transitions. [2019-10-15 00:20:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 00:20:18,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:18,078 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] [2019-10-15 00:20:18,078 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:18,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:18,079 INFO L82 PathProgramCache]: Analyzing trace with hash 897760997, now seen corresponding path program 1 times [2019-10-15 00:20:18,079 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:18,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170689719] [2019-10-15 00:20:18,079 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:18,080 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:18,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:20:18,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170689719] [2019-10-15 00:20:18,261 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:18,261 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:18,262 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700320640] [2019-10-15 00:20:18,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:18,263 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:18,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:18,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:18,264 INFO L87 Difference]: Start difference. First operand 7286 states and 9871 transitions. Second operand 3 states. [2019-10-15 00:20:18,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:18,737 INFO L93 Difference]: Finished difference Result 21660 states and 29287 transitions. [2019-10-15 00:20:18,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:18,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-15 00:20:18,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:18,815 INFO L225 Difference]: With dead ends: 21660 [2019-10-15 00:20:18,815 INFO L226 Difference]: Without dead ends: 14385 [2019-10-15 00:20:18,850 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:18,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14385 states. [2019-10-15 00:20:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14385 to 14366. [2019-10-15 00:20:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14366 states. [2019-10-15 00:20:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14366 states to 14366 states and 19401 transitions. [2019-10-15 00:20:19,530 INFO L78 Accepts]: Start accepts. Automaton has 14366 states and 19401 transitions. Word has length 149 [2019-10-15 00:20:19,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:19,530 INFO L462 AbstractCegarLoop]: Abstraction has 14366 states and 19401 transitions. [2019-10-15 00:20:19,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 14366 states and 19401 transitions. [2019-10-15 00:20:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 00:20:19,567 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:19,568 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] [2019-10-15 00:20:19,568 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:19,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:19,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1669055563, now seen corresponding path program 1 times [2019-10-15 00:20:19,569 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:19,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971808636] [2019-10-15 00:20:19,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:19,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:19,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:20:19,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971808636] [2019-10-15 00:20:19,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:19,715 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:19,715 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673786218] [2019-10-15 00:20:19,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:19,716 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:19,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:19,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:19,716 INFO L87 Difference]: Start difference. First operand 14366 states and 19401 transitions. Second operand 3 states. [2019-10-15 00:20:20,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:20,566 INFO L93 Difference]: Finished difference Result 38968 states and 52553 transitions. [2019-10-15 00:20:20,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:20,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-15 00:20:20,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:20,676 INFO L225 Difference]: With dead ends: 38968 [2019-10-15 00:20:20,676 INFO L226 Difference]: Without dead ends: 24613 [2019-10-15 00:20:20,721 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:20,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24613 states. [2019-10-15 00:20:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24613 to 24594. [2019-10-15 00:20:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24594 states. [2019-10-15 00:20:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24594 states to 24594 states and 33129 transitions. [2019-10-15 00:20:21,930 INFO L78 Accepts]: Start accepts. Automaton has 24594 states and 33129 transitions. Word has length 150 [2019-10-15 00:20:21,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:21,931 INFO L462 AbstractCegarLoop]: Abstraction has 24594 states and 33129 transitions. [2019-10-15 00:20:21,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 24594 states and 33129 transitions. [2019-10-15 00:20:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 00:20:21,990 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:21,990 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] [2019-10-15 00:20:21,991 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:21,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:21,991 INFO L82 PathProgramCache]: Analyzing trace with hash 911374317, now seen corresponding path program 1 times [2019-10-15 00:20:21,991 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:21,992 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690812712] [2019-10-15 00:20:21,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:21,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:21,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-15 00:20:22,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690812712] [2019-10-15 00:20:22,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:22,131 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:20:22,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743046045] [2019-10-15 00:20:22,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:20:22,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:22,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:20:22,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:22,133 INFO L87 Difference]: Start difference. First operand 24594 states and 33129 transitions. Second operand 3 states. [2019-10-15 00:20:22,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:22,864 INFO L93 Difference]: Finished difference Result 49201 states and 66327 transitions. [2019-10-15 00:20:22,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:20:22,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-15 00:20:22,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:22,979 INFO L225 Difference]: With dead ends: 49201 [2019-10-15 00:20:22,979 INFO L226 Difference]: Without dead ends: 24618 [2019-10-15 00:20:23,040 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:20:23,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24618 states. [2019-10-15 00:20:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24618 to 24618. [2019-10-15 00:20:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24618 states. [2019-10-15 00:20:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24618 states to 24618 states and 33153 transitions. [2019-10-15 00:20:24,921 INFO L78 Accepts]: Start accepts. Automaton has 24618 states and 33153 transitions. Word has length 172 [2019-10-15 00:20:24,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:24,922 INFO L462 AbstractCegarLoop]: Abstraction has 24618 states and 33153 transitions. [2019-10-15 00:20:24,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:20:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 24618 states and 33153 transitions. [2019-10-15 00:20:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-15 00:20:24,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:24,980 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] [2019-10-15 00:20:24,980 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:24,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:24,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1926514753, now seen corresponding path program 1 times [2019-10-15 00:20:24,981 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:24,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590391822] [2019-10-15 00:20:24,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:24,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:24,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 00:20:25,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590391822] [2019-10-15 00:20:25,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:20:25,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-15 00:20:25,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563230240] [2019-10-15 00:20:25,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-15 00:20:25,696 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:25,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-15 00:20:25,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-10-15 00:20:25,697 INFO L87 Difference]: Start difference. First operand 24618 states and 33153 transitions. Second operand 17 states. [2019-10-15 00:20:26,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:20:26,858 INFO L93 Difference]: Finished difference Result 51009 states and 69447 transitions. [2019-10-15 00:20:26,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 00:20:26,858 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 173 [2019-10-15 00:20:26,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:20:26,959 INFO L225 Difference]: With dead ends: 51009 [2019-10-15 00:20:26,960 INFO L226 Difference]: Without dead ends: 26402 [2019-10-15 00:20:27,013 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 [2019-10-15 00:20:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26402 states. [2019-10-15 00:20:27,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26402 to 25538. [2019-10-15 00:20:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25538 states. [2019-10-15 00:20:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25538 states to 25538 states and 34265 transitions. [2019-10-15 00:20:27,773 INFO L78 Accepts]: Start accepts. Automaton has 25538 states and 34265 transitions. Word has length 173 [2019-10-15 00:20:27,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:20:27,774 INFO L462 AbstractCegarLoop]: Abstraction has 25538 states and 34265 transitions. [2019-10-15 00:20:27,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-15 00:20:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 25538 states and 34265 transitions. [2019-10-15 00:20:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-15 00:20:27,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:20:27,828 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] [2019-10-15 00:20:27,829 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:20:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:20:27,829 INFO L82 PathProgramCache]: Analyzing trace with hash 375323277, now seen corresponding path program 1 times [2019-10-15 00:20:27,829 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:20:27,830 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313193377] [2019-10-15 00:20:27,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:27,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:20:27,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:20:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 00:20:29,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313193377] [2019-10-15 00:20:29,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027961778] [2019-10-15 00:20:29,429 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 [2019-10-15 00:20:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:20:30,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 88 conjunts are in the unsatisfiable core [2019-10-15 00:20:30,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 00:20:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 00:20:30,718 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 00:20:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-15 00:20:32,644 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-15 00:20:32,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [19, 9] imperfect sequences [21] total 38 [2019-10-15 00:20:32,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285800336] [2019-10-15 00:20:32,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-15 00:20:32,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:20:32,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-15 00:20:32,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1316, Unknown=0, NotChecked=0, Total=1406 [2019-10-15 00:20:32,646 INFO L87 Difference]: Start difference. First operand 25538 states and 34265 transitions. Second operand 26 states.