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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 11:28:29,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:28:29,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:28:29,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:28:29,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:28:29,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:28:29,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:28:29,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:28:29,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:28:29,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:28:29,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:28:29,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:28:29,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:28:29,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:28:29,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:28:29,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:28:29,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:28:29,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:28:29,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:28:29,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:28:29,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:28:29,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:28:29,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:28:29,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:28:29,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:28:29,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:28:29,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:28:29,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:28:29,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:28:29,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:28:29,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:28:29,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:28:29,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:28:29,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:28:29,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:28:29,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:28:29,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:28:29,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:28:29,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:28:29,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:28:29,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:28:29,582 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 [2019-10-07 11:28:29,601 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:28:29,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:28:29,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:28:29,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:28:29,603 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:28:29,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:28:29,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:28:29,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:28:29,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:28:29,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:28:29,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:28:29,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:28:29,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:28:29,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:28:29,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:28:29,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:28:29,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:28:29,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:28:29,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:28:29,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:28:29,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:28:29,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:28:29,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:28:29,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:28:29,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:28:29,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:28:29,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:28:29,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:28:29,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 11:28:29,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:28:29,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:28:29,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:28:29,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:28:29,898 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:28:29,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2019-10-07 11:28:29,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca69389e/ab85d2dde47e456f89c74b4e930bfa69/FLAG24cddd0a2 [2019-10-07 11:28:30,785 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:28:30,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2019-10-07 11:28:30,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca69389e/ab85d2dde47e456f89c74b4e930bfa69/FLAG24cddd0a2 [2019-10-07 11:28:30,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca69389e/ab85d2dde47e456f89c74b4e930bfa69 [2019-10-07 11:28:30,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:28:30,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:28:30,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:28:30,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:28:30,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:28:30,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:28:30" (1/1) ... [2019-10-07 11:28:30,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54268d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:30, skipping insertion in model container [2019-10-07 11:28:30,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:28:30" (1/1) ... [2019-10-07 11:28:30,902 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:28:31,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:28:32,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:28:33,075 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:28:33,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:28:33,713 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:28:33,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33 WrapperNode [2019-10-07 11:28:33,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:28:33,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:28:33,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:28:33,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:28:33,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (1/1) ... [2019-10-07 11:28:33,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (1/1) ... [2019-10-07 11:28:33,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (1/1) ... [2019-10-07 11:28:33,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (1/1) ... [2019-10-07 11:28:33,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (1/1) ... [2019-10-07 11:28:34,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (1/1) ... [2019-10-07 11:28:34,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (1/1) ... [2019-10-07 11:28:34,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:28:34,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:28:34,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:28:34,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:28:34,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (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 [2019-10-07 11:28:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:28:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:28:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-07 11:28:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-07 11:28:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2019-10-07 11:28:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR_OR_ZERO [2019-10-07 11:28:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:28:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:28:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:28:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:28:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:28:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:28:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:28:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:28:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 11:28:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-07 11:28:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 11:28:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-07 11:28:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-07 11:28:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2019-10-07 11:28:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2019-10-07 11:28:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2019-10-07 11:28:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2019-10-07 11:28:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2019-10-07 11:28:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2019-10-07 11:28:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2019-10-07 11:28:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2019-10-07 11:28:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2019-10-07 11:28:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2019-10-07 11:28:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2019-10-07 11:28:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_over [2019-10-07 11:28:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_over [2019-10-07 11:28:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_hyst [2019-10-07 11:28:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_hyst [2019-10-07 11:28:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2019-10-07 11:28:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2019-10-07 11:28:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2019-10-07 11:28:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2019-10-07 11:28:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2019-10-07 11:28:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure show_vid [2019-10-07 11:28:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarms [2019-10-07 11:28:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2019-10-07 11:28:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_alias_detect [2019-10-07 11:28:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_data_if_isa [2019-10-07 11:28:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_detect [2019-10-07 11:28:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_probe [2019-10-07 11:28:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_read_value [2019-10-07 11:28:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_write_value [2019-10-07 11:28:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_init_device [2019-10-07 11:28:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_update_device [2019-10-07 11:28:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_register [2019-10-07 11:28:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_unregister [2019-10-07 11:28:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_lm78_init [2019-10-07 11:28:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_lm78_exit [2019-10-07 11:28:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_1 [2019-10-07 11:28:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_40 [2019-10-07 11:28:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_46 [2019-10-07 11:28:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_36 [2019-10-07 11:28:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_39 [2019-10-07 11:28:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_27 [2019-10-07 11:28:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_34 [2019-10-07 11:28:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_31 [2019-10-07 11:28:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_18 [2019-10-07 11:28:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_30 [2019-10-07 11:28:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_28 [2019-10-07 11:28:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_25 [2019-10-07 11:28:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_42 [2019-10-07 11:28:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_24 [2019-10-07 11:28:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_45 [2019-10-07 11:28:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_20 [2019-10-07 11:28:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_43 [2019-10-07 11:28:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_22 [2019-10-07 11:28:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_37 [2019-10-07 11:28:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_17 [2019-10-07 11:28:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_33 [2019-10-07 11:28:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_sensor_device_attribute_16 [2019-10-07 11:28:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:28:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 11:28:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 11:28:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-07 11:28:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-07 11:28:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-07 11:28:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-07 11:28:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 11:28:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-07 11:28:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-07 11:28:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-07 11:28:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-07 11:28:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-07 11:28:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-07 11:28:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-07 11:28:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-07 11:28:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-07 11:28:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-07 11:28:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-07 11:28:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:28:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 11:28:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:28:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:28:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:28:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:28:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:28:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:28:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 11:28:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 11:28:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:28:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 11:28:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 11:28:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-07 11:28:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-07 11:28:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:28:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-07 11:28:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:28:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:28:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:28:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:28:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:28:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:28:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:28:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:28:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:28:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:28:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:28:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_lm78_data [2019-10-07 11:28:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_lm78_data [2019-10-07 11:28:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_lm78_data [2019-10-07 11:28:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_lm78_data [2019-10-07 11:28:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_lm78_data [2019-10-07 11:28:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_lm78_data [2019-10-07 11:28:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2019-10-07 11:28:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_update_lock_of_lm78_data [2019-10-07 11:28:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_update_lock_of_lm78_data [2019-10-07 11:28:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_update_lock_of_lm78_data [2019-10-07 11:28:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_update_lock_of_lm78_data [2019-10-07 11:28:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:28:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 11:28:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 11:28:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 11:28:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_hwmon_device_register_with_groups [2019-10-07 11:28:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-07 11:28:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-07 11:28:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-07 11:28:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-10-07 11:28:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-10-07 11:28:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2019-10-07 11:28:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-07 11:28:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:28:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-07 11:28:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 11:28:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 11:28:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 11:28:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 11:28:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_from_reg [2019-10-07 11:28:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:28:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:28:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:28:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:28:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:28:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 11:28:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 11:28:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-07 11:28:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2019-10-07 11:28:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-07 11:28:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2019-10-07 11:28:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 11:28:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:28:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:28:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:28:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 11:28:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 11:28:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 11:28:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR_OR_ZERO [2019-10-07 11:28:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 11:28:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 11:28:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-07 11:28:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 11:28:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-07 11:28:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 11:28:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-07 11:28:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-07 11:28:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-07 11:28:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-07 11:28:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-07 11:28:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-07 11:28:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-07 11:28:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-07 11:28:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-07 11:28:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-07 11:28:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:28:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:28:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:28:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:28:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:28:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:28:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:28:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:28:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:28:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:28:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:28:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:28:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:28:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:28:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:28:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:28:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:28:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 11:28:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-07 11:28:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-07 11:28:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-07 11:28:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-07 11:28:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-07 11:28:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-07 11:28:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-07 11:28:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-07 11:28:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-07 11:28:34,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-07 11:28:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 11:28:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 11:28:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:28:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:28:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:28:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_lm78_data [2019-10-07 11:28:34,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_1 [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_40 [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_46 [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_36 [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_39 [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_27 [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_34 [2019-10-07 11:28:34,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_31 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_18 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_30 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_28 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_25 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_42 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_24 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_45 [2019-10-07 11:28:34,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_20 [2019-10-07 11:28:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_43 [2019-10-07 11:28:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_22 [2019-10-07 11:28:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_37 [2019-10-07 11:28:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_17 [2019-10-07 11:28:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_33 [2019-10-07 11:28:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_sensor_device_attribute_16 [2019-10-07 11:28:34,213 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-07 11:28:34,214 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-07 11:28:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-07 11:28:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-07 11:28:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-07 11:28:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure devm_hwmon_device_register_with_groups [2019-10-07 11:28:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure vid_from_reg [2019-10-07 11:28:34,215 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_read_value [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_write_value [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_update_device [2019-10-07 11:28:34,216 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_init_device [2019-10-07 11:28:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2019-10-07 11:28:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:28:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:28:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2019-10-07 11:28:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2019-10-07 11:28:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2019-10-07 11:28:34,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:28:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:28:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2019-10-07 11:28:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2019-10-07 11:28:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_over [2019-10-07 11:28:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_over [2019-10-07 11:28:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_hyst [2019-10-07 11:28:34,218 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_hyst [2019-10-07 11:28:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2019-10-07 11:28:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2019-10-07 11:28:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2019-10-07 11:28:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2019-10-07 11:28:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2019-10-07 11:28:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure show_vid [2019-10-07 11:28:34,219 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarms [2019-10-07 11:28:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2019-10-07 11:28:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_alias_detect [2019-10-07 11:28:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_data_if_isa [2019-10-07 11:28:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_detect [2019-10-07 11:28:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:28:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_probe [2019-10-07 11:28:34,220 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_register [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_unregister [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure sm_lm78_init [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure sm_lm78_exit [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:28:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:28:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 11:28:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-07 11:28:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-07 11:28:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:28:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-07 11:28:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:28:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:28:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_lm78_data [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_lm78_data [2019-10-07 11:28:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_lm78_data [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_lm78_data [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_lm78_data [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_update_lock_of_lm78_data [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_update_lock_of_lm78_data [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_update_lock_of_lm78_data [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_update_lock_of_lm78_data [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:28:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:28:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:28:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:28:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:28:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:28:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 11:28:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:28:35,500 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:29:12,512 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:29:12,512 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 11:29:12,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:29:12 BoogieIcfgContainer [2019-10-07 11:29:12,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:29:12,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:29:12,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:29:12,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:29:12,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:28:30" (1/3) ... [2019-10-07 11:29:12,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44640c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:29:12, skipping insertion in model container [2019-10-07 11:29:12,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:28:33" (2/3) ... [2019-10-07 11:29:12,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44640c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:29:12, skipping insertion in model container [2019-10-07 11:29:12,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:29:12" (3/3) ... [2019-10-07 11:29:12,525 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2019-10-07 11:29:12,536 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:29:12,548 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:29:12,558 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:29:12,597 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:29:12,597 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:29:12,598 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:29:12,598 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:29:12,598 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:29:12,598 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:29:12,598 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:29:12,598 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:29:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states. [2019-10-07 11:29:12,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2019-10-07 11:29:12,730 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:12,732 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:12,735 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:12,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:12,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1714556615, now seen corresponding path program 1 times [2019-10-07 11:29:12,751 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:12,751 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:12,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:12,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:12,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:16,882 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:16,882 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:16,883 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:16,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:16,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:16,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:16,914 INFO L87 Difference]: Start difference. First operand 1646 states. Second operand 3 states. [2019-10-07 11:29:17,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:29:17,590 INFO L93 Difference]: Finished difference Result 3942 states and 5846 transitions. [2019-10-07 11:29:17,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:29:17,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1171 [2019-10-07 11:29:17,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:29:17,631 INFO L225 Difference]: With dead ends: 3942 [2019-10-07 11:29:17,631 INFO L226 Difference]: Without dead ends: 2610 [2019-10-07 11:29:17,646 INFO L606 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 [2019-10-07 11:29:17,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2019-10-07 11:29:17,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 2597. [2019-10-07 11:29:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2597 states. [2019-10-07 11:29:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2597 states and 3644 transitions. [2019-10-07 11:29:17,966 INFO L78 Accepts]: Start accepts. Automaton has 2597 states and 3644 transitions. Word has length 1171 [2019-10-07 11:29:17,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:29:17,978 INFO L462 AbstractCegarLoop]: Abstraction has 2597 states and 3644 transitions. [2019-10-07 11:29:17,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:29:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 3644 transitions. [2019-10-07 11:29:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2019-10-07 11:29:18,092 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:18,092 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:18,093 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:18,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:18,094 INFO L82 PathProgramCache]: Analyzing trace with hash -209147867, now seen corresponding path program 1 times [2019-10-07 11:29:18,094 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:18,094 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:18,094 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:18,094 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:18,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:21,066 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:21,066 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:21,067 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:21,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:21,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:21,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:21,073 INFO L87 Difference]: Start difference. First operand 2597 states and 3644 transitions. Second operand 3 states. [2019-10-07 11:29:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:29:21,497 INFO L93 Difference]: Finished difference Result 7174 states and 10021 transitions. [2019-10-07 11:29:21,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:29:21,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1170 [2019-10-07 11:29:21,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:29:21,533 INFO L225 Difference]: With dead ends: 7174 [2019-10-07 11:29:21,534 INFO L226 Difference]: Without dead ends: 4872 [2019-10-07 11:29:21,545 INFO L606 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 [2019-10-07 11:29:21,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2019-10-07 11:29:21,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4688. [2019-10-07 11:29:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4688 states. [2019-10-07 11:29:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 6585 transitions. [2019-10-07 11:29:21,803 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 6585 transitions. Word has length 1170 [2019-10-07 11:29:21,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:29:21,806 INFO L462 AbstractCegarLoop]: Abstraction has 4688 states and 6585 transitions. [2019-10-07 11:29:21,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:29:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 6585 transitions. [2019-10-07 11:29:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1173 [2019-10-07 11:29:21,833 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:21,834 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:21,834 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:21,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:21,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1534775425, now seen corresponding path program 1 times [2019-10-07 11:29:21,836 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:21,836 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:21,837 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:21,837 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:21,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:24,766 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:24,767 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:24,767 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:24,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:24,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:24,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:24,769 INFO L87 Difference]: Start difference. First operand 4688 states and 6585 transitions. Second operand 3 states. [2019-10-07 11:29:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:29:25,643 INFO L93 Difference]: Finished difference Result 13443 states and 18840 transitions. [2019-10-07 11:29:25,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:29:25,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1172 [2019-10-07 11:29:25,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:29:25,725 INFO L225 Difference]: With dead ends: 13443 [2019-10-07 11:29:25,726 INFO L226 Difference]: Without dead ends: 9050 [2019-10-07 11:29:25,749 INFO L606 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 [2019-10-07 11:29:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9050 states. [2019-10-07 11:29:26,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9050 to 8524. [2019-10-07 11:29:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8524 states. [2019-10-07 11:29:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8524 states to 8524 states and 12039 transitions. [2019-10-07 11:29:26,262 INFO L78 Accepts]: Start accepts. Automaton has 8524 states and 12039 transitions. Word has length 1172 [2019-10-07 11:29:26,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:29:26,264 INFO L462 AbstractCegarLoop]: Abstraction has 8524 states and 12039 transitions. [2019-10-07 11:29:26,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:29:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 8524 states and 12039 transitions. [2019-10-07 11:29:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2019-10-07 11:29:26,278 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:26,280 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:26,280 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:26,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:26,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1577979881, now seen corresponding path program 1 times [2019-10-07 11:29:26,281 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:26,281 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:26,281 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:26,282 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:28,513 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:28,513 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:28,514 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:28,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:28,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:28,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:28,516 INFO L87 Difference]: Start difference. First operand 8524 states and 12039 transitions. Second operand 3 states. [2019-10-07 11:29:29,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:29:29,316 INFO L93 Difference]: Finished difference Result 24927 states and 35166 transitions. [2019-10-07 11:29:29,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:29:29,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1170 [2019-10-07 11:29:29,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:29:29,457 INFO L225 Difference]: With dead ends: 24927 [2019-10-07 11:29:29,458 INFO L226 Difference]: Without dead ends: 16698 [2019-10-07 11:29:29,508 INFO L606 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 [2019-10-07 11:29:29,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16698 states. [2019-10-07 11:29:30,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16698 to 16172. [2019-10-07 11:29:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16172 states. [2019-10-07 11:29:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16172 states to 16172 states and 22907 transitions. [2019-10-07 11:29:30,588 INFO L78 Accepts]: Start accepts. Automaton has 16172 states and 22907 transitions. Word has length 1170 [2019-10-07 11:29:30,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:29:30,595 INFO L462 AbstractCegarLoop]: Abstraction has 16172 states and 22907 transitions. [2019-10-07 11:29:30,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:29:30,596 INFO L276 IsEmpty]: Start isEmpty. Operand 16172 states and 22907 transitions. [2019-10-07 11:29:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2019-10-07 11:29:30,623 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:30,624 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:30,625 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:30,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:30,626 INFO L82 PathProgramCache]: Analyzing trace with hash -739612716, now seen corresponding path program 1 times [2019-10-07 11:29:30,628 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:30,628 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:30,629 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:30,629 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:33,328 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:33,328 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:33,328 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:33,329 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:33,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:33,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:33,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:33,331 INFO L87 Difference]: Start difference. First operand 16172 states and 22907 transitions. Second operand 3 states. [2019-10-07 11:29:34,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:29:34,644 INFO L93 Difference]: Finished difference Result 47801 states and 67670 transitions. [2019-10-07 11:29:34,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:29:34,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1175 [2019-10-07 11:29:34,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:29:34,797 INFO L225 Difference]: With dead ends: 47801 [2019-10-07 11:29:34,797 INFO L226 Difference]: Without dead ends: 31924 [2019-10-07 11:29:34,879 INFO L606 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 [2019-10-07 11:29:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31924 states. [2019-10-07 11:29:36,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31924 to 31738. [2019-10-07 11:29:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31738 states. [2019-10-07 11:29:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31738 states to 31738 states and 44955 transitions. [2019-10-07 11:29:36,188 INFO L78 Accepts]: Start accepts. Automaton has 31738 states and 44955 transitions. Word has length 1175 [2019-10-07 11:29:36,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:29:36,190 INFO L462 AbstractCegarLoop]: Abstraction has 31738 states and 44955 transitions. [2019-10-07 11:29:36,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:29:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 31738 states and 44955 transitions. [2019-10-07 11:29:36,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1174 [2019-10-07 11:29:36,206 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:36,207 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:36,207 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:36,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:36,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1667504806, now seen corresponding path program 1 times [2019-10-07 11:29:36,209 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:36,212 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:36,213 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:36,213 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:39,775 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:39,775 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:39,776 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:39,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:39,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:39,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:39,778 INFO L87 Difference]: Start difference. First operand 31738 states and 44955 transitions. Second operand 3 states. [2019-10-07 11:29:41,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:29:41,363 INFO L93 Difference]: Finished difference Result 94233 states and 133474 transitions. [2019-10-07 11:29:41,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:29:41,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1173 [2019-10-07 11:29:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:29:41,672 INFO L225 Difference]: With dead ends: 94233 [2019-10-07 11:29:41,673 INFO L226 Difference]: Without dead ends: 62790 [2019-10-07 11:29:41,783 INFO L606 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 [2019-10-07 11:29:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62790 states. [2019-10-07 11:29:43,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62790 to 61946. [2019-10-07 11:29:43,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61946 states. [2019-10-07 11:29:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61946 states to 61946 states and 87883 transitions. [2019-10-07 11:29:43,969 INFO L78 Accepts]: Start accepts. Automaton has 61946 states and 87883 transitions. Word has length 1173 [2019-10-07 11:29:43,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:29:43,971 INFO L462 AbstractCegarLoop]: Abstraction has 61946 states and 87883 transitions. [2019-10-07 11:29:43,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:29:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 61946 states and 87883 transitions. [2019-10-07 11:29:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2019-10-07 11:29:43,986 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:43,987 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:43,987 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:43,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:43,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1004177665, now seen corresponding path program 1 times [2019-10-07 11:29:43,988 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:43,988 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:43,989 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:43,989 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:43,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:46,782 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:46,782 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:46,783 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:46,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:46,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:46,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:46,785 INFO L87 Difference]: Start difference. First operand 61946 states and 87883 transitions. Second operand 3 states. [2019-10-07 11:29:48,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:29:48,644 INFO L93 Difference]: Finished difference Result 184586 states and 261727 transitions. [2019-10-07 11:29:48,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:29:48,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1175 [2019-10-07 11:29:48,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:29:49,226 INFO L225 Difference]: With dead ends: 184586 [2019-10-07 11:29:49,226 INFO L226 Difference]: Without dead ends: 122935 [2019-10-07 11:29:49,396 INFO L606 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 [2019-10-07 11:29:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122935 states. [2019-10-07 11:29:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122935 to 122106. [2019-10-07 11:29:55,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122106 states. [2019-10-07 11:29:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122106 states to 122106 states and 173195 transitions. [2019-10-07 11:29:55,430 INFO L78 Accepts]: Start accepts. Automaton has 122106 states and 173195 transitions. Word has length 1175 [2019-10-07 11:29:55,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:29:55,431 INFO L462 AbstractCegarLoop]: Abstraction has 122106 states and 173195 transitions. [2019-10-07 11:29:55,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:29:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 122106 states and 173195 transitions. [2019-10-07 11:29:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1181 [2019-10-07 11:29:55,445 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:29:55,446 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:29:55,446 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:29:55,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:29:55,447 INFO L82 PathProgramCache]: Analyzing trace with hash 2005067676, now seen corresponding path program 1 times [2019-10-07 11:29:55,447 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:29:55,447 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:55,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:55,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:29:55,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:29:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:29:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:29:57,751 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:29:57,751 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:29:57,751 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:29:57,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:29:57,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:29:57,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:29:57,754 INFO L87 Difference]: Start difference. First operand 122106 states and 173195 transitions. Second operand 3 states. [2019-10-07 11:30:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:30:02,375 INFO L93 Difference]: Finished difference Result 361463 states and 512489 transitions. [2019-10-07 11:30:02,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:30:02,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1180 [2019-10-07 11:30:02,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:30:03,387 INFO L225 Difference]: With dead ends: 361463 [2019-10-07 11:30:03,388 INFO L226 Difference]: Without dead ends: 239652 [2019-10-07 11:30:03,744 INFO L606 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 [2019-10-07 11:30:04,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239652 states. [2019-10-07 11:30:13,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239652 to 239472. [2019-10-07 11:30:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239472 states. [2019-10-07 11:30:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239472 states to 239472 states and 339382 transitions. [2019-10-07 11:30:14,095 INFO L78 Accepts]: Start accepts. Automaton has 239472 states and 339382 transitions. Word has length 1180 [2019-10-07 11:30:14,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:30:14,097 INFO L462 AbstractCegarLoop]: Abstraction has 239472 states and 339382 transitions. [2019-10-07 11:30:14,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:30:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 239472 states and 339382 transitions. [2019-10-07 11:30:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2019-10-07 11:30:18,448 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:30:18,449 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:30:18,449 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:30:18,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:30:18,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1004982654, now seen corresponding path program 1 times [2019-10-07 11:30:18,450 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:30:18,450 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:30:18,450 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:30:18,451 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:30:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:30:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:30:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:30:19,927 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:30:19,927 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:30:19,928 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:30:19,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:30:19,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:30:19,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:30:19,930 INFO L87 Difference]: Start difference. First operand 239472 states and 339382 transitions. Second operand 3 states. [2019-10-07 11:30:27,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:30:27,661 INFO L93 Difference]: Finished difference Result 715158 states and 1013046 transitions. [2019-10-07 11:30:27,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:30:27,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1179 [2019-10-07 11:30:27,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:30:29,757 INFO L225 Difference]: With dead ends: 715158 [2019-10-07 11:30:29,757 INFO L226 Difference]: Without dead ends: 475981 [2019-10-07 11:30:30,491 INFO L606 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 [2019-10-07 11:30:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475981 states. [2019-10-07 11:30:56,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475981 to 475832. [2019-10-07 11:30:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475832 states. [2019-10-07 11:30:57,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475832 states to 475832 states and 673662 transitions. [2019-10-07 11:30:58,003 INFO L78 Accepts]: Start accepts. Automaton has 475832 states and 673662 transitions. Word has length 1179 [2019-10-07 11:30:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:30:58,005 INFO L462 AbstractCegarLoop]: Abstraction has 475832 states and 673662 transitions. [2019-10-07 11:30:58,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:30:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 475832 states and 673662 transitions. [2019-10-07 11:30:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1179 [2019-10-07 11:30:58,020 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:30:58,021 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:30:58,021 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:30:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:30:58,022 INFO L82 PathProgramCache]: Analyzing trace with hash -646988349, now seen corresponding path program 1 times [2019-10-07 11:30:58,022 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:30:58,022 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:30:58,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:30:58,023 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:30:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:31:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:31:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 43596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43596 trivial. 0 not checked. [2019-10-07 11:31:07,314 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:31:07,314 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:31:07,314 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:31:07,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:31:07,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:31:07,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:31:07,317 INFO L87 Difference]: Start difference. First operand 475832 states and 673662 transitions. Second operand 3 states. [2019-10-07 11:31:37,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:31:37,207 INFO L93 Difference]: Finished difference Result 1421710 states and 2011830 transitions. [2019-10-07 11:31:37,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:31:37,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1178 [2019-10-07 11:31:37,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:31:41,188 INFO L225 Difference]: With dead ends: 1421710 [2019-10-07 11:31:41,189 INFO L226 Difference]: Without dead ends: 946173 [2019-10-07 11:31:42,798 INFO L606 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 [2019-10-07 11:31:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946173 states. [2019-10-07 11:32:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946173 to 946024. [2019-10-07 11:32:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946024 states. [2019-10-07 11:32:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946024 states to 946024 states and 1337910 transitions. [2019-10-07 11:32:47,486 INFO L78 Accepts]: Start accepts. Automaton has 946024 states and 1337910 transitions. Word has length 1178 [2019-10-07 11:32:47,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:32:47,487 INFO L462 AbstractCegarLoop]: Abstraction has 946024 states and 1337910 transitions. [2019-10-07 11:32:47,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:32:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 946024 states and 1337910 transitions. [2019-10-07 11:32:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1181 [2019-10-07 11:32:47,502 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:32:47,503 INFO L385 BasicCegarLoop]: trace histogram [119, 119, 119, 119, 119, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:32:47,504 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:32:47,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:32:47,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1928380928, now seen corresponding path program 1 times [2019-10-07 11:32:47,505 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:32:47,505 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:32:47,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:32:47,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:32:47,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:32:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat