/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 23:08:31,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:08:31,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:08:31,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:08:31,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:08:31,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:08:31,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:08:31,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:08:31,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:08:31,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:08:31,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:08:31,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:08:31,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:08:31,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:08:31,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:08:31,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:08:31,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:08:31,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:08:31,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:08:31,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:08:31,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:08:31,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:08:31,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:08:31,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:08:31,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:08:31,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:08:31,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:08:31,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:08:31,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:08:31,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:08:31,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:08:31,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:08:31,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:08:31,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:08:31,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:08:31,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:08:31,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:08:31,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:08:31,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:08:31,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:08:31,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:08:31,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:08:31,594 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:08:31,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:08:31,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:08:31,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:08:31,597 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:08:31,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:08:31,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:08:31,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:08:31,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:08:31,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:08:31,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:08:31,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:08:31,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:08:31,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:08:31,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:08:31,600 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:08:31,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:08:31,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:08:31,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:08:31,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:08:31,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:08:31,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:08:31,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:08:31,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:08:31,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:08:31,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:08:31,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:08:31,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:08:31,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 23:08:31,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:08:31,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:08:31,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:08:31,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:08:31,896 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:08:31,896 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-11-06 23:08:31,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538c5ee97/dc4f05ead08b40bc8b3ce77e3c02b970/FLAG1725721dd [2019-11-06 23:08:32,702 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:08:32,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-11-06 23:08:32,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538c5ee97/dc4f05ead08b40bc8b3ce77e3c02b970/FLAG1725721dd [2019-11-06 23:08:32,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538c5ee97/dc4f05ead08b40bc8b3ce77e3c02b970 [2019-11-06 23:08:32,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:08:32,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:08:32,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:08:32,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:08:32,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:08:32,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:32" (1/1) ... [2019-11-06 23:08:32,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594bf6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:32, skipping insertion in model container [2019-11-06 23:08:32,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:08:32" (1/1) ... [2019-11-06 23:08:32,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:08:32,882 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:08:33,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:08:33,749 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:08:33,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:08:33,989 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:08:33,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33 WrapperNode [2019-11-06 23:08:33,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:08:33,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:08:33,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:08:33,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:08:34,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (1/1) ... [2019-11-06 23:08:34,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (1/1) ... [2019-11-06 23:08:34,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (1/1) ... [2019-11-06 23:08:34,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (1/1) ... [2019-11-06 23:08:34,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (1/1) ... [2019-11-06 23:08:34,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (1/1) ... [2019-11-06 23:08:34,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (1/1) ... [2019-11-06 23:08:34,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:08:34,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:08:34,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:08:34,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:08:34,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (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 [2019-11-06 23:08:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:08:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:08:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-06 23:08:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-11-06 23:08:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-11-06 23:08:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-06 23:08:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-06 23:08:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:08:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:08:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:08:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 23:08:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2019-11-06 23:08:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2019-11-06 23:08:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_ver_check [2019-11-06 23:08:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_count [2019-11-06 23:08:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_name [2019-11-06 23:08:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_data [2019-11-06 23:08:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low_data [2019-11-06 23:08:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_update_device [2019-11-06 23:08:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bmc_data [2019-11-06 23:08:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2019-11-06 23:08:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_show_sensor [2019-11-06 23:08:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low [2019-11-06 23:08:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_sensor [2019-11-06 23:08:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_temp_sensor [2019-11-06 23:08:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure power_sensor_multiplier [2019-11-06 23:08:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sensor [2019-11-06 23:08:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_find_sensors [2019-11-06 23:08:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_register_bmc [2019-11-06 23:08:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2019-11-06 23:08:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_gone [2019-11-06 23:08:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_msg_handler [2019-11-06 23:08:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_init [2019-11-06 23:08:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_exit [2019-11-06 23:08:34,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:08:34,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 23:08:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2019-11-06 23:08:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2019-11-06 23:08:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_7 [2019-11-06 23:08:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:08:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:08:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:08:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 23:08:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 23:08:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 23:08:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2019-11-06 23:08:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-11-06 23:08:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-11-06 23:08:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:08:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 23:08:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 23:08:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 23:08:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 23:08:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-06 23:08:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 23:08:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 23:08:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 23:08:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-11-06 23:08:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-11-06 23:08:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-11-06 23:08:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2019-11-06 23:08:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2019-11-06 23:08:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2019-11-06 23:08:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2019-11-06 23:08:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2019-11-06 23:08:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2019-11-06 23:08:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2019-11-06 23:08:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:08:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-06 23:08:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 23:08:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 23:08:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:08:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-06 23:08:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:08:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:08:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:08:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:08:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:08:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:08:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-06 23:08:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-11-06 23:08:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:08:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-11-06 23:08:34,259 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-06 23:08:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-06 23:08:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 23:08:34,260 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 23:08:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-06 23:08:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:08:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 23:08:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 23:08:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 23:08:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 23:08:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:08:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-06 23:08:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:08:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_7 [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 23:08:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 23:08:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 23:08:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 23:08:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2019-11-06 23:08:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-11-06 23:08:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-11-06 23:08:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:08:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:08:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:08:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:08:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:08:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:08:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:08:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:08:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 23:08:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2019-11-06 23:08:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2019-11-06 23:08:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2019-11-06 23:08:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2019-11-06 23:08:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2019-11-06 23:08:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2019-11-06 23:08:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2019-11-06 23:08:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-11-06 23:08:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-11-06 23:08:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2019-11-06 23:08:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_msg_handler [2019-11-06 23:08:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_register_bmc [2019-11-06 23:08:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_gone [2019-11-06 23:08:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2019-11-06 23:08:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_ver_check [2019-11-06 23:08:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_count [2019-11-06 23:08:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_name [2019-11-06 23:08:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_data [2019-11-06 23:08:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low_data [2019-11-06 23:08:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_update_device [2019-11-06 23:08:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_bmc_data [2019-11-06 23:08:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2019-11-06 23:08:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_show_sensor [2019-11-06 23:08:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low [2019-11-06 23:08:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_sensor [2019-11-06 23:08:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure is_temp_sensor [2019-11-06 23:08:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure power_sensor_multiplier [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure create_sensor [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_find_sensors [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_init [2019-11-06 23:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_exit [2019-11-06 23:08:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 23:08:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 23:08:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:08:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:08:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:08:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:08:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:08:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:08:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:08:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:08:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:08:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:08:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:08:36,219 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:08:36,219 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:08:36,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:36 BoogieIcfgContainer [2019-11-06 23:08:36,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:08:36,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:08:36,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:08:36,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:08:36,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:08:32" (1/3) ... [2019-11-06 23:08:36,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29657b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:36, skipping insertion in model container [2019-11-06 23:08:36,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:33" (2/3) ... [2019-11-06 23:08:36,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29657b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:36, skipping insertion in model container [2019-11-06 23:08:36,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:36" (3/3) ... [2019-11-06 23:08:36,230 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-11-06 23:08:36,243 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:08:36,258 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:08:36,272 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:08:36,320 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:08:36,320 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:08:36,320 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:08:36,321 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:08:36,321 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:08:36,321 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:08:36,321 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:08:36,321 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:08:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2019-11-06 23:08:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-06 23:08:36,409 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:08:36,413 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:08:36,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:08:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:08:36,424 INFO L82 PathProgramCache]: Analyzing trace with hash -135061929, now seen corresponding path program 1 times [2019-11-06 23:08:36,434 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:08:36,435 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276282535] [2019-11-06 23:08:36,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:08:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:08:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-06 23:08:37,688 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276282535] [2019-11-06 23:08:37,689 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:08:37,689 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-06 23:08:37,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206522228] [2019-11-06 23:08:37,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-06 23:08:37,699 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:08:37,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-06 23:08:37,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-11-06 23:08:37,717 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 15 states. [2019-11-06 23:08:54,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:08:54,174 INFO L93 Difference]: Finished difference Result 3000 states and 3905 transitions. [2019-11-06 23:08:54,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-11-06 23:08:54,176 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 194 [2019-11-06 23:08:54,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:08:54,221 INFO L225 Difference]: With dead ends: 3000 [2019-11-06 23:08:54,221 INFO L226 Difference]: Without dead ends: 2495 [2019-11-06 23:08:54,233 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=345, Invalid=1635, Unknown=0, NotChecked=0, Total=1980 [2019-11-06 23:08:54,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-11-06 23:08:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2206. [2019-11-06 23:08:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2019-11-06 23:08:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2795 transitions. [2019-11-06 23:08:54,527 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2795 transitions. Word has length 194 [2019-11-06 23:08:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:08:54,529 INFO L462 AbstractCegarLoop]: Abstraction has 2206 states and 2795 transitions. [2019-11-06 23:08:54,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-06 23:08:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2795 transitions. [2019-11-06 23:08:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-06 23:08:54,535 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:08:54,536 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:08:54,536 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:08:54,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:08:54,537 INFO L82 PathProgramCache]: Analyzing trace with hash 194703832, now seen corresponding path program 1 times [2019-11-06 23:08:54,537 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:08:54,537 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673171793] [2019-11-06 23:08:54,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:08:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:08:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-06 23:08:54,792 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673171793] [2019-11-06 23:08:54,792 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:08:54,793 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:08:54,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342132176] [2019-11-06 23:08:54,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:08:54,795 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:08:54,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:08:54,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:08:54,796 INFO L87 Difference]: Start difference. First operand 2206 states and 2795 transitions. Second operand 3 states. [2019-11-06 23:08:54,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:08:54,927 INFO L93 Difference]: Finished difference Result 4395 states and 5610 transitions. [2019-11-06 23:08:54,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:08:54,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-06 23:08:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:08:54,950 INFO L225 Difference]: With dead ends: 4395 [2019-11-06 23:08:54,950 INFO L226 Difference]: Without dead ends: 2211 [2019-11-06 23:08:54,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:08:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2019-11-06 23:08:55,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2019-11-06 23:08:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2211 states. [2019-11-06 23:08:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2800 transitions. [2019-11-06 23:08:55,119 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2800 transitions. Word has length 194 [2019-11-06 23:08:55,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:08:55,120 INFO L462 AbstractCegarLoop]: Abstraction has 2211 states and 2800 transitions. [2019-11-06 23:08:55,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:08:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2800 transitions. [2019-11-06 23:08:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-06 23:08:55,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:08:55,128 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:08:55,129 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:08:55,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:08:55,129 INFO L82 PathProgramCache]: Analyzing trace with hash -834655466, now seen corresponding path program 1 times [2019-11-06 23:08:55,129 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:08:55,130 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451563726] [2019-11-06 23:08:55,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:08:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:08:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-06 23:08:55,747 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451563726] [2019-11-06 23:08:55,748 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:08:55,748 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 23:08:55,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486226944] [2019-11-06 23:08:55,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 23:08:55,750 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:08:55,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 23:08:55,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-11-06 23:08:55,751 INFO L87 Difference]: Start difference. First operand 2211 states and 2800 transitions. Second operand 11 states. [2019-11-06 23:09:05,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:05,363 INFO L93 Difference]: Finished difference Result 3829 states and 4965 transitions. [2019-11-06 23:09:05,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-11-06 23:09:05,370 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2019-11-06 23:09:05,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:05,391 INFO L225 Difference]: With dead ends: 3829 [2019-11-06 23:09:05,391 INFO L226 Difference]: Without dead ends: 3825 [2019-11-06 23:09:05,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2019-11-06 23:09:05,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2019-11-06 23:09:05,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3565. [2019-11-06 23:09:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3565 states. [2019-11-06 23:09:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4558 transitions. [2019-11-06 23:09:05,601 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4558 transitions. Word has length 194 [2019-11-06 23:09:05,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:05,603 INFO L462 AbstractCegarLoop]: Abstraction has 3565 states and 4558 transitions. [2019-11-06 23:09:05,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 23:09:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4558 transitions. [2019-11-06 23:09:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-06 23:09:05,610 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:05,611 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:05,611 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:05,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:05,612 INFO L82 PathProgramCache]: Analyzing trace with hash -964064237, now seen corresponding path program 1 times [2019-11-06 23:09:05,613 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:05,613 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701918723] [2019-11-06 23:09:05,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-06 23:09:05,894 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701918723] [2019-11-06 23:09:05,894 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:05,894 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:05,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420349767] [2019-11-06 23:09:05,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:05,896 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:05,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:05,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:05,897 INFO L87 Difference]: Start difference. First operand 3565 states and 4558 transitions. Second operand 3 states. [2019-11-06 23:09:06,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:06,070 INFO L93 Difference]: Finished difference Result 5396 states and 6962 transitions. [2019-11-06 23:09:06,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:06,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-11-06 23:09:06,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:06,098 INFO L225 Difference]: With dead ends: 5396 [2019-11-06 23:09:06,098 INFO L226 Difference]: Without dead ends: 4937 [2019-11-06 23:09:06,104 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:06,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2019-11-06 23:09:06,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4840. [2019-11-06 23:09:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4840 states. [2019-11-06 23:09:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 6183 transitions. [2019-11-06 23:09:06,453 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 6183 transitions. Word has length 208 [2019-11-06 23:09:06,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:06,454 INFO L462 AbstractCegarLoop]: Abstraction has 4840 states and 6183 transitions. [2019-11-06 23:09:06,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 6183 transitions. [2019-11-06 23:09:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-11-06 23:09:06,458 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:06,459 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:06,459 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:06,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:06,459 INFO L82 PathProgramCache]: Analyzing trace with hash 2041805916, now seen corresponding path program 1 times [2019-11-06 23:09:06,460 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:06,460 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827406141] [2019-11-06 23:09:06,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-06 23:09:06,610 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827406141] [2019-11-06 23:09:06,611 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:06,611 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:06,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201051732] [2019-11-06 23:09:06,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:06,612 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:06,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:06,613 INFO L87 Difference]: Start difference. First operand 4840 states and 6183 transitions. Second operand 3 states. [2019-11-06 23:09:06,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:06,749 INFO L93 Difference]: Finished difference Result 9669 states and 12421 transitions. [2019-11-06 23:09:06,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:06,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-11-06 23:09:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:06,778 INFO L225 Difference]: With dead ends: 9669 [2019-11-06 23:09:06,778 INFO L226 Difference]: Without dead ends: 4851 [2019-11-06 23:09:06,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:06,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2019-11-06 23:09:07,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 4851. [2019-11-06 23:09:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4851 states. [2019-11-06 23:09:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 6194 transitions. [2019-11-06 23:09:07,090 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 6194 transitions. Word has length 214 [2019-11-06 23:09:07,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:07,091 INFO L462 AbstractCegarLoop]: Abstraction has 4851 states and 6194 transitions. [2019-11-06 23:09:07,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 6194 transitions. [2019-11-06 23:09:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-11-06 23:09:07,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:07,098 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:07,098 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:07,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:07,099 INFO L82 PathProgramCache]: Analyzing trace with hash 759633630, now seen corresponding path program 1 times [2019-11-06 23:09:07,099 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:07,100 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400412752] [2019-11-06 23:09:07,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat