/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 -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 19:34:05,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:34:05,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:34:05,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:34:05,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:34:05,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:34:05,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:34:05,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:34:05,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:34:05,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:34:05,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:34:05,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:34:05,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:34:05,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:34:05,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:34:05,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:34:05,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:34:05,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:34:05,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:34:05,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:34:05,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:34:05,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:34:05,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:34:05,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:34:05,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:34:05,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:34:05,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:34:05,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:34:05,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:34:05,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:34:05,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:34:05,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:34:05,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:34:05,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:34:05,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:34:05,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:34:05,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:34:05,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:34:05,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:34:05,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:34:05,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:34:05,138 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 19:34:05,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:34:05,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:34:05,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:34:05,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:34:05,174 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:34:05,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:34:05,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:34:05,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:34:05,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:34:05,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:34:05,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:34:05,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:34:05,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:34:05,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:34:05,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:34:05,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:34:05,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:34:05,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:34:05,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:34:05,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:34:05,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:34:05,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:34:05,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:34:05,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:34:05,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:34:05,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:34:05,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:34:05,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:34:05,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:34:05,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:34:05,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:34:05,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:34:05,463 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:34:05,463 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:34:05,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-11-06 19:34:05,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fbfeb01e/1ef4110da4d54341b20e7a5b80f1000e/FLAGa57244738 [2019-11-06 19:34:06,185 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:34:06,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-11-06 19:34:06,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fbfeb01e/1ef4110da4d54341b20e7a5b80f1000e/FLAGa57244738 [2019-11-06 19:34:06,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fbfeb01e/1ef4110da4d54341b20e7a5b80f1000e [2019-11-06 19:34:06,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:34:06,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:34:06,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:34:06,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:34:06,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:34:06,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:34:06" (1/1) ... [2019-11-06 19:34:06,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8d6f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:06, skipping insertion in model container [2019-11-06 19:34:06,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:34:06" (1/1) ... [2019-11-06 19:34:06,413 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:34:06,498 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:34:07,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:34:07,593 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:34:07,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:34:07,889 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:34:07,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07 WrapperNode [2019-11-06 19:34:07,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:34:07,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:34:07,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:34:07,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:34:07,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (1/1) ... [2019-11-06 19:34:07,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (1/1) ... [2019-11-06 19:34:07,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (1/1) ... [2019-11-06 19:34:07,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (1/1) ... [2019-11-06 19:34:08,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (1/1) ... [2019-11-06 19:34:08,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (1/1) ... [2019-11-06 19:34:08,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (1/1) ... [2019-11-06 19:34:08,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:34:08,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:34:08,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:34:08,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:34:08,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (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 19:34:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:34:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:34:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-06 19:34:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-11-06 19:34:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-11-06 19:34:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-06 19:34:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-06 19:34:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 19:34:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 19:34:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 19:34:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 19:34:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2019-11-06 19:34:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2019-11-06 19:34:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_ver_check [2019-11-06 19:34:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_count [2019-11-06 19:34:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_name [2019-11-06 19:34:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_data [2019-11-06 19:34:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low_data [2019-11-06 19:34:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_update_device [2019-11-06 19:34:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bmc_data [2019-11-06 19:34:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2019-11-06 19:34:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_show_sensor [2019-11-06 19:34:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low [2019-11-06 19:34:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_sensor [2019-11-06 19:34:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure is_temp_sensor [2019-11-06 19:34:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure power_sensor_multiplier [2019-11-06 19:34:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sensor [2019-11-06 19:34:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_find_sensors [2019-11-06 19:34:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_register_bmc [2019-11-06 19:34:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2019-11-06 19:34:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_gone [2019-11-06 19:34:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_msg_handler [2019-11-06 19:34:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_init [2019-11-06 19:34:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_exit [2019-11-06 19:34:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:34:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 19:34:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2019-11-06 19:34:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2019-11-06 19:34:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_7 [2019-11-06 19:34:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 19:34:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 19:34:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 19:34:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 19:34:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 19:34:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 19:34:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2019-11-06 19:34:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-11-06 19:34:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-11-06 19:34:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 19:34:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 19:34:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 19:34:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 19:34:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 19:34:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-06 19:34:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 19:34:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 19:34:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 19:34:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-11-06 19:34:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-11-06 19:34:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-11-06 19:34:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2019-11-06 19:34:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2019-11-06 19:34:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2019-11-06 19:34:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2019-11-06 19:34:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2019-11-06 19:34:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2019-11-06 19:34:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2019-11-06 19:34:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 19:34:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-06 19:34:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 19:34:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 19:34:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 19:34:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-06 19:34:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 19:34:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 19:34:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 19:34:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 19:34:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:34:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 19:34:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-06 19:34:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-11-06 19:34:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 19:34:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-11-06 19:34:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-06 19:34:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-06 19:34:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 19:34:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 19:34:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-06 19:34:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 19:34:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 19:34:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 19:34:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 19:34:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 19:34:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 19:34:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-06 19:34:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 19:34:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 19:34:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-06 19:34:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-06 19:34:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2019-11-06 19:34:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2019-11-06 19:34:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_7 [2019-11-06 19:34:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-11-06 19:34:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 19:34:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 19:34:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 19:34:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 19:34:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2019-11-06 19:34:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-11-06 19:34:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-11-06 19:34:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 19:34:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:34:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 19:34:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 19:34:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 19:34:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 19:34:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 19:34:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 19:34:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 19:34:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2019-11-06 19:34:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2019-11-06 19:34:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2019-11-06 19:34:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2019-11-06 19:34:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2019-11-06 19:34:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2019-11-06 19:34:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2019-11-06 19:34:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-11-06 19:34:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-11-06 19:34:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2019-11-06 19:34:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_msg_handler [2019-11-06 19:34:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_register_bmc [2019-11-06 19:34:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_gone [2019-11-06 19:34:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2019-11-06 19:34:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_ver_check [2019-11-06 19:34:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_count [2019-11-06 19:34:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_name [2019-11-06 19:34:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_data [2019-11-06 19:34:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low_data [2019-11-06 19:34:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_update_device [2019-11-06 19:34:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_bmc_data [2019-11-06 19:34:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2019-11-06 19:34:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_show_sensor [2019-11-06 19:34:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low [2019-11-06 19:34:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_sensor [2019-11-06 19:34:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure is_temp_sensor [2019-11-06 19:34:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure power_sensor_multiplier [2019-11-06 19:34:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure create_sensor [2019-11-06 19:34:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 19:34:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_find_sensors [2019-11-06 19:34:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2019-11-06 19:34:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 19:34:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 19:34:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_init [2019-11-06 19:34:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_exit [2019-11-06 19:34:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 19:34:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 19:34:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-06 19:34:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:34:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 19:34:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 19:34:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 19:34:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 19:34:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 19:34:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 19:34:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 19:34:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 19:34:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:34:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 19:34:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 19:34:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:34:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 19:34:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 19:34:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 19:34:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 19:34:10,398 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:34:10,399 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 19:34:10,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:34:10 BoogieIcfgContainer [2019-11-06 19:34:10,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:34:10,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:34:10,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:34:10,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:34:10,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:34:06" (1/3) ... [2019-11-06 19:34:10,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aebf834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:34:10, skipping insertion in model container [2019-11-06 19:34:10,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:34:07" (2/3) ... [2019-11-06 19:34:10,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aebf834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:34:10, skipping insertion in model container [2019-11-06 19:34:10,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:34:10" (3/3) ... [2019-11-06 19:34:10,412 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-11-06 19:34:10,424 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:34:10,444 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:34:10,458 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:34:10,502 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:34:10,502 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:34:10,502 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:34:10,502 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:34:10,502 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:34:10,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:34:10,503 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:34:10,503 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:34:10,542 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2019-11-06 19:34:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-06 19:34:10,578 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:34:10,580 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 19:34:10,585 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:34:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:34:10,592 INFO L82 PathProgramCache]: Analyzing trace with hash -135061929, now seen corresponding path program 1 times [2019-11-06 19:34:10,602 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:34:10,603 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905218589] [2019-11-06 19:34:10,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:34:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,086 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2019-11-06 19:34:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:34:12,690 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 19:34:12,691 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905218589] [2019-11-06 19:34:12,692 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:34:12,692 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-11-06 19:34:12,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614431672] [2019-11-06 19:34:12,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-06 19:34:12,701 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:34:12,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-06 19:34:12,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2019-11-06 19:34:12,724 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 19 states. [2019-11-06 19:34:13,416 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2019-11-06 19:34:15,732 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-11-06 19:34:16,426 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-11-06 19:34:17,588 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-11-06 19:34:21,717 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 19:34:22,529 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-11-06 19:34:24,400 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-11-06 19:34:25,832 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 19:34:26,392 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 19:34:26,847 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 19:34:27,320 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 19:34:27,845 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-11-06 19:34:29,520 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-11-06 19:34:31,421 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-11-06 19:34:36,671 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-11-06 19:34:38,604 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 19:34:40,395 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 219