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 0.1.24-13a467a-m [2019-10-14 22:13:26,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:13:26,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:13:26,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:13:26,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:13:26,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:13:26,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:13:26,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:13:26,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:13:26,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:13:26,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:13:26,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:13:26,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:13:26,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:13:26,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:13:26,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:13:26,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:13:26,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:13:26,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:13:26,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:13:26,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:13:26,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:13:26,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:13:26,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:13:26,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:13:26,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:13:26,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:13:26,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:13:26,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:13:26,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:13:26,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:13:26,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:13:26,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:13:26,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:13:26,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:13:26,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:13:26,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:13:26,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:13:26,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:13:26,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:13:26,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:13:26,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 22:13:26,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:13:26,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:13:26,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:13:26,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:13:26,476 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:13:26,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:13:26,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:13:26,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:13:26,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:13:26,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:13:26,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:13:26,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:13:26,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:13:26,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:13:26,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:13:26,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:13:26,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:13:26,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:13:26,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:13:26,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:13:26,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:13:26,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:13:26,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:13:26,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:13:26,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:13:26,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:13:26,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:13:26,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:13:26,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:13:26,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:13:26,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:13:26,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:13:26,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:13:26,770 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:13:26,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-10-14 22:13:26,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9668a3af/b4d53f9d351b4b3285c15749afd73cf8/FLAG4453d505d [2019-10-14 22:13:27,511 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:13:27,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-10-14 22:13:27,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9668a3af/b4d53f9d351b4b3285c15749afd73cf8/FLAG4453d505d [2019-10-14 22:13:27,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9668a3af/b4d53f9d351b4b3285c15749afd73cf8 [2019-10-14 22:13:27,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:13:27,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:13:27,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:13:27,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:13:27,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:13:27,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:27" (1/1) ... [2019-10-14 22:13:27,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d0c811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:27, skipping insertion in model container [2019-10-14 22:13:27,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:27" (1/1) ... [2019-10-14 22:13:27,747 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:13:27,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:13:28,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:13:28,782 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:13:29,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:13:29,119 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:13:29,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29 WrapperNode [2019-10-14 22:13:29,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:13:29,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:13:29,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:13:29,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:13:29,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... [2019-10-14 22:13:29,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... [2019-10-14 22:13:29,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... [2019-10-14 22:13:29,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... [2019-10-14 22:13:29,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... [2019-10-14 22:13:29,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... [2019-10-14 22:13:29,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... [2019-10-14 22:13:29,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:13:29,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:13:29,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:13:29,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:13:29,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:13:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:13:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:13:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-14 22:13:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-14 22:13:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-14 22:13:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-14 22:13:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-14 22:13:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:13:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 22:13:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 22:13:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:13:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2019-10-14 22:13:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2019-10-14 22:13:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_ver_check [2019-10-14 22:13:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_count [2019-10-14 22:13:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_name [2019-10-14 22:13:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_data [2019-10-14 22:13:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low_data [2019-10-14 22:13:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_update_device [2019-10-14 22:13:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bmc_data [2019-10-14 22:13:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2019-10-14 22:13:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_show_sensor [2019-10-14 22:13:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low [2019-10-14 22:13:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_sensor [2019-10-14 22:13:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_temp_sensor [2019-10-14 22:13:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure power_sensor_multiplier [2019-10-14 22:13:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sensor [2019-10-14 22:13:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_find_sensors [2019-10-14 22:13:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_register_bmc [2019-10-14 22:13:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2019-10-14 22:13:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_gone [2019-10-14 22:13:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_msg_handler [2019-10-14 22:13:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_init [2019-10-14 22:13:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_exit [2019-10-14 22:13:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:13:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 22:13:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2019-10-14 22:13:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2019-10-14 22:13:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_7 [2019-10-14 22:13:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:13:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:13:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 22:13:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 22:13:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 22:13:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 22:13:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2019-10-14 22:13:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-10-14 22:13:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-10-14 22:13:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:13:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-14 22:13:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-14 22:13:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-14 22:13:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-14 22:13:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-14 22:13:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-14 22:13:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-14 22:13:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 22:13:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-14 22:13:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-14 22:13:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-14 22:13:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2019-10-14 22:13:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2019-10-14 22:13:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2019-10-14 22:13:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2019-10-14 22:13:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2019-10-14 22:13:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2019-10-14 22:13:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2019-10-14 22:13:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:13:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-14 22:13:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-14 22:13:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-14 22:13:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-14 22:13:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-14 22:13:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:13:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:13:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 22:13:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:13:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:13:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 22:13:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-14 22:13:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-14 22:13:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:13:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-14 22:13:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-14 22:13:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-14 22:13:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 22:13:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-14 22:13:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-14 22:13:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:13:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-14 22:13:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-14 22:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-14 22:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-14 22:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-14 22:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-14 22:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-14 22:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-14 22:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2019-10-14 22:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2019-10-14 22:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_7 [2019-10-14 22:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-14 22:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-14 22:13:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 22:13:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-14 22:13:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-14 22:13:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2019-10-14 22:13:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-10-14 22:13:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-10-14 22:13:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:13:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:13:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:13:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:13:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:13:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:13:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 22:13:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 22:13:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:13:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2019-10-14 22:13:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2019-10-14 22:13:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2019-10-14 22:13:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2019-10-14 22:13:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2019-10-14 22:13:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2019-10-14 22:13:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2019-10-14 22:13:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-14 22:13:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-14 22:13:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2019-10-14 22:13:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_msg_handler [2019-10-14 22:13:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_register_bmc [2019-10-14 22:13:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_gone [2019-10-14 22:13:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2019-10-14 22:13:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_ver_check [2019-10-14 22:13:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_count [2019-10-14 22:13:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_name [2019-10-14 22:13:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_data [2019-10-14 22:13:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low_data [2019-10-14 22:13:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_update_device [2019-10-14 22:13:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure get_bmc_data [2019-10-14 22:13:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2019-10-14 22:13:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_show_sensor [2019-10-14 22:13:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low [2019-10-14 22:13:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_sensor [2019-10-14 22:13:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure is_temp_sensor [2019-10-14 22:13:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure power_sensor_multiplier [2019-10-14 22:13:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure create_sensor [2019-10-14 22:13:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:13:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_find_sensors [2019-10-14 22:13:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_init [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_exit [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-14 22:13:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:13:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:13:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:13:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:13:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:13:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:13:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:13:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 22:13:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:13:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 22:13:31,281 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:13:31,281 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 22:13:31,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:31 BoogieIcfgContainer [2019-10-14 22:13:31,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:13:31,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:13:31,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:13:31,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:13:31,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:13:27" (1/3) ... [2019-10-14 22:13:31,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51313585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:31, skipping insertion in model container [2019-10-14 22:13:31,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:29" (2/3) ... [2019-10-14 22:13:31,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51313585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:31, skipping insertion in model container [2019-10-14 22:13:31,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:31" (3/3) ... [2019-10-14 22:13:31,293 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-10-14 22:13:31,304 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:13:31,316 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:13:31,329 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:13:31,369 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:13:31,370 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:13:31,370 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:13:31,370 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:13:31,370 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:13:31,370 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:13:31,370 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:13:31,371 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:13:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2019-10-14 22:13:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-14 22:13:31,453 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:13:31,455 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:13:31,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:13:31,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:13:31,466 INFO L82 PathProgramCache]: Analyzing trace with hash -135061929, now seen corresponding path program 1 times [2019-10-14 22:13:31,475 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:13:31,476 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654245840] [2019-10-14 22:13:31,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:13:31,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:13:31,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:13:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:32,865 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2019-10-14 22:13:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:13:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-14 22:13:33,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654245840] [2019-10-14 22:13:33,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:13:33,520 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-10-14 22:13:33,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296912062] [2019-10-14 22:13:33,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-14 22:13:33,526 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:13:33,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-14 22:13:33,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2019-10-14 22:13:33,544 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 19 states. [2019-10-14 22:13:33,972 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2019-10-14 22:13:36,271 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-10-14 22:13:36,815 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-10-14 22:13:37,925 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-10-14 22:13:41,914 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 22:13:42,578 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-10-14 22:13:44,330 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-10-14 22:13:45,686 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 22:13:46,154 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 22:13:46,576 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 22:13:47,042 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 22:13:47,446 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-10-14 22:13:49,008 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-10-14 22:13:50,720 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2019-10-14 22:13:55,919 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2019-10-14 22:13:57,847 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 22:13:59,606 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 219