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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:42:24,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:42:24,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:42:24,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:42:24,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:42:24,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:42:24,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:42:24,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:42:24,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:42:24,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:42:24,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:42:24,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:42:24,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:42:24,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:42:24,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:42:24,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:42:24,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:42:24,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:42:24,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:42:24,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:42:24,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:42:24,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:42:24,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:42:24,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:42:24,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:42:24,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:42:24,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:42:24,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:42:24,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:42:24,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:42:24,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:42:24,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:42:24,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:42:24,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:42:24,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:42:24,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:42:24,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:42:24,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:42:24,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:42:24,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:42:24,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:42:24,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:42:24,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:42:24,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:42:24,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:42:24,606 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:42:24,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:42:24,607 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:42:24,607 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:42:24,608 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:42:24,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:42:24,608 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:42:24,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:42:24,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:42:24,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:42:24,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:42:24,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:42:24,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:42:24,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:42:24,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:42:24,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:42:24,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:42:24,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:42:24,611 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:42:24,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:42:24,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:42:24,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:42:24,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:42:24,612 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:42:24,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:42:24,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:42:24,613 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:42:24,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:42:24,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:42:24,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:42:24,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:42:24,673 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:42:24,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-09-20 13:42:24,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e1be61a/cb75e156b2cf4e328c6d23b99c17d502/FLAG0cfa31858 [2019-09-20 13:42:25,511 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:42:25,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-09-20 13:42:25,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e1be61a/cb75e156b2cf4e328c6d23b99c17d502/FLAG0cfa31858 [2019-09-20 13:42:25,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e1be61a/cb75e156b2cf4e328c6d23b99c17d502 [2019-09-20 13:42:25,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:42:25,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:42:25,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:42:25,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:42:25,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:42:25,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:42:25" (1/1) ... [2019-09-20 13:42:25,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f55d4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:25, skipping insertion in model container [2019-09-20 13:42:25,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:42:25" (1/1) ... [2019-09-20 13:42:25,645 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:42:25,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:42:26,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:42:26,810 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:42:26,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:42:27,063 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:42:27,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27 WrapperNode [2019-09-20 13:42:27,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:42:27,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:42:27,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:42:27,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:42:27,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (1/1) ... [2019-09-20 13:42:27,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:42:27,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:42:27,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:42:27,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:42:27,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (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 [2019-09-20 13:42:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:42:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:42:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-20 13:42:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-20 13:42:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-09-20 13:42:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-20 13:42:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-20 13:42:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:42:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:42:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:42:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:42:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2019-09-20 13:42:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2019-09-20 13:42:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_ver_check [2019-09-20 13:42:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_count [2019-09-20 13:42:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_name [2019-09-20 13:42:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_data [2019-09-20 13:42:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low_data [2019-09-20 13:42:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_update_device [2019-09-20 13:42:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bmc_data [2019-09-20 13:42:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2019-09-20 13:42:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_show_sensor [2019-09-20 13:42:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low [2019-09-20 13:42:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_sensor [2019-09-20 13:42:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure is_temp_sensor [2019-09-20 13:42:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure power_sensor_multiplier [2019-09-20 13:42:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sensor [2019-09-20 13:42:27,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_find_sensors [2019-09-20 13:42:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_register_bmc [2019-09-20 13:42:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2019-09-20 13:42:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_gone [2019-09-20 13:42:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_msg_handler [2019-09-20 13:42:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_init [2019-09-20 13:42:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_exit [2019-09-20 13:42:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:42:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:42:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2019-09-20 13:42:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2019-09-20 13:42:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_7 [2019-09-20 13:42:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:42:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:42:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:42:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:42:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:42:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:42:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2019-09-20 13:42:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-09-20 13:42:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:42:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:42:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:42:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-20 13:42:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-09-20 13:42:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-09-20 13:42:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2019-09-20 13:42:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2019-09-20 13:42:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2019-09-20 13:42:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2019-09-20 13:42:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2019-09-20 13:42:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2019-09-20 13:42:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2019-09-20 13:42:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:42:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-20 13:42:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 13:42:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-20 13:42:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:42:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-20 13:42:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:42:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:42:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:42:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:42:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:42:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:42:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-20 13:42:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-20 13:42:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:42:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-09-20 13:42:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:42:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-20 13:42:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:42:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-20 13:42:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-20 13:42:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:42:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:42:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_7 [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:42:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:42:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:42:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:42:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:42:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2019-09-20 13:42:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2019-09-20 13:42:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2019-09-20 13:42:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2019-09-20 13:42:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2019-09-20 13:42:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2019-09-20 13:42:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2019-09-20 13:42:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-09-20 13:42:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-09-20 13:42:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2019-09-20 13:42:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_msg_handler [2019-09-20 13:42:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_register_bmc [2019-09-20 13:42:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_gone [2019-09-20 13:42:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2019-09-20 13:42:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_ver_check [2019-09-20 13:42:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_count [2019-09-20 13:42:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_name [2019-09-20 13:42:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_data [2019-09-20 13:42:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low_data [2019-09-20 13:42:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_update_device [2019-09-20 13:42:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_bmc_data [2019-09-20 13:42:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2019-09-20 13:42:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_show_sensor [2019-09-20 13:42:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low [2019-09-20 13:42:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_sensor [2019-09-20 13:42:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_temp_sensor [2019-09-20 13:42:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure power_sensor_multiplier [2019-09-20 13:42:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure create_sensor [2019-09-20 13:42:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:42:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_find_sensors [2019-09-20 13:42:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2019-09-20 13:42:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:42:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:42:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_init [2019-09-20 13:42:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_exit [2019-09-20 13:42:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:42:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:42:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-20 13:42:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:42:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:42:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:42:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:42:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:42:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:42:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:42:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:42:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:42:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:42:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:42:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:42:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:42:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:42:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:42:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:42:27,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:42:29,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:42:29,219 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:42:29,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:42:29 BoogieIcfgContainer [2019-09-20 13:42:29,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:42:29,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:42:29,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:42:29,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:42:29,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:42:25" (1/3) ... [2019-09-20 13:42:29,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d10ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:42:29, skipping insertion in model container [2019-09-20 13:42:29,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:42:27" (2/3) ... [2019-09-20 13:42:29,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d10ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:42:29, skipping insertion in model container [2019-09-20 13:42:29,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:42:29" (3/3) ... [2019-09-20 13:42:29,232 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-09-20 13:42:29,243 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:42:29,254 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:42:29,272 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:42:29,304 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:42:29,304 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:42:29,304 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:42:29,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:42:29,305 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:42:29,305 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:42:29,305 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:42:29,305 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:42:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2019-09-20 13:42:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-20 13:42:29,381 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:29,382 INFO L407 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] [2019-09-20 13:42:29,385 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:29,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:29,391 INFO L82 PathProgramCache]: Analyzing trace with hash -135061929, now seen corresponding path program 1 times [2019-09-20 13:42:29,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:29,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:29,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:29,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:29,469 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-20 13:42:30,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:30,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-20 13:42:30,538 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:30,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:42:30,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:42:30,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:42:30,563 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 15 states. [2019-09-20 13:42:47,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:47,415 INFO L93 Difference]: Finished difference Result 2600 states and 3341 transitions. [2019-09-20 13:42:47,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-09-20 13:42:47,422 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 194 [2019-09-20 13:42:47,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:47,472 INFO L225 Difference]: With dead ends: 2600 [2019-09-20 13:42:47,472 INFO L226 Difference]: Without dead ends: 2495 [2019-09-20 13:42:47,475 INFO L636 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 [2019-09-20 13:42:47,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-09-20 13:42:47,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2206. [2019-09-20 13:42:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2019-09-20 13:42:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2795 transitions. [2019-09-20 13:42:47,723 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2795 transitions. Word has length 194 [2019-09-20 13:42:47,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:47,728 INFO L475 AbstractCegarLoop]: Abstraction has 2206 states and 2795 transitions. [2019-09-20 13:42:47,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:42:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2795 transitions. [2019-09-20 13:42:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-20 13:42:47,757 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:47,757 INFO L407 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] [2019-09-20 13:42:47,758 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:47,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:47,760 INFO L82 PathProgramCache]: Analyzing trace with hash 194703832, now seen corresponding path program 1 times [2019-09-20 13:42:47,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:47,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:47,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:47,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:47,774 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-20 13:42:48,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:48,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:48,087 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:48,090 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:48,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:48,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:48,091 INFO L87 Difference]: Start difference. First operand 2206 states and 2795 transitions. Second operand 3 states. [2019-09-20 13:42:48,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:48,140 INFO L93 Difference]: Finished difference Result 2211 states and 2800 transitions. [2019-09-20 13:42:48,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:48,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-09-20 13:42:48,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:48,157 INFO L225 Difference]: With dead ends: 2211 [2019-09-20 13:42:48,158 INFO L226 Difference]: Without dead ends: 2211 [2019-09-20 13:42:48,159 INFO L636 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 [2019-09-20 13:42:48,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2019-09-20 13:42:48,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2019-09-20 13:42:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2211 states. [2019-09-20 13:42:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2800 transitions. [2019-09-20 13:42:48,254 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2800 transitions. Word has length 194 [2019-09-20 13:42:48,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:48,255 INFO L475 AbstractCegarLoop]: Abstraction has 2211 states and 2800 transitions. [2019-09-20 13:42:48,264 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2800 transitions. [2019-09-20 13:42:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-20 13:42:48,270 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:48,270 INFO L407 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] [2019-09-20 13:42:48,271 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:48,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:48,271 INFO L82 PathProgramCache]: Analyzing trace with hash -834655466, now seen corresponding path program 1 times [2019-09-20 13:42:48,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:48,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:48,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:48,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:48,279 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-20 13:42:48,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:48,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-20 13:42:48,617 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:48,618 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:42:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:42:48,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:42:48,619 INFO L87 Difference]: Start difference. First operand 2211 states and 2800 transitions. Second operand 11 states. [2019-09-20 13:42:58,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:58,340 INFO L93 Difference]: Finished difference Result 3825 states and 4960 transitions. [2019-09-20 13:42:58,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-09-20 13:42:58,341 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2019-09-20 13:42:58,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:58,360 INFO L225 Difference]: With dead ends: 3825 [2019-09-20 13:42:58,361 INFO L226 Difference]: Without dead ends: 3825 [2019-09-20 13:42:58,361 INFO L636 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 [2019-09-20 13:42:58,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2019-09-20 13:42:58,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3565. [2019-09-20 13:42:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3565 states. [2019-09-20 13:42:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4558 transitions. [2019-09-20 13:42:58,496 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4558 transitions. Word has length 194 [2019-09-20 13:42:58,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:58,497 INFO L475 AbstractCegarLoop]: Abstraction has 3565 states and 4558 transitions. [2019-09-20 13:42:58,497 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:42:58,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4558 transitions. [2019-09-20 13:42:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-09-20 13:42:58,502 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:58,502 INFO L407 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] [2019-09-20 13:42:58,502 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:58,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:58,503 INFO L82 PathProgramCache]: Analyzing trace with hash -964064237, now seen corresponding path program 1 times [2019-09-20 13:42:58,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:58,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:58,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:58,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:58,508 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-20 13:42:58,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:58,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:58,747 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:58,748 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:58,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:58,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:58,749 INFO L87 Difference]: Start difference. First operand 3565 states and 4558 transitions. Second operand 3 states. [2019-09-20 13:42:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:58,896 INFO L93 Difference]: Finished difference Result 4937 states and 6329 transitions. [2019-09-20 13:42:58,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:58,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-09-20 13:42:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:58,922 INFO L225 Difference]: With dead ends: 4937 [2019-09-20 13:42:58,922 INFO L226 Difference]: Without dead ends: 4937 [2019-09-20 13:42:58,923 INFO L636 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 [2019-09-20 13:42:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2019-09-20 13:42:59,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4840. [2019-09-20 13:42:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4840 states. [2019-09-20 13:42:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 6183 transitions. [2019-09-20 13:42:59,093 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 6183 transitions. Word has length 208 [2019-09-20 13:42:59,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:59,093 INFO L475 AbstractCegarLoop]: Abstraction has 4840 states and 6183 transitions. [2019-09-20 13:42:59,093 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 6183 transitions. [2019-09-20 13:42:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-20 13:42:59,097 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:59,098 INFO L407 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] [2019-09-20 13:42:59,098 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:59,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:59,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2041805916, now seen corresponding path program 1 times [2019-09-20 13:42:59,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:59,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:59,103 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-20 13:42:59,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:59,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:42:59,237 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:59,238 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:42:59,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:42:59,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:42:59,239 INFO L87 Difference]: Start difference. First operand 4840 states and 6183 transitions. Second operand 3 states. [2019-09-20 13:42:59,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:42:59,274 INFO L93 Difference]: Finished difference Result 4851 states and 6194 transitions. [2019-09-20 13:42:59,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:42:59,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-09-20 13:42:59,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:42:59,308 INFO L225 Difference]: With dead ends: 4851 [2019-09-20 13:42:59,308 INFO L226 Difference]: Without dead ends: 4851 [2019-09-20 13:42:59,308 INFO L636 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 [2019-09-20 13:42:59,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2019-09-20 13:42:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 4851. [2019-09-20 13:42:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4851 states. [2019-09-20 13:42:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 6194 transitions. [2019-09-20 13:42:59,464 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 6194 transitions. Word has length 214 [2019-09-20 13:42:59,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:42:59,465 INFO L475 AbstractCegarLoop]: Abstraction has 4851 states and 6194 transitions. [2019-09-20 13:42:59,465 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:42:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 6194 transitions. [2019-09-20 13:42:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-20 13:42:59,469 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:42:59,469 INFO L407 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] [2019-09-20 13:42:59,470 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:42:59,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:42:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash 759633630, now seen corresponding path program 1 times [2019-09-20 13:42:59,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:42:59,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:59,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:42:59,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:42:59,480 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:42:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:42:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-20 13:42:59,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:42:59,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-20 13:42:59,859 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:42:59,860 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:42:59,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:42:59,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:42:59,861 INFO L87 Difference]: Start difference. First operand 4851 states and 6194 transitions. Second operand 11 states.