java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:16:35,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:16:35,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:16:35,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:16:35,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:16:35,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:16:35,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:16:35,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:16:35,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:16:35,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:16:35,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:16:35,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:16:35,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:16:35,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:16:35,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:16:35,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:16:35,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:16:35,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:16:35,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:16:35,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:16:35,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:16:35,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:16:35,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:16:35,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:16:35,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:16:35,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:16:35,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:16:35,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:16:35,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:16:35,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:16:35,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:16:35,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:16:35,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:16:35,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:16:35,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:16:35,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:16:35,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:16:35,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:16:35,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:16:35,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:16:35,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:16:35,392 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 [2019-10-15 00:16:35,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:16:35,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:16:35,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:16:35,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:16:35,417 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:16:35,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:16:35,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:16:35,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:16:35,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:16:35,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:16:35,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:16:35,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:16:35,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:16:35,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:16:35,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:16:35,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:16:35,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:16:35,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:16:35,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:16:35,422 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:16:35,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:16:35,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:16:35,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:16:35,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:16:35,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:16:35,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:16:35,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:16:35,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:16:35,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:16:35,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:16:35,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:16:35,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:16:35,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:16:35,713 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:16:35,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-10-15 00:16:35,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2f76c4/83b3fcd0265e433fb84b3452641f6b28/FLAG2b2699815 [2019-10-15 00:16:36,397 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:16:36,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-10-15 00:16:36,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2f76c4/83b3fcd0265e433fb84b3452641f6b28/FLAG2b2699815 [2019-10-15 00:16:36,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a2f76c4/83b3fcd0265e433fb84b3452641f6b28 [2019-10-15 00:16:36,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:16:36,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:16:36,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:16:36,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:16:36,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:16:36,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:16:36" (1/1) ... [2019-10-15 00:16:36,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66aab1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:36, skipping insertion in model container [2019-10-15 00:16:36,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:16:36" (1/1) ... [2019-10-15 00:16:36,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:16:36,729 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:16:37,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:16:37,746 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:16:37,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:16:37,995 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:16:37,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37 WrapperNode [2019-10-15 00:16:37,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:16:37,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:16:37,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:16:37,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:16:38,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (1/1) ... [2019-10-15 00:16:38,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (1/1) ... [2019-10-15 00:16:38,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (1/1) ... [2019-10-15 00:16:38,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (1/1) ... [2019-10-15 00:16:38,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (1/1) ... [2019-10-15 00:16:38,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (1/1) ... [2019-10-15 00:16:38,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (1/1) ... [2019-10-15 00:16:38,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:16:38,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:16:38,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:16:38,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:16:38,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (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 [2019-10-15 00:16:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:16:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:16:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:16:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-15 00:16:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-15 00:16:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:16:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-15 00:16:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:16:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:16:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:16:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:16:38,245 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2019-10-15 00:16:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2019-10-15 00:16:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_ver_check [2019-10-15 00:16:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_count [2019-10-15 00:16:38,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_name [2019-10-15 00:16:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_data [2019-10-15 00:16:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low_data [2019-10-15 00:16:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_update_device [2019-10-15 00:16:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bmc_data [2019-10-15 00:16:38,247 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2019-10-15 00:16:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_show_sensor [2019-10-15 00:16:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low [2019-10-15 00:16:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_sensor [2019-10-15 00:16:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure is_temp_sensor [2019-10-15 00:16:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure power_sensor_multiplier [2019-10-15 00:16:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sensor [2019-10-15 00:16:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_find_sensors [2019-10-15 00:16:38,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_register_bmc [2019-10-15 00:16:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2019-10-15 00:16:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_gone [2019-10-15 00:16:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_msg_handler [2019-10-15 00:16:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_init [2019-10-15 00:16:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_exit [2019-10-15 00:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 00:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2019-10-15 00:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2019-10-15 00:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_7 [2019-10-15 00:16:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:16:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:16:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:16:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:16:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:16:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:16:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2019-10-15 00:16:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-10-15 00:16:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-10-15 00:16:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:16:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 00:16:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:16:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:16:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 00:16:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-15 00:16:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:16:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:16:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:16:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-15 00:16:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-15 00:16:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-15 00:16:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2019-10-15 00:16:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2019-10-15 00:16:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2019-10-15 00:16:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2019-10-15 00:16:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2019-10-15 00:16:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2019-10-15 00:16:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2019-10-15 00:16:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:16:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-15 00:16:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:16:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-15 00:16:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:16:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-15 00:16:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:16:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:16:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:16:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:16:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:16:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:16:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:16:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-15 00:16:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:16:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-15 00:16:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:16:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-15 00:16:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 00:16:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:16:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:16:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:16:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:16:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 00:16:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:16:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-15 00:16:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:16:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-15 00:16:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:16:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:16:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-15 00:16:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-15 00:16:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2019-10-15 00:16:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2019-10-15 00:16:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_7 [2019-10-15 00:16:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-15 00:16:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:16:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:16:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:16:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 00:16:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2019-10-15 00:16:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2019-10-15 00:16:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2019-10-15 00:16:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:16:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:16:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:16:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:16:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:16:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:16:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:16:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:16:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:16:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2019-10-15 00:16:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2019-10-15 00:16:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2019-10-15 00:16:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2019-10-15 00:16:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2019-10-15 00:16:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2019-10-15 00:16:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2019-10-15 00:16:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-15 00:16:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-15 00:16:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2019-10-15 00:16:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_msg_handler [2019-10-15 00:16:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_register_bmc [2019-10-15 00:16:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_gone [2019-10-15 00:16:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2019-10-15 00:16:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_ver_check [2019-10-15 00:16:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_count [2019-10-15 00:16:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_name [2019-10-15 00:16:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_data [2019-10-15 00:16:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low_data [2019-10-15 00:16:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_update_device [2019-10-15 00:16:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_bmc_data [2019-10-15 00:16:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2019-10-15 00:16:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_show_sensor [2019-10-15 00:16:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low [2019-10-15 00:16:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_sensor [2019-10-15 00:16:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure is_temp_sensor [2019-10-15 00:16:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure power_sensor_multiplier [2019-10-15 00:16:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure create_sensor [2019-10-15 00:16:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:16:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_find_sensors [2019-10-15 00:16:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2019-10-15 00:16:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:16:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:16:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_init [2019-10-15 00:16:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_exit [2019-10-15 00:16:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:16:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-15 00:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:16:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:16:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:16:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:16:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:16:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:16:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:16:40,242 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:16:40,243 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:16:40,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:16:40 BoogieIcfgContainer [2019-10-15 00:16:40,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:16:40,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:16:40,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:16:40,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:16:40,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:16:36" (1/3) ... [2019-10-15 00:16:40,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d19d143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:16:40, skipping insertion in model container [2019-10-15 00:16:40,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:16:37" (2/3) ... [2019-10-15 00:16:40,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d19d143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:16:40, skipping insertion in model container [2019-10-15 00:16:40,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:16:40" (3/3) ... [2019-10-15 00:16:40,257 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2019-10-15 00:16:40,268 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:16:40,281 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:16:40,294 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:16:40,335 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:16:40,335 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:16:40,335 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:16:40,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:16:40,336 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:16:40,336 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:16:40,336 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:16:40,336 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:16:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2019-10-15 00:16:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 00:16:40,400 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:16:40,401 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] [2019-10-15 00:16:40,403 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:16:40,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:16:40,409 INFO L82 PathProgramCache]: Analyzing trace with hash -135061929, now seen corresponding path program 1 times [2019-10-15 00:16:40,420 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:16:40,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031174146] [2019-10-15 00:16:40,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:16:40,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:16:40,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:16:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:16:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:16:41,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031174146] [2019-10-15 00:16:41,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:16:41,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-15 00:16:41,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87879438] [2019-10-15 00:16:41,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-15 00:16:41,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:16:41,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-15 00:16:41,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-10-15 00:16:41,630 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 15 states. [2019-10-15 00:16:57,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:16:57,166 INFO L93 Difference]: Finished difference Result 3000 states and 3905 transitions. [2019-10-15 00:16:57,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-15 00:16:57,168 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 194 [2019-10-15 00:16:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:16:57,244 INFO L225 Difference]: With dead ends: 3000 [2019-10-15 00:16:57,244 INFO L226 Difference]: Without dead ends: 2495 [2019-10-15 00:16:57,264 INFO L600 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 [2019-10-15 00:16:57,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-10-15 00:16:57,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2206. [2019-10-15 00:16:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2019-10-15 00:16:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2795 transitions. [2019-10-15 00:16:57,651 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2795 transitions. Word has length 194 [2019-10-15 00:16:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:16:57,655 INFO L462 AbstractCegarLoop]: Abstraction has 2206 states and 2795 transitions. [2019-10-15 00:16:57,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-15 00:16:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2795 transitions. [2019-10-15 00:16:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 00:16:57,666 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:16:57,666 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] [2019-10-15 00:16:57,667 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:16:57,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:16:57,667 INFO L82 PathProgramCache]: Analyzing trace with hash 194703832, now seen corresponding path program 1 times [2019-10-15 00:16:57,668 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:16:57,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992986392] [2019-10-15 00:16:57,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:16:57,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:16:57,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:16:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:16:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:16:57,885 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992986392] [2019-10-15 00:16:57,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:16:57,886 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:16:57,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439559399] [2019-10-15 00:16:57,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:16:57,890 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:16:57,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:16:57,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:16:57,891 INFO L87 Difference]: Start difference. First operand 2206 states and 2795 transitions. Second operand 3 states. [2019-10-15 00:16:58,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:16:58,025 INFO L93 Difference]: Finished difference Result 4395 states and 5610 transitions. [2019-10-15 00:16:58,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:16:58,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-15 00:16:58,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:16:58,046 INFO L225 Difference]: With dead ends: 4395 [2019-10-15 00:16:58,047 INFO L226 Difference]: Without dead ends: 2211 [2019-10-15 00:16:58,058 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:16:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2019-10-15 00:16:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2019-10-15 00:16:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2211 states. [2019-10-15 00:16:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2800 transitions. [2019-10-15 00:16:58,283 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2800 transitions. Word has length 194 [2019-10-15 00:16:58,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:16:58,284 INFO L462 AbstractCegarLoop]: Abstraction has 2211 states and 2800 transitions. [2019-10-15 00:16:58,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:16:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2800 transitions. [2019-10-15 00:16:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 00:16:58,295 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:16:58,295 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] [2019-10-15 00:16:58,296 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:16:58,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:16:58,297 INFO L82 PathProgramCache]: Analyzing trace with hash -834655466, now seen corresponding path program 1 times [2019-10-15 00:16:58,297 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:16:58,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176408875] [2019-10-15 00:16:58,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:16:58,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:16:58,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:16:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:16:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:16:58,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176408875] [2019-10-15 00:16:58,873 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:16:58,873 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 00:16:58,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590420085] [2019-10-15 00:16:58,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 00:16:58,875 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:16:58,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 00:16:58,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-15 00:16:58,876 INFO L87 Difference]: Start difference. First operand 2211 states and 2800 transitions. Second operand 11 states. [2019-10-15 00:17:08,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:17:08,725 INFO L93 Difference]: Finished difference Result 3829 states and 4965 transitions. [2019-10-15 00:17:08,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-15 00:17:08,726 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2019-10-15 00:17:08,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:17:08,749 INFO L225 Difference]: With dead ends: 3829 [2019-10-15 00:17:08,750 INFO L226 Difference]: Without dead ends: 3825 [2019-10-15 00:17:08,753 INFO L600 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 [2019-10-15 00:17:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2019-10-15 00:17:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3565. [2019-10-15 00:17:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3565 states. [2019-10-15 00:17:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4558 transitions. [2019-10-15 00:17:08,977 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4558 transitions. Word has length 194 [2019-10-15 00:17:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:17:08,979 INFO L462 AbstractCegarLoop]: Abstraction has 3565 states and 4558 transitions. [2019-10-15 00:17:08,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 00:17:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4558 transitions. [2019-10-15 00:17:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-15 00:17:08,991 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:17:08,992 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, 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] [2019-10-15 00:17:08,993 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:17:08,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:17:08,993 INFO L82 PathProgramCache]: Analyzing trace with hash -964064237, now seen corresponding path program 1 times [2019-10-15 00:17:08,994 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:17:08,994 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128484295] [2019-10-15 00:17:08,994 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:08,994 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:08,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:17:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:17:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:17:09,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128484295] [2019-10-15 00:17:09,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:17:09,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:17:09,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476130544] [2019-10-15 00:17:09,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:17:09,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:17:09,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:17:09,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:17:09,261 INFO L87 Difference]: Start difference. First operand 3565 states and 4558 transitions. Second operand 3 states. [2019-10-15 00:17:09,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:17:09,443 INFO L93 Difference]: Finished difference Result 5396 states and 6962 transitions. [2019-10-15 00:17:09,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:17:09,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-10-15 00:17:09,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:17:09,472 INFO L225 Difference]: With dead ends: 5396 [2019-10-15 00:17:09,473 INFO L226 Difference]: Without dead ends: 4937 [2019-10-15 00:17:09,480 INFO L600 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 [2019-10-15 00:17:09,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2019-10-15 00:17:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4840. [2019-10-15 00:17:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4840 states. [2019-10-15 00:17:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 6183 transitions. [2019-10-15 00:17:09,772 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 6183 transitions. Word has length 208 [2019-10-15 00:17:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:17:09,773 INFO L462 AbstractCegarLoop]: Abstraction has 4840 states and 6183 transitions. [2019-10-15 00:17:09,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:17:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 6183 transitions. [2019-10-15 00:17:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-15 00:17:09,778 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:17:09,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:17:09,778 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:17:09,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:17:09,779 INFO L82 PathProgramCache]: Analyzing trace with hash 2041805916, now seen corresponding path program 1 times [2019-10-15 00:17:09,779 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:17:09,779 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420110256] [2019-10-15 00:17:09,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:09,780 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:09,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:17:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:17:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:17:09,921 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420110256] [2019-10-15 00:17:09,921 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:17:09,921 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:17:09,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744767716] [2019-10-15 00:17:09,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:17:09,923 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:17:09,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:17:09,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:17:09,923 INFO L87 Difference]: Start difference. First operand 4840 states and 6183 transitions. Second operand 3 states. [2019-10-15 00:17:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:17:10,070 INFO L93 Difference]: Finished difference Result 9669 states and 12421 transitions. [2019-10-15 00:17:10,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:17:10,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-15 00:17:10,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:17:10,101 INFO L225 Difference]: With dead ends: 9669 [2019-10-15 00:17:10,101 INFO L226 Difference]: Without dead ends: 4851 [2019-10-15 00:17:10,123 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:17:10,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2019-10-15 00:17:10,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 4851. [2019-10-15 00:17:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4851 states. [2019-10-15 00:17:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 6194 transitions. [2019-10-15 00:17:10,351 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 6194 transitions. Word has length 214 [2019-10-15 00:17:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:17:10,352 INFO L462 AbstractCegarLoop]: Abstraction has 4851 states and 6194 transitions. [2019-10-15 00:17:10,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:17:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 6194 transitions. [2019-10-15 00:17:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-15 00:17:10,357 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:17:10,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:17:10,357 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:17:10,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:17:10,358 INFO L82 PathProgramCache]: Analyzing trace with hash 759633630, now seen corresponding path program 1 times [2019-10-15 00:17:10,358 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:17:10,358 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91154704] [2019-10-15 00:17:10,358 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:10,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:10,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:17:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:17:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-15 00:17:10,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91154704] [2019-10-15 00:17:10,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:17:10,760 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 00:17:10,760 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601401154] [2019-10-15 00:17:10,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 00:17:10,761 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:17:10,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 00:17:10,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-15 00:17:10,762 INFO L87 Difference]: Start difference. First operand 4851 states and 6194 transitions. Second operand 11 states.