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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 23:28:35,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:28:35,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:28:35,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:28:35,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:28:35,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:28:35,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:28:35,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:28:35,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:28:35,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:28:35,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:28:35,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:28:35,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:28:35,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:28:35,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:28:35,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:28:35,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:28:35,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:28:35,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:28:35,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:28:35,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:28:35,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:28:35,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:28:35,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:28:35,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:28:35,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:28:35,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:28:35,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:28:35,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:28:35,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:28:35,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:28:35,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:28:35,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:28:35,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:28:35,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:28:35,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:28:35,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:28:35,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:28:35,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:28:35,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:28:35,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:28:35,683 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 [2019-10-02 23:28:35,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:28:35,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:28:35,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:28:35,700 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:28:35,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:28:35,701 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:28:35,701 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:28:35,701 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:28:35,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:28:35,702 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:28:35,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:28:35,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:28:35,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:28:35,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:28:35,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:28:35,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:28:35,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:28:35,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:28:35,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:28:35,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:28:35,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:28:35,705 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:28:35,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:28:35,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:28:35,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:28:35,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:28:35,706 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:28:35,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:28:35,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:28:35,706 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:28:35,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:28:35,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:28:35,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:28:35,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:28:35,755 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:28:35,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-02 23:28:35,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bf595e6/d5e6e21a0bf04c18ae65d9b6ceddcde4/FLAG1723312b6 [2019-10-02 23:28:36,619 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:28:36,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-02 23:28:36,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bf595e6/d5e6e21a0bf04c18ae65d9b6ceddcde4/FLAG1723312b6 [2019-10-02 23:28:37,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bf595e6/d5e6e21a0bf04c18ae65d9b6ceddcde4 [2019-10-02 23:28:37,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:28:37,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:28:37,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:28:37,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:28:37,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:28:37,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:28:37" (1/1) ... [2019-10-02 23:28:37,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3193cfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:37, skipping insertion in model container [2019-10-02 23:28:37,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:28:37" (1/1) ... [2019-10-02 23:28:37,196 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:28:37,338 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:28:38,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:28:38,656 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:28:39,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:28:39,395 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:28:39,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39 WrapperNode [2019-10-02 23:28:39,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:28:39,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:28:39,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:28:39,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:28:39,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (1/1) ... [2019-10-02 23:28:39,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (1/1) ... [2019-10-02 23:28:39,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (1/1) ... [2019-10-02 23:28:39,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (1/1) ... [2019-10-02 23:28:39,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (1/1) ... [2019-10-02 23:28:39,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (1/1) ... [2019-10-02 23:28:39,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (1/1) ... [2019-10-02 23:28:39,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:28:39,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:28:39,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:28:39,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:28:39,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (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 [2019-10-02 23:28:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:28:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:28:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-02 23:28:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-02 23:28:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-02 23:28:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 23:28:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 23:28:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2019-10-02 23:28:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-02 23:28:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-02 23:28:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-02 23:28:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-02 23:28:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-10-02 23:28:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_MV [2019-10-02 23:28:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2019-10-02 23:28:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure MV_TO_LIMIT [2019-10-02 23:28:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_CURR [2019-10-02 23:28:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2019-10-02 23:28:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2019-10-02 23:28:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2019-10-02 23:28:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2019-10-02 23:28:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_current [2019-10-02 23:28:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2019-10-02 23:28:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2019-10-02 23:28:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2019-10-02 23:28:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_probe [2019-10-02 23:28:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_remove [2019-10-02 23:28:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_init [2019-10-02 23:28:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_exit [2019-10-02 23:28:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:28:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-02 23:28:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-02 23:28:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-02 23:28:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-02 23:28:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-02 23:28:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-02 23:28:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-02 23:28:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-02 23:28:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-02 23:28:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-02 23:28:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-02 23:28:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:28:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:28:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 23:28:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:28:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:28:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 23:28:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 23:28:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:28:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 23:28:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 23:28:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:28:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:28:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:28:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:28:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:28:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:28:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:28:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-02 23:28:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-02 23:28:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-02 23:28:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-02 23:28:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-02 23:28:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-02 23:28:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-02 23:28:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:28:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:28:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 23:28:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 23:28:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 23:28:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-02 23:28:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-02 23:28:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-02 23:28:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-02 23:28:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-02 23:28:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-10-02 23:28:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_data [2019-10-02 23:28:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-10-02 23:28:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-02 23:28:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 23:28:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 23:28:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:28:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-10-02 23:28:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-02 23:28:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-02 23:28:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:28:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:28:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:28:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:28:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-02 23:28:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-02 23:28:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-02 23:28:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 23:28:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 23:28:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 23:28:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 23:28:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 23:28:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-02 23:28:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:28:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-02 23:28:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-02 23:28:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-02 23:28:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-02 23:28:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-02 23:28:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 23:28:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-02 23:28:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-02 23:28:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-02 23:28:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-02 23:28:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-02 23:28:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 23:28:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 23:28:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:28:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:28:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:28:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-02 23:28:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-02 23:28:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:28:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-10-02 23:28:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-02 23:28:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-02 23:28:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-02 23:28:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 23:28:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 23:28:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-10-02 23:28:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-10-02 23:28:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_data [2019-10-02 23:28:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2019-10-02 23:28:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-02 23:28:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-02 23:28:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-02 23:28:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-02 23:28:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-02 23:28:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-02 23:28:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:28:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-02 23:28:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-02 23:28:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-02 23:28:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-10-02 23:28:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_MV [2019-10-02 23:28:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2019-10-02 23:28:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure MV_TO_LIMIT [2019-10-02 23:28:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_CURR [2019-10-02 23:28:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2019-10-02 23:28:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2019-10-02 23:28:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:28:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:28:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2019-10-02 23:28:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:28:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2019-10-02 23:28:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_current [2019-10-02 23:28:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2019-10-02 23:28:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:28:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2019-10-02 23:28:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2019-10-02 23:28:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_probe [2019-10-02 23:28:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:28:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_remove [2019-10-02 23:28:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_init [2019-10-02 23:28:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_exit [2019-10-02 23:28:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:28:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:28:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:28:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:28:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 23:28:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-02 23:28:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:28:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:28:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 23:28:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:28:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 23:28:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:28:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:28:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:28:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:28:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-02 23:28:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-02 23:28:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-02 23:28:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-02 23:28:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-02 23:28:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:28:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:28:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:28:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:28:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:28:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:28:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:28:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:28:51,545 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:28:51,545 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:28:51,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:28:51 BoogieIcfgContainer [2019-10-02 23:28:51,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:28:51,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:28:51,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:28:51,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:28:51,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:28:37" (1/3) ... [2019-10-02 23:28:51,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac7e977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:28:51, skipping insertion in model container [2019-10-02 23:28:51,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:28:39" (2/3) ... [2019-10-02 23:28:51,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac7e977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:28:51, skipping insertion in model container [2019-10-02 23:28:51,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:28:51" (3/3) ... [2019-10-02 23:28:51,557 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-02 23:28:51,568 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:28:51,579 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:28:51,598 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:28:51,633 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:28:51,633 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:28:51,634 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:28:51,634 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:28:51,634 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:28:51,634 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:28:51,634 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:28:51,634 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:28:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states. [2019-10-02 23:28:51,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 23:28:51,702 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:28:51,703 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:28:51,706 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:28:51,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:28:51,712 INFO L82 PathProgramCache]: Analyzing trace with hash 636174297, now seen corresponding path program 1 times [2019-10-02 23:28:51,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:28:51,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:51,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:28:51,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:51,821 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:28:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:28:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:28:53,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:28:53,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:28:53,301 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:28:53,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:28:53,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:28:53,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:28:53,327 INFO L87 Difference]: Start difference. First operand 1329 states. Second operand 3 states. [2019-10-02 23:28:54,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:28:54,707 INFO L93 Difference]: Finished difference Result 2427 states and 3798 transitions. [2019-10-02 23:28:54,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:28:54,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-02 23:28:54,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:28:54,765 INFO L225 Difference]: With dead ends: 2427 [2019-10-02 23:28:54,766 INFO L226 Difference]: Without dead ends: 2413 [2019-10-02 23:28:54,768 INFO L640 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 [2019-10-02 23:28:54,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2019-10-02 23:28:54,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2392. [2019-10-02 23:28:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2392 states. [2019-10-02 23:28:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3761 transitions. [2019-10-02 23:28:55,011 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3761 transitions. Word has length 46 [2019-10-02 23:28:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:28:55,012 INFO L475 AbstractCegarLoop]: Abstraction has 2392 states and 3761 transitions. [2019-10-02 23:28:55,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:28:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3761 transitions. [2019-10-02 23:28:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 23:28:55,017 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:28:55,017 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:28:55,018 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:28:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:28:55,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1075695225, now seen corresponding path program 1 times [2019-10-02 23:28:55,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:28:55,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:55,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:28:55,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:55,032 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:28:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:28:55,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:28:55,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:28:55,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:28:55,710 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:28:55,715 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:28:55,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:28:55,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:28:55,717 INFO L87 Difference]: Start difference. First operand 2392 states and 3761 transitions. Second operand 3 states. [2019-10-02 23:28:56,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:28:56,587 INFO L93 Difference]: Finished difference Result 4761 states and 7489 transitions. [2019-10-02 23:28:56,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:28:56,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 23:28:56,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:28:56,621 INFO L225 Difference]: With dead ends: 4761 [2019-10-02 23:28:56,621 INFO L226 Difference]: Without dead ends: 4761 [2019-10-02 23:28:56,622 INFO L640 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 [2019-10-02 23:28:56,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2019-10-02 23:28:57,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 4740. [2019-10-02 23:28:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4740 states. [2019-10-02 23:28:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 7466 transitions. [2019-10-02 23:28:57,601 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 7466 transitions. Word has length 47 [2019-10-02 23:28:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:28:57,602 INFO L475 AbstractCegarLoop]: Abstraction has 4740 states and 7466 transitions. [2019-10-02 23:28:57,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:28:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 7466 transitions. [2019-10-02 23:28:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-02 23:28:57,607 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:28:57,607 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:28:57,607 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:28:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:28:57,609 INFO L82 PathProgramCache]: Analyzing trace with hash -581717126, now seen corresponding path program 1 times [2019-10-02 23:28:57,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:28:57,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:57,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:28:57,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:57,625 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:28:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:28:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:28:58,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:28:58,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:28:58,294 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:28:58,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:28:58,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:28:58,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:28:58,295 INFO L87 Difference]: Start difference. First operand 4740 states and 7466 transitions. Second operand 3 states. [2019-10-02 23:28:59,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:28:59,118 INFO L93 Difference]: Finished difference Result 9445 states and 14877 transitions. [2019-10-02 23:28:59,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:28:59,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-10-02 23:28:59,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:28:59,190 INFO L225 Difference]: With dead ends: 9445 [2019-10-02 23:28:59,191 INFO L226 Difference]: Without dead ends: 9445 [2019-10-02 23:28:59,191 INFO L640 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 [2019-10-02 23:28:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2019-10-02 23:28:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9424. [2019-10-02 23:28:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9424 states. [2019-10-02 23:28:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9424 states to 9424 states and 14854 transitions. [2019-10-02 23:28:59,603 INFO L78 Accepts]: Start accepts. Automaton has 9424 states and 14854 transitions. Word has length 50 [2019-10-02 23:28:59,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:28:59,604 INFO L475 AbstractCegarLoop]: Abstraction has 9424 states and 14854 transitions. [2019-10-02 23:28:59,604 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:28:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 9424 states and 14854 transitions. [2019-10-02 23:28:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-02 23:28:59,607 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:28:59,607 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:28:59,607 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:28:59,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:28:59,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1311483462, now seen corresponding path program 1 times [2019-10-02 23:28:59,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:28:59,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:59,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:28:59,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:28:59,625 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:28:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:29:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:29:00,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:29:00,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:29:00,156 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:29:00,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:29:00,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:29:00,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:29:00,158 INFO L87 Difference]: Start difference. First operand 9424 states and 14854 transitions. Second operand 3 states. [2019-10-02 23:29:00,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:29:00,850 INFO L93 Difference]: Finished difference Result 18789 states and 29609 transitions. [2019-10-02 23:29:00,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:29:00,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-02 23:29:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:29:01,012 INFO L225 Difference]: With dead ends: 18789 [2019-10-02 23:29:01,013 INFO L226 Difference]: Without dead ends: 18789 [2019-10-02 23:29:01,013 INFO L640 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 [2019-10-02 23:29:01,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18789 states. [2019-10-02 23:29:01,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18789 to 18768. [2019-10-02 23:29:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18768 states. [2019-10-02 23:29:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18768 states to 18768 states and 29586 transitions. [2019-10-02 23:29:01,787 INFO L78 Accepts]: Start accepts. Automaton has 18768 states and 29586 transitions. Word has length 54 [2019-10-02 23:29:01,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:29:01,792 INFO L475 AbstractCegarLoop]: Abstraction has 18768 states and 29586 transitions. [2019-10-02 23:29:01,792 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:29:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 18768 states and 29586 transitions. [2019-10-02 23:29:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-02 23:29:01,800 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:29:01,802 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:29:01,802 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:29:01,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:29:01,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1883819848, now seen corresponding path program 1 times [2019-10-02 23:29:01,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:29:01,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:01,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:29:01,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:01,827 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:29:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:29:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:29:02,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:29:02,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:29:02,946 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:29:02,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:29:02,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:29:02,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:29:02,947 INFO L87 Difference]: Start difference. First operand 18768 states and 29586 transitions. Second operand 3 states. [2019-10-02 23:29:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:29:03,866 INFO L93 Difference]: Finished difference Result 37429 states and 58985 transitions. [2019-10-02 23:29:03,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:29:03,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-02 23:29:03,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:29:04,042 INFO L225 Difference]: With dead ends: 37429 [2019-10-02 23:29:04,043 INFO L226 Difference]: Without dead ends: 37429 [2019-10-02 23:29:04,043 INFO L640 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 [2019-10-02 23:29:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37429 states. [2019-10-02 23:29:05,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37429 to 37408. [2019-10-02 23:29:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37408 states. [2019-10-02 23:29:05,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37408 states to 37408 states and 58962 transitions. [2019-10-02 23:29:05,256 INFO L78 Accepts]: Start accepts. Automaton has 37408 states and 58962 transitions. Word has length 64 [2019-10-02 23:29:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:29:05,257 INFO L475 AbstractCegarLoop]: Abstraction has 37408 states and 58962 transitions. [2019-10-02 23:29:05,257 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:29:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 37408 states and 58962 transitions. [2019-10-02 23:29:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-02 23:29:05,262 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:29:05,262 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:29:05,262 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:29:05,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:29:05,263 INFO L82 PathProgramCache]: Analyzing trace with hash -51889405, now seen corresponding path program 1 times [2019-10-02 23:29:05,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:29:05,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:05,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:29:05,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:05,278 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:29:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:29:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:29:05,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:29:05,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:29:05,828 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:29:05,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:29:05,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:29:05,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:29:05,830 INFO L87 Difference]: Start difference. First operand 37408 states and 58962 transitions. Second operand 3 states. [2019-10-02 23:29:07,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:29:07,835 INFO L93 Difference]: Finished difference Result 74613 states and 117561 transitions. [2019-10-02 23:29:07,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:29:07,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-10-02 23:29:07,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:29:08,201 INFO L225 Difference]: With dead ends: 74613 [2019-10-02 23:29:08,202 INFO L226 Difference]: Without dead ends: 74613 [2019-10-02 23:29:08,203 INFO L640 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 [2019-10-02 23:29:08,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74613 states. [2019-10-02 23:29:12,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74613 to 74592. [2019-10-02 23:29:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74592 states. [2019-10-02 23:29:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74592 states to 74592 states and 117538 transitions. [2019-10-02 23:29:12,441 INFO L78 Accepts]: Start accepts. Automaton has 74592 states and 117538 transitions. Word has length 59 [2019-10-02 23:29:12,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:29:12,441 INFO L475 AbstractCegarLoop]: Abstraction has 74592 states and 117538 transitions. [2019-10-02 23:29:12,441 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:29:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 74592 states and 117538 transitions. [2019-10-02 23:29:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-02 23:29:12,445 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:29:12,445 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:29:12,445 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:29:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:29:12,446 INFO L82 PathProgramCache]: Analyzing trace with hash -511619575, now seen corresponding path program 1 times [2019-10-02 23:29:12,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:29:12,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:12,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:29:12,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:12,463 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:29:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:29:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:29:13,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:29:13,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:29:13,136 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:29:13,136 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:29:13,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:29:13,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:29:13,137 INFO L87 Difference]: Start difference. First operand 74592 states and 117538 transitions. Second operand 3 states. [2019-10-02 23:29:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:29:14,795 INFO L93 Difference]: Finished difference Result 148789 states and 234361 transitions. [2019-10-02 23:29:14,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:29:14,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-10-02 23:29:14,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:29:15,323 INFO L225 Difference]: With dead ends: 148789 [2019-10-02 23:29:15,324 INFO L226 Difference]: Without dead ends: 148789 [2019-10-02 23:29:15,325 INFO L640 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 [2019-10-02 23:29:15,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148789 states. [2019-10-02 23:29:20,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148789 to 148768. [2019-10-02 23:29:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148768 states. [2019-10-02 23:29:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148768 states to 148768 states and 234338 transitions. [2019-10-02 23:29:21,102 INFO L78 Accepts]: Start accepts. Automaton has 148768 states and 234338 transitions. Word has length 62 [2019-10-02 23:29:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:29:21,103 INFO L475 AbstractCegarLoop]: Abstraction has 148768 states and 234338 transitions. [2019-10-02 23:29:21,103 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:29:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 148768 states and 234338 transitions. [2019-10-02 23:29:21,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-02 23:29:21,106 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:29:21,106 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:29:21,107 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:29:21,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:29:21,108 INFO L82 PathProgramCache]: Analyzing trace with hash 676677570, now seen corresponding path program 1 times [2019-10-02 23:29:21,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:29:21,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:21,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:29:21,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:21,119 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:29:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:29:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:29:21,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:29:21,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:29:21,611 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:29:21,612 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:29:21,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:29:21,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:29:21,613 INFO L87 Difference]: Start difference. First operand 148768 states and 234338 transitions. Second operand 3 states. [2019-10-02 23:29:23,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:29:23,542 INFO L93 Difference]: Finished difference Result 296757 states and 467257 transitions. [2019-10-02 23:29:23,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:29:23,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2019-10-02 23:29:23,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:29:29,302 INFO L225 Difference]: With dead ends: 296757 [2019-10-02 23:29:29,302 INFO L226 Difference]: Without dead ends: 296757 [2019-10-02 23:29:29,303 INFO L640 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 [2019-10-02 23:29:29,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296757 states. [2019-10-02 23:29:33,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296757 to 296736. [2019-10-02 23:29:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296736 states. [2019-10-02 23:29:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296736 states to 296736 states and 467234 transitions. [2019-10-02 23:29:40,053 INFO L78 Accepts]: Start accepts. Automaton has 296736 states and 467234 transitions. Word has length 71 [2019-10-02 23:29:40,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:29:40,054 INFO L475 AbstractCegarLoop]: Abstraction has 296736 states and 467234 transitions. [2019-10-02 23:29:40,054 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:29:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand 296736 states and 467234 transitions. [2019-10-02 23:29:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-02 23:29:40,057 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:29:40,057 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:29:40,057 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:29:40,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:29:40,058 INFO L82 PathProgramCache]: Analyzing trace with hash 562666756, now seen corresponding path program 1 times [2019-10-02 23:29:40,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:29:40,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:40,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:29:40,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:29:40,069 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:29:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:29:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:29:40,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:29:40,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:29:40,771 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:29:40,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:29:40,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:29:40,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:29:40,772 INFO L87 Difference]: Start difference. First operand 296736 states and 467234 transitions. Second operand 3 states. [2019-10-02 23:29:51,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:29:51,420 INFO L93 Difference]: Finished difference Result 591925 states and 931641 transitions. [2019-10-02 23:29:51,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:29:51,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-02 23:29:51,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:29:53,464 INFO L225 Difference]: With dead ends: 591925 [2019-10-02 23:29:53,464 INFO L226 Difference]: Without dead ends: 591925 [2019-10-02 23:29:53,465 INFO L640 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 [2019-10-02 23:29:53,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591925 states. [2019-10-02 23:30:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591925 to 591904. [2019-10-02 23:30:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591904 states. [2019-10-02 23:30:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591904 states to 591904 states and 931618 transitions. [2019-10-02 23:30:16,270 INFO L78 Accepts]: Start accepts. Automaton has 591904 states and 931618 transitions. Word has length 68 [2019-10-02 23:30:16,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:30:16,270 INFO L475 AbstractCegarLoop]: Abstraction has 591904 states and 931618 transitions. [2019-10-02 23:30:16,270 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:30:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 591904 states and 931618 transitions. [2019-10-02 23:30:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-02 23:30:16,274 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:30:16,274 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:30:16,274 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:30:16,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:30:16,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1766273364, now seen corresponding path program 1 times [2019-10-02 23:30:16,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:30:16,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:30:16,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:30:16,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:30:16,285 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:30:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:30:16,768 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-10-02 23:30:16,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 23:30:16,769 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-02 23:30:16,771 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-10-02 23:30:16,772 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-10-02 23:30:16,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 23:30:16,772 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 23:30:17,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:30:17,267 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-10-02 23:30:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:30:22,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 11208 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 23:30:22,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 23:30:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:30:22,461 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-02 23:30:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:30:22,611 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:30:22,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-02 23:30:22,611 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:30:22,612 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:30:22,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:30:22,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:30:22,613 INFO L87 Difference]: Start difference. First operand 591904 states and 931618 transitions. Second operand 3 states. [2019-10-02 23:30:43,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:30:43,007 INFO L93 Difference]: Finished difference Result 1178677 states and 1854009 transitions. [2019-10-02 23:30:43,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:30:43,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-10-02 23:30:43,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:30:47,956 INFO L225 Difference]: With dead ends: 1178677 [2019-10-02 23:30:47,956 INFO L226 Difference]: Without dead ends: 1178677 [2019-10-02 23:30:47,957 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:30:48,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178677 states. [2019-10-02 23:31:33,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178677 to 1178656. [2019-10-02 23:31:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178656 states. [2019-10-02 23:31:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178656 states to 1178656 states and 1853986 transitions. [2019-10-02 23:31:53,621 INFO L78 Accepts]: Start accepts. Automaton has 1178656 states and 1853986 transitions. Word has length 78 [2019-10-02 23:31:53,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:31:53,621 INFO L475 AbstractCegarLoop]: Abstraction has 1178656 states and 1853986 transitions. [2019-10-02 23:31:53,621 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:31:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1178656 states and 1853986 transitions. [2019-10-02 23:31:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-02 23:31:53,624 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:31:53,624 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:31:53,624 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:31:53,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:31:53,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1893409664, now seen corresponding path program 1 times [2019-10-02 23:31:53,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:31:53,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:31:53,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:31:53,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:31:53,635 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation)