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 0.1.24-112bae1 [2019-09-10 10:30:14,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:30:14,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:30:14,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:30:14,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:30:14,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:30:14,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:30:14,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:30:14,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:30:14,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:30:14,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:30:14,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:30:14,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:30:14,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:30:14,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:30:14,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:30:14,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:30:14,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:30:14,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:30:14,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:30:14,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:30:14,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:30:14,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:30:14,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:30:14,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:30:14,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:30:14,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:30:14,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:30:14,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:30:14,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:30:14,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:30:14,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:30:14,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:30:14,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:30:14,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:30:14,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:30:14,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:30:14,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:30:14,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:30:14,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:30:14,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:30:14,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:30:14,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:30:14,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:30:14,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:30:14,914 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:30:14,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:30:14,915 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:30:14,915 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:30:14,915 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:30:14,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:30:14,915 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:30:14,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:30:14,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:30:14,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:30:14,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:30:14,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:30:14,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:30:14,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:30:14,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:30:14,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:30:14,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:30:14,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:30:14,918 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:30:14,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:30:14,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:30:14,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:30:14,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:30:14,919 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:30:14,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:30:14,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:30:14,920 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:30:14,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:30:14,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:30:14,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:30:14,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:30:14,965 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:30:14,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-09-10 10:30:15,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e435a1d14/b4963f4746744dc88af99a30b5ccb884/FLAG96f20ffcd [2019-09-10 10:30:15,801 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:30:15,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-09-10 10:30:15,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e435a1d14/b4963f4746744dc88af99a30b5ccb884/FLAG96f20ffcd [2019-09-10 10:30:16,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e435a1d14/b4963f4746744dc88af99a30b5ccb884 [2019-09-10 10:30:16,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:30:16,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:30:16,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:30:16,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:30:16,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:30:16,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:30:16" (1/1) ... [2019-09-10 10:30:16,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fba596d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:16, skipping insertion in model container [2019-09-10 10:30:16,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:30:16" (1/1) ... [2019-09-10 10:30:16,362 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:30:16,495 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:30:17,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:30:17,891 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:30:18,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:30:18,510 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:30:18,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18 WrapperNode [2019-09-10 10:30:18,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:30:18,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:30:18,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:30:18,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:30:18,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... [2019-09-10 10:30:18,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... [2019-09-10 10:30:18,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... [2019-09-10 10:30:18,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... [2019-09-10 10:30:18,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... [2019-09-10 10:30:18,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... [2019-09-10 10:30:18,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... [2019-09-10 10:30:18,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:30:18,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:30:18,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:30:18,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:30:18,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:30:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:30:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:30:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-09-10 10:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-10 10:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-09-10 10:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 10:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 10:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2019-09-10 10:30:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-09-10 10:30:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-09-10 10:30:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-09-10 10:30:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-09-10 10:30:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-09-10 10:30:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_MV [2019-09-10 10:30:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2019-09-10 10:30:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure MV_TO_LIMIT [2019-09-10 10:30:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_CURR [2019-09-10 10:30:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2019-09-10 10:30:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2019-09-10 10:30:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2019-09-10 10:30:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2019-09-10 10:30:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_current [2019-09-10 10:30:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2019-09-10 10:30:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2019-09-10 10:30:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2019-09-10 10:30:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_probe [2019-09-10 10:30:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_remove [2019-09-10 10:30:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_init [2019-09-10 10:30:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_exit [2019-09-10 10:30:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:30:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-10 10:30:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-10 10:30:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-10 10:30:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-10 10:30:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-10 10:30:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-10 10:30:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 10:30:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-09-10 10:30:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-10 10:30:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-09-10 10:30:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-10 10:30:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:30:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:30:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:30:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:30:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:30:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 10:30:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-09-10 10:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-09-10 10:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-09-10 10:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-09-10 10:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-09-10 10:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-09-10 10:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-09-10 10:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 10:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 10:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 10:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-09-10 10:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-09-10 10:30:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-09-10 10:30:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-09-10 10:30:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-09-10 10:30:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-09-10 10:30:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_data [2019-09-10 10:30:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-09-10 10:30:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-09-10 10:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 10:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 10:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-09-10 10:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-09-10 10:30:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-09-10 10:30:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:30:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-10 10:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-09-10 10:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-09-10 10:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 10:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 10:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 10:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 10:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 10:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-10 10:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-10 10:30:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-10 10:30:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 10:30:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-10 10:30:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-10 10:30:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 10:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-10 10:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-10 10:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-10 10:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-09-10 10:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-09-10 10:30:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 10:30:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 10:30:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:30:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:30:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:30:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-09-10 10:30:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-09-10 10:30:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-09-10 10:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-09-10 10:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-09-10 10:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-09-10 10:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 10:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 10:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-09-10 10:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-09-10 10:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_data [2019-09-10 10:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2019-09-10 10:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-09-10 10:30:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-09-10 10:30:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-09-10 10:30:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-09-10 10:30:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-09-10 10:30:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-09-10 10:30:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-09-10 10:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-09-10 10:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-09-10 10:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-09-10 10:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_MV [2019-09-10 10:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2019-09-10 10:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure MV_TO_LIMIT [2019-09-10 10:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_CURR [2019-09-10 10:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2019-09-10 10:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2019-09-10 10:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_current [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2019-09-10 10:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_probe [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_remove [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_init [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_exit [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-09-10 10:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-09-10 10:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-09-10 10:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-09-10 10:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-09-10 10:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:30:29,421 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:30:29,421 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:30:29,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:30:29 BoogieIcfgContainer [2019-09-10 10:30:29,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:30:29,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:30:29,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:30:29,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:30:29,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:30:16" (1/3) ... [2019-09-10 10:30:29,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4637d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:30:29, skipping insertion in model container [2019-09-10 10:30:29,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:30:18" (2/3) ... [2019-09-10 10:30:29,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4637d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:30:29, skipping insertion in model container [2019-09-10 10:30:29,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:30:29" (3/3) ... [2019-09-10 10:30:29,430 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-09-10 10:30:29,440 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:30:29,449 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:30:29,466 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:30:29,494 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:30:29,494 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:30:29,495 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:30:29,495 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:30:29,495 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:30:29,495 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:30:29,495 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:30:29,495 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:30:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states. [2019-09-10 10:30:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 10:30:29,553 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:29,555 INFO L399 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] [2019-09-10 10:30:29,557 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:29,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:29,563 INFO L82 PathProgramCache]: Analyzing trace with hash 636174297, now seen corresponding path program 1 times [2019-09-10 10:30:29,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:29,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:29,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:29,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:29,633 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:31,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:31,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:31,014 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:31,022 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:31,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:31,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:31,048 INFO L87 Difference]: Start difference. First operand 1329 states. Second operand 3 states. [2019-09-10 10:30:32,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:32,441 INFO L93 Difference]: Finished difference Result 2427 states and 3798 transitions. [2019-09-10 10:30:32,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:32,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-09-10 10:30:32,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:30:32,495 INFO L225 Difference]: With dead ends: 2427 [2019-09-10 10:30:32,495 INFO L226 Difference]: Without dead ends: 2413 [2019-09-10 10:30:32,499 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:32,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2019-09-10 10:30:32,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2392. [2019-09-10 10:30:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2392 states. [2019-09-10 10:30:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3761 transitions. [2019-09-10 10:30:32,719 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3761 transitions. Word has length 46 [2019-09-10 10:30:32,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:30:32,719 INFO L475 AbstractCegarLoop]: Abstraction has 2392 states and 3761 transitions. [2019-09-10 10:30:32,720 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:30:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3761 transitions. [2019-09-10 10:30:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 10:30:32,735 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:32,736 INFO L399 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] [2019-09-10 10:30:32,738 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:32,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:32,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1075695225, now seen corresponding path program 1 times [2019-09-10 10:30:32,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:32,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:32,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:32,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:32,747 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:34,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:34,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:34,246 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:34,250 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:34,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:34,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:34,251 INFO L87 Difference]: Start difference. First operand 2392 states and 3761 transitions. Second operand 3 states. [2019-09-10 10:30:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:35,146 INFO L93 Difference]: Finished difference Result 4761 states and 7489 transitions. [2019-09-10 10:30:35,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:35,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 10:30:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:30:35,181 INFO L225 Difference]: With dead ends: 4761 [2019-09-10 10:30:35,182 INFO L226 Difference]: Without dead ends: 4761 [2019-09-10 10:30:35,183 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:35,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2019-09-10 10:30:35,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 4740. [2019-09-10 10:30:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4740 states. [2019-09-10 10:30:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 7466 transitions. [2019-09-10 10:30:35,366 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 7466 transitions. Word has length 47 [2019-09-10 10:30:35,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:30:35,367 INFO L475 AbstractCegarLoop]: Abstraction has 4740 states and 7466 transitions. [2019-09-10 10:30:35,367 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:30:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 7466 transitions. [2019-09-10 10:30:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-09-10 10:30:35,370 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:35,370 INFO L399 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] [2019-09-10 10:30:35,370 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:35,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:35,371 INFO L82 PathProgramCache]: Analyzing trace with hash -581717126, now seen corresponding path program 1 times [2019-09-10 10:30:35,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:35,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:35,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:35,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:35,373 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:35,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:35,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:35,891 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:35,891 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:35,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:35,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:35,893 INFO L87 Difference]: Start difference. First operand 4740 states and 7466 transitions. Second operand 3 states. [2019-09-10 10:30:36,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:36,540 INFO L93 Difference]: Finished difference Result 9445 states and 14877 transitions. [2019-09-10 10:30:36,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:36,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-09-10 10:30:36,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:30:36,601 INFO L225 Difference]: With dead ends: 9445 [2019-09-10 10:30:36,601 INFO L226 Difference]: Without dead ends: 9445 [2019-09-10 10:30:36,602 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:36,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2019-09-10 10:30:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9424. [2019-09-10 10:30:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9424 states. [2019-09-10 10:30:36,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9424 states to 9424 states and 14854 transitions. [2019-09-10 10:30:36,996 INFO L78 Accepts]: Start accepts. Automaton has 9424 states and 14854 transitions. Word has length 50 [2019-09-10 10:30:36,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:30:36,996 INFO L475 AbstractCegarLoop]: Abstraction has 9424 states and 14854 transitions. [2019-09-10 10:30:36,996 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:30:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 9424 states and 14854 transitions. [2019-09-10 10:30:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-10 10:30:36,998 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:36,999 INFO L399 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] [2019-09-10 10:30:36,999 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:36,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:36,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1311483462, now seen corresponding path program 1 times [2019-09-10 10:30:36,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:37,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:37,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:37,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:37,002 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:37,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:37,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:37,447 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:37,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:37,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:37,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:37,448 INFO L87 Difference]: Start difference. First operand 9424 states and 14854 transitions. Second operand 3 states. [2019-09-10 10:30:38,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:38,109 INFO L93 Difference]: Finished difference Result 18789 states and 29609 transitions. [2019-09-10 10:30:38,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:38,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-09-10 10:30:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:30:38,261 INFO L225 Difference]: With dead ends: 18789 [2019-09-10 10:30:38,261 INFO L226 Difference]: Without dead ends: 18789 [2019-09-10 10:30:38,262 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:38,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18789 states. [2019-09-10 10:30:39,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18789 to 18768. [2019-09-10 10:30:39,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18768 states. [2019-09-10 10:30:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18768 states to 18768 states and 29586 transitions. [2019-09-10 10:30:39,123 INFO L78 Accepts]: Start accepts. Automaton has 18768 states and 29586 transitions. Word has length 54 [2019-09-10 10:30:39,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:30:39,125 INFO L475 AbstractCegarLoop]: Abstraction has 18768 states and 29586 transitions. [2019-09-10 10:30:39,125 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:30:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 18768 states and 29586 transitions. [2019-09-10 10:30:39,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 10:30:39,129 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:39,129 INFO L399 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] [2019-09-10 10:30:39,130 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:39,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:39,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1883819848, now seen corresponding path program 1 times [2019-09-10 10:30:39,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:39,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:39,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:39,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:39,135 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:39,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:39,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:39,574 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:39,574 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:39,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:39,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:39,575 INFO L87 Difference]: Start difference. First operand 18768 states and 29586 transitions. Second operand 3 states. [2019-09-10 10:30:40,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:40,383 INFO L93 Difference]: Finished difference Result 37429 states and 58985 transitions. [2019-09-10 10:30:40,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:40,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-10 10:30:40,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:30:40,512 INFO L225 Difference]: With dead ends: 37429 [2019-09-10 10:30:40,513 INFO L226 Difference]: Without dead ends: 37429 [2019-09-10 10:30:40,513 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:40,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37429 states. [2019-09-10 10:30:42,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37429 to 37408. [2019-09-10 10:30:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37408 states. [2019-09-10 10:30:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37408 states to 37408 states and 58962 transitions. [2019-09-10 10:30:42,468 INFO L78 Accepts]: Start accepts. Automaton has 37408 states and 58962 transitions. Word has length 64 [2019-09-10 10:30:42,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:30:42,468 INFO L475 AbstractCegarLoop]: Abstraction has 37408 states and 58962 transitions. [2019-09-10 10:30:42,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:30:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 37408 states and 58962 transitions. [2019-09-10 10:30:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 10:30:42,471 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:42,472 INFO L399 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] [2019-09-10 10:30:42,472 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:42,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:42,473 INFO L82 PathProgramCache]: Analyzing trace with hash -51889405, now seen corresponding path program 1 times [2019-09-10 10:30:42,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:42,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:42,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:42,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:42,475 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:42,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:42,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:42,904 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:42,905 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:42,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:42,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:42,906 INFO L87 Difference]: Start difference. First operand 37408 states and 58962 transitions. Second operand 3 states. [2019-09-10 10:30:43,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:43,969 INFO L93 Difference]: Finished difference Result 74613 states and 117561 transitions. [2019-09-10 10:30:43,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:43,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-09-10 10:30:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:30:44,209 INFO L225 Difference]: With dead ends: 74613 [2019-09-10 10:30:44,210 INFO L226 Difference]: Without dead ends: 74613 [2019-09-10 10:30:44,210 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74613 states. [2019-09-10 10:30:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74613 to 74592. [2019-09-10 10:30:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74592 states. [2019-09-10 10:30:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74592 states to 74592 states and 117538 transitions. [2019-09-10 10:30:46,380 INFO L78 Accepts]: Start accepts. Automaton has 74592 states and 117538 transitions. Word has length 59 [2019-09-10 10:30:46,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:30:46,380 INFO L475 AbstractCegarLoop]: Abstraction has 74592 states and 117538 transitions. [2019-09-10 10:30:46,380 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:30:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 74592 states and 117538 transitions. [2019-09-10 10:30:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-10 10:30:46,382 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:46,383 INFO L399 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] [2019-09-10 10:30:46,383 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:46,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:46,383 INFO L82 PathProgramCache]: Analyzing trace with hash -511619575, now seen corresponding path program 1 times [2019-09-10 10:30:46,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:46,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:46,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:46,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:46,388 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:46,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:46,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:46,784 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:46,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:46,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:46,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:46,786 INFO L87 Difference]: Start difference. First operand 74592 states and 117538 transitions. Second operand 3 states. [2019-09-10 10:30:49,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:49,544 INFO L93 Difference]: Finished difference Result 148789 states and 234361 transitions. [2019-09-10 10:30:49,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:49,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-09-10 10:30:49,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:30:50,067 INFO L225 Difference]: With dead ends: 148789 [2019-09-10 10:30:50,068 INFO L226 Difference]: Without dead ends: 148789 [2019-09-10 10:30:50,068 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:50,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148789 states. [2019-09-10 10:30:55,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148789 to 148768. [2019-09-10 10:30:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148768 states. [2019-09-10 10:30:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148768 states to 148768 states and 234338 transitions. [2019-09-10 10:30:56,223 INFO L78 Accepts]: Start accepts. Automaton has 148768 states and 234338 transitions. Word has length 62 [2019-09-10 10:30:56,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:30:56,224 INFO L475 AbstractCegarLoop]: Abstraction has 148768 states and 234338 transitions. [2019-09-10 10:30:56,224 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:30:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 148768 states and 234338 transitions. [2019-09-10 10:30:56,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-10 10:30:56,227 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:30:56,227 INFO L399 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] [2019-09-10 10:30:56,227 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:30:56,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:30:56,228 INFO L82 PathProgramCache]: Analyzing trace with hash 562666756, now seen corresponding path program 1 times [2019-09-10 10:30:56,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:30:56,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:56,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:30:56,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:30:56,230 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:30:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:30:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:30:56,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:30:56,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:30:56,631 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:30:56,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:30:56,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:30:56,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:30:56,633 INFO L87 Difference]: Start difference. First operand 148768 states and 234338 transitions. Second operand 3 states. [2019-09-10 10:30:58,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:30:58,381 INFO L93 Difference]: Finished difference Result 296757 states and 467257 transitions. [2019-09-10 10:30:58,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:30:58,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-10 10:30:58,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:31:03,462 INFO L225 Difference]: With dead ends: 296757 [2019-09-10 10:31:03,463 INFO L226 Difference]: Without dead ends: 296757 [2019-09-10 10:31:03,463 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:31:03,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296757 states. [2019-09-10 10:31:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296757 to 296736. [2019-09-10 10:31:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296736 states. [2019-09-10 10:31:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296736 states to 296736 states and 467234 transitions. [2019-09-10 10:31:07,770 INFO L78 Accepts]: Start accepts. Automaton has 296736 states and 467234 transitions. Word has length 68 [2019-09-10 10:31:07,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:31:07,770 INFO L475 AbstractCegarLoop]: Abstraction has 296736 states and 467234 transitions. [2019-09-10 10:31:07,770 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:31:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 296736 states and 467234 transitions. [2019-09-10 10:31:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-10 10:31:07,772 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:31:07,772 INFO L399 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] [2019-09-10 10:31:07,772 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:31:07,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:31:07,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1607866555, now seen corresponding path program 1 times [2019-09-10 10:31:07,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:31:07,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:31:07,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:31:07,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:31:07,776 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:31:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:31:12,953 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-09-10 10:31:12,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:31:12,953 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:31:12,954 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-10 10:31:12,955 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-10 10:31:12,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:31:12,955 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) [2019-09-10 10:31:13,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:31:13,002 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 10:31:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:31:15,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 11202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-10 10:31:15,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 10:31:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:31:15,392 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 10:31:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:31:15,520 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:31:15,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-09-10 10:31:15,521 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:31:15,522 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:31:15,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:31:15,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:31:15,522 INFO L87 Difference]: Start difference. First operand 296736 states and 467234 transitions. Second operand 3 states. [2019-09-10 10:31:18,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:31:18,728 INFO L93 Difference]: Finished difference Result 590901 states and 929849 transitions. [2019-09-10 10:31:18,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:31:18,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-09-10 10:31:18,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:31:20,283 INFO L225 Difference]: With dead ends: 590901 [2019-09-10 10:31:20,283 INFO L226 Difference]: Without dead ends: 590901 [2019-09-10 10:31:20,284 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:31:20,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590901 states. [2019-09-10 10:31:38,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590901 to 590880. [2019-09-10 10:31:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590880 states. [2019-09-10 10:31:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590880 states to 590880 states and 929826 transitions. [2019-09-10 10:31:50,708 INFO L78 Accepts]: Start accepts. Automaton has 590880 states and 929826 transitions. Word has length 75 [2019-09-10 10:31:50,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:31:50,708 INFO L475 AbstractCegarLoop]: Abstraction has 590880 states and 929826 transitions. [2019-09-10 10:31:50,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:31:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 590880 states and 929826 transitions. [2019-09-10 10:31:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 10:31:50,712 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:31:50,712 INFO L399 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] [2019-09-10 10:31:50,712 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:31:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:31:50,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1962077305, now seen corresponding path program 1 times [2019-09-10 10:31:50,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:31:50,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:31:50,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:31:50,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:31:50,716 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:31:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:31:51,069 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-09-10 10:31:51,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:31:51,069 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:31:51,070 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-10 10:31:51,070 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-10 10:31:51,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:31:51,070 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-10 10:31:51,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:31:51,097 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 10:32:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:32:00,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 11192 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-10 10:32:00,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 10:32:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:32:00,649 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 10:32:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:32:00,764 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:32:00,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-09-10 10:32:00,764 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:32:00,765 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:32:00,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:32:00,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:32:00,766 INFO L87 Difference]: Start difference. First operand 590880 states and 929826 transitions. Second operand 3 states. [2019-09-10 10:32:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:32:07,722 INFO L93 Difference]: Finished difference Result 1176629 states and 1850425 transitions. [2019-09-10 10:32:07,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:32:07,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-09-10 10:32:07,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:32:21,469 INFO L225 Difference]: With dead ends: 1176629 [2019-09-10 10:32:21,469 INFO L226 Difference]: Without dead ends: 1176629 [2019-09-10 10:32:21,470 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:32:22,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176629 states. [2019-09-10 10:32:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176629 to 1176608. [2019-09-10 10:32:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176608 states. [2019-09-10 10:33:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176608 states to 1176608 states and 1850402 transitions. [2019-09-10 10:33:17,890 INFO L78 Accepts]: Start accepts. Automaton has 1176608 states and 1850402 transitions. Word has length 70 [2019-09-10 10:33:17,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:33:17,890 INFO L475 AbstractCegarLoop]: Abstraction has 1176608 states and 1850402 transitions. [2019-09-10 10:33:17,890 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:33:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1176608 states and 1850402 transitions. [2019-09-10 10:33:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-10 10:33:17,893 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:33:17,893 INFO L399 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, 1, 1, 1, 1, 1] [2019-09-10 10:33:17,893 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:33:17,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:33:17,894 INFO L82 PathProgramCache]: Analyzing trace with hash 466251365, now seen corresponding path program 1 times [2019-09-10 10:33:17,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:33:17,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:17,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:17,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:33:17,896 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:33:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:18,221 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-09-10 10:33:18,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:33:18,222 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:33:18,223 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-10 10:33:18,223 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-10 10:33:18,223 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:33:18,223 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 10:33:18,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:33:18,242 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 10:33:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:33:30,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 11226 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-10 10:33:30,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 10:33:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:30,969 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 10:33:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:33:31,065 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:33:31,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-09-10 10:33:31,065 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:33:31,066 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:33:31,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:33:31,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:33:31,067 INFO L87 Difference]: Start difference. First operand 1176608 states and 1850402 transitions. Second operand 3 states.