/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 23:13:42,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:13:42,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:13:42,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:13:42,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:13:42,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:13:42,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:13:42,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:13:42,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:13:42,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:13:42,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:13:42,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:13:42,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:13:42,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:13:42,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:13:42,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:13:42,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:13:42,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:13:42,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:13:42,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:13:42,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:13:42,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:13:42,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:13:42,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:13:42,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:13:42,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:13:42,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:13:42,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:13:42,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:13:42,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:13:42,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:13:42,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:13:42,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:13:42,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:13:42,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:13:42,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:13:42,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:13:42,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:13:42,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:13:42,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:13:42,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:13:42,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:13:42,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:13:42,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:13:42,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:13:42,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:13:42,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:13:42,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:13:42,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:13:42,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:13:42,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:13:42,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:13:42,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:13:42,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:13:42,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:13:42,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:13:42,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:13:42,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:13:42,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:13:42,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:13:42,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:13:42,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:13:42,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:13:42,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:13:42,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:13:42,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:13:42,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:13:42,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:13:42,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:13:42,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:13:42,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 23:13:42,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:13:42,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:13:42,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:13:42,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:13:42,682 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:13:42,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-11-06 23:13:42,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac81571f/0892e24458824a17aa10915bb334d036/FLAG3836d644a [2019-11-06 23:13:43,590 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:13:43,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-11-06 23:13:43,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac81571f/0892e24458824a17aa10915bb334d036/FLAG3836d644a [2019-11-06 23:13:44,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cac81571f/0892e24458824a17aa10915bb334d036 [2019-11-06 23:13:44,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:13:44,144 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:13:44,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:13:44,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:13:44,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:13:44,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:13:44" (1/1) ... [2019-11-06 23:13:44,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c304c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:44, skipping insertion in model container [2019-11-06 23:13:44,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:13:44" (1/1) ... [2019-11-06 23:13:44,159 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:13:44,261 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:13:45,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:13:45,722 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:13:45,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:13:46,410 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:13:46,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46 WrapperNode [2019-11-06 23:13:46,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:13:46,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:13:46,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:13:46,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:13:46,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (1/1) ... [2019-11-06 23:13:46,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (1/1) ... [2019-11-06 23:13:46,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (1/1) ... [2019-11-06 23:13:46,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (1/1) ... [2019-11-06 23:13:46,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (1/1) ... [2019-11-06 23:13:46,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (1/1) ... [2019-11-06 23:13:46,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (1/1) ... [2019-11-06 23:13:46,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:13:46,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:13:46,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:13:46,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:13:46,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (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 [2019-11-06 23:13:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:13:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:13:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-11-06 23:13:46,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-06 23:13:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-11-06 23:13:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 23:13:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 23:13:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2019-11-06 23:13:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-11-06 23:13:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-11-06 23:13:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-11-06 23:13:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-11-06 23:13:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-11-06 23:13:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_MV [2019-11-06 23:13:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2019-11-06 23:13:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure MV_TO_LIMIT [2019-11-06 23:13:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_CURR [2019-11-06 23:13:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2019-11-06 23:13:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2019-11-06 23:13:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2019-11-06 23:13:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2019-11-06 23:13:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_current [2019-11-06 23:13:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2019-11-06 23:13:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2019-11-06 23:13:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2019-11-06 23:13:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_probe [2019-11-06 23:13:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_remove [2019-11-06 23:13:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_init [2019-11-06 23:13:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_exit [2019-11-06 23:13:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:13:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 23:13:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-06 23:13:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-06 23:13:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-06 23:13:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-06 23:13:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-06 23:13:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 23:13:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-11-06 23:13:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-06 23:13:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-11-06 23:13:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-06 23:13:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:13:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:13:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 23:13:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:13:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:13:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-06 23:13:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-06 23:13:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:13:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-06 23:13:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-06 23:13:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:13:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:13:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:13:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:13:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:13:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:13:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:13:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-11-06 23:13:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-11-06 23:13:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-11-06 23:13:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-11-06 23:13:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-11-06 23:13:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-11-06 23:13:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-11-06 23:13:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:13:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:13:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 23:13:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 23:13:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 23:13:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-11-06 23:13:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-11-06 23:13:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-11-06 23:13:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-11-06 23:13:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-11-06 23:13:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-11-06 23:13:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_data [2019-11-06 23:13:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-11-06 23:13:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-11-06 23:13:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 23:13:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 23:13:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:13:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-11-06 23:13:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-11-06 23:13:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-11-06 23:13:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:13:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:13:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:13:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:13:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-06 23:13:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-11-06 23:13:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-11-06 23:13:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-06 23:13:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 23:13:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 23:13:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 23:13:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 23:13:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-06 23:13:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:13:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-06 23:13:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-06 23:13:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 23:13:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-06 23:13:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-06 23:13:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 23:13:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 23:13:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-06 23:13:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-06 23:13:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-11-06 23:13:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-11-06 23:13:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-06 23:13:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-06 23:13:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:13:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:13:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:13:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-11-06 23:13:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-11-06 23:13:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:13:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-11-06 23:13:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-11-06 23:13:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-11-06 23:13:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-11-06 23:13:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 23:13:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 23:13:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-11-06 23:13:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-11-06 23:13:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_data [2019-11-06 23:13:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2019-11-06 23:13:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-11-06 23:13:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-11-06 23:13:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-11-06 23:13:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-11-06 23:13:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-11-06 23:13:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-11-06 23:13:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:13:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-11-06 23:13:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_MV [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure MV_TO_LIMIT [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_CURR [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2019-11-06 23:13:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_current [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2019-11-06 23:13:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:13:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2019-11-06 23:13:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2019-11-06 23:13:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_probe [2019-11-06 23:13:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_remove [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_init [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_exit [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 23:13:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 23:13:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:13:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-11-06 23:13:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:13:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:13:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:13:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:13:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:13:58,462 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:13:58,463 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:13:58,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:13:58 BoogieIcfgContainer [2019-11-06 23:13:58,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:13:58,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:13:58,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:13:58,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:13:58,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:13:44" (1/3) ... [2019-11-06 23:13:58,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9e3d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:13:58, skipping insertion in model container [2019-11-06 23:13:58,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:13:46" (2/3) ... [2019-11-06 23:13:58,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9e3d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:13:58, skipping insertion in model container [2019-11-06 23:13:58,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:13:58" (3/3) ... [2019-11-06 23:13:58,475 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-11-06 23:13:58,485 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:13:58,500 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:13:58,512 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:13:58,555 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:13:58,555 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:13:58,555 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:13:58,556 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:13:58,556 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:13:58,556 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:13:58,556 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:13:58,556 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:13:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states. [2019-11-06 23:13:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-06 23:13:58,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:13:58,622 INFO L410 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] [2019-11-06 23:13:58,624 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:13:58,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:13:58,630 INFO L82 PathProgramCache]: Analyzing trace with hash 636174297, now seen corresponding path program 1 times [2019-11-06 23:13:58,641 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:13:58,641 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143551757] [2019-11-06 23:13:58,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:13:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:00,267 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143551757] [2019-11-06 23:14:00,268 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:00,269 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:00,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342596711] [2019-11-06 23:14:00,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:00,276 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:00,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:00,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:00,294 INFO L87 Difference]: Start difference. First operand 1329 states. Second operand 3 states. [2019-11-06 23:14:01,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:01,060 INFO L93 Difference]: Finished difference Result 3640 states and 5893 transitions. [2019-11-06 23:14:01,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:01,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-11-06 23:14:01,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:01,109 INFO L225 Difference]: With dead ends: 3640 [2019-11-06 23:14:01,109 INFO L226 Difference]: Without dead ends: 2413 [2019-11-06 23:14:01,130 INFO L630 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 [2019-11-06 23:14:01,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2019-11-06 23:14:01,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2392. [2019-11-06 23:14:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2392 states. [2019-11-06 23:14:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3761 transitions. [2019-11-06 23:14:01,416 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3761 transitions. Word has length 46 [2019-11-06 23:14:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:01,416 INFO L462 AbstractCegarLoop]: Abstraction has 2392 states and 3761 transitions. [2019-11-06 23:14:01,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3761 transitions. [2019-11-06 23:14:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-06 23:14:01,423 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:01,423 INFO L410 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] [2019-11-06 23:14:01,424 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:01,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:01,424 INFO L82 PathProgramCache]: Analyzing trace with hash -581717126, now seen corresponding path program 1 times [2019-11-06 23:14:01,425 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:01,427 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610244187] [2019-11-06 23:14:01,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:02,122 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610244187] [2019-11-06 23:14:02,123 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:02,123 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:02,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364961973] [2019-11-06 23:14:02,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:02,126 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:02,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:02,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:02,127 INFO L87 Difference]: Start difference. First operand 2392 states and 3761 transitions. Second operand 3 states. [2019-11-06 23:14:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:02,863 INFO L93 Difference]: Finished difference Result 7142 states and 11241 transitions. [2019-11-06 23:14:02,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:02,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2019-11-06 23:14:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:02,897 INFO L225 Difference]: With dead ends: 7142 [2019-11-06 23:14:02,897 INFO L226 Difference]: Without dead ends: 4761 [2019-11-06 23:14:02,910 INFO L630 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 [2019-11-06 23:14:02,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2019-11-06 23:14:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 4740. [2019-11-06 23:14:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4740 states. [2019-11-06 23:14:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 7466 transitions. [2019-11-06 23:14:03,325 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 7466 transitions. Word has length 50 [2019-11-06 23:14:03,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:03,326 INFO L462 AbstractCegarLoop]: Abstraction has 4740 states and 7466 transitions. [2019-11-06 23:14:03,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 7466 transitions. [2019-11-06 23:14:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-06 23:14:03,330 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:03,330 INFO L410 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] [2019-11-06 23:14:03,330 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:03,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1075695225, now seen corresponding path program 1 times [2019-11-06 23:14:03,332 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:03,332 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698612804] [2019-11-06 23:14:03,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:03,931 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698612804] [2019-11-06 23:14:03,931 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:03,932 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:03,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590617596] [2019-11-06 23:14:03,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:03,933 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:03,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:03,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:03,934 INFO L87 Difference]: Start difference. First operand 4740 states and 7466 transitions. Second operand 3 states. [2019-11-06 23:14:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:04,738 INFO L93 Difference]: Finished difference Result 14174 states and 22336 transitions. [2019-11-06 23:14:04,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:04,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-06 23:14:04,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:04,809 INFO L225 Difference]: With dead ends: 14174 [2019-11-06 23:14:04,810 INFO L226 Difference]: Without dead ends: 9445 [2019-11-06 23:14:04,840 INFO L630 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 [2019-11-06 23:14:04,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2019-11-06 23:14:05,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9424. [2019-11-06 23:14:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9424 states. [2019-11-06 23:14:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9424 states to 9424 states and 14854 transitions. [2019-11-06 23:14:05,284 INFO L78 Accepts]: Start accepts. Automaton has 9424 states and 14854 transitions. Word has length 47 [2019-11-06 23:14:05,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:05,284 INFO L462 AbstractCegarLoop]: Abstraction has 9424 states and 14854 transitions. [2019-11-06 23:14:05,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 9424 states and 14854 transitions. [2019-11-06 23:14:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-06 23:14:05,287 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:05,287 INFO L410 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] [2019-11-06 23:14:05,287 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:05,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:05,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1311483462, now seen corresponding path program 1 times [2019-11-06 23:14:05,288 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:05,288 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359276021] [2019-11-06 23:14:05,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:05,837 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359276021] [2019-11-06 23:14:05,837 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:05,838 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:05,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273350100] [2019-11-06 23:14:05,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:05,839 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:05,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:05,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:05,839 INFO L87 Difference]: Start difference. First operand 9424 states and 14854 transitions. Second operand 3 states. [2019-11-06 23:14:07,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:07,748 INFO L93 Difference]: Finished difference Result 28202 states and 44460 transitions. [2019-11-06 23:14:07,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:07,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-11-06 23:14:07,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:07,858 INFO L225 Difference]: With dead ends: 28202 [2019-11-06 23:14:07,859 INFO L226 Difference]: Without dead ends: 18789 [2019-11-06 23:14:07,910 INFO L630 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 [2019-11-06 23:14:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18789 states. [2019-11-06 23:14:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18789 to 18768. [2019-11-06 23:14:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18768 states. [2019-11-06 23:14:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18768 states to 18768 states and 29586 transitions. [2019-11-06 23:14:08,647 INFO L78 Accepts]: Start accepts. Automaton has 18768 states and 29586 transitions. Word has length 54 [2019-11-06 23:14:08,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:08,647 INFO L462 AbstractCegarLoop]: Abstraction has 18768 states and 29586 transitions. [2019-11-06 23:14:08,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 18768 states and 29586 transitions. [2019-11-06 23:14:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-06 23:14:08,650 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:08,650 INFO L410 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] [2019-11-06 23:14:08,651 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:08,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:08,651 INFO L82 PathProgramCache]: Analyzing trace with hash -51889405, now seen corresponding path program 1 times [2019-11-06 23:14:08,651 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:08,651 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915176405] [2019-11-06 23:14:08,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:09,234 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915176405] [2019-11-06 23:14:09,234 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:09,235 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:09,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349242189] [2019-11-06 23:14:09,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:09,235 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:09,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:09,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:09,236 INFO L87 Difference]: Start difference. First operand 18768 states and 29586 transitions. Second operand 3 states. [2019-11-06 23:14:10,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:14:10,720 INFO L93 Difference]: Finished difference Result 56186 states and 88576 transitions. [2019-11-06 23:14:10,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:14:10,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-11-06 23:14:10,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:14:10,887 INFO L225 Difference]: With dead ends: 56186 [2019-11-06 23:14:10,889 INFO L226 Difference]: Without dead ends: 37429 [2019-11-06 23:14:10,964 INFO L630 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 [2019-11-06 23:14:11,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37429 states. [2019-11-06 23:14:12,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37429 to 37408. [2019-11-06 23:14:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37408 states. [2019-11-06 23:14:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37408 states to 37408 states and 58962 transitions. [2019-11-06 23:14:12,210 INFO L78 Accepts]: Start accepts. Automaton has 37408 states and 58962 transitions. Word has length 59 [2019-11-06 23:14:12,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:14:12,210 INFO L462 AbstractCegarLoop]: Abstraction has 37408 states and 58962 transitions. [2019-11-06 23:14:12,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:14:12,211 INFO L276 IsEmpty]: Start isEmpty. Operand 37408 states and 58962 transitions. [2019-11-06 23:14:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-06 23:14:12,214 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:14:12,214 INFO L410 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] [2019-11-06 23:14:12,215 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:14:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:14:12,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1883819848, now seen corresponding path program 1 times [2019-11-06 23:14:12,215 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:14:12,215 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595872309] [2019-11-06 23:14:12,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:14:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:14:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:14:12,952 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595872309] [2019-11-06 23:14:12,954 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:14:12,955 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:14:12,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682130454] [2019-11-06 23:14:12,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:14:12,956 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:14:12,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:14:12,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:14:12,957 INFO L87 Difference]: Start difference. First operand 37408 states and 58962 transitions. Second operand 3 states.