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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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-f4eb214f-m [2019-10-13 22:05:38,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:05:38,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:05:38,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:05:38,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:05:38,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:05:38,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:05:38,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:05:38,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:05:38,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:05:38,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:05:38,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:05:38,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:05:38,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:05:38,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:05:38,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:05:38,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:05:38,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:05:38,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:05:38,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:05:38,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:05:38,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:05:38,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:05:38,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:05:38,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:05:38,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:05:38,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:05:38,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:05:38,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:05:38,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:05:38,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:05:38,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:05:38,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:05:38,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:05:38,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:05:38,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:05:38,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:05:38,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:05:38,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:05:38,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:05:38,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:05:38,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:05:38,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:05:38,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:05:38,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:05:38,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:05:38,260 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:05:38,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:05:38,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:05:38,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:05:38,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:05:38,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:05:38,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:05:38,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:05:38,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:05:38,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:05:38,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:05:38,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:05:38,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:05:38,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:05:38,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:05:38,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:05:38,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:05:38,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:05:38,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:05:38,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:05:38,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:05:38,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:05:38,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:05:38,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:05:38,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:05:38,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:05:38,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:05:38,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:05:38,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:05:38,633 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:05:38,634 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-13 22:05:38,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c32801cf/a1dab0c8624f4316b224cd7dfb15f0ac/FLAGfd2012db4 [2019-10-13 22:05:39,465 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:05:39,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-13 22:05:39,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c32801cf/a1dab0c8624f4316b224cd7dfb15f0ac/FLAGfd2012db4 [2019-10-13 22:05:39,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c32801cf/a1dab0c8624f4316b224cd7dfb15f0ac [2019-10-13 22:05:39,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:05:39,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:05:39,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:05:39,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:05:39,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:05:39,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:05:39" (1/1) ... [2019-10-13 22:05:39,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bc1ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:39, skipping insertion in model container [2019-10-13 22:05:39,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:05:39" (1/1) ... [2019-10-13 22:05:39,545 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:05:39,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:05:40,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:05:41,013 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:05:41,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:05:41,762 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:05:41,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41 WrapperNode [2019-10-13 22:05:41,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:05:41,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:05:41,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:05:41,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:05:41,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... [2019-10-13 22:05:41,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... [2019-10-13 22:05:41,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... [2019-10-13 22:05:41,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... [2019-10-13 22:05:42,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... [2019-10-13 22:05:42,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... [2019-10-13 22:05:42,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... [2019-10-13 22:05:42,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:05:42,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:05:42,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:05:42,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:05:42,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:05:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:05:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:05:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-13 22:05:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:05:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-13 22:05:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:05:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:05:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2019-10-13 22:05:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-13 22:05:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-13 22:05:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-13 22:05:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-13 22:05:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-10-13 22:05:42,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_MV [2019-10-13 22:05:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2019-10-13 22:05:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure MV_TO_LIMIT [2019-10-13 22:05:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_CURR [2019-10-13 22:05:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2019-10-13 22:05:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2019-10-13 22:05:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2019-10-13 22:05:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2019-10-13 22:05:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_current [2019-10-13 22:05:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2019-10-13 22:05:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2019-10-13 22:05:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2019-10-13 22:05:42,252 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_probe [2019-10-13 22:05:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_remove [2019-10-13 22:05:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_init [2019-10-13 22:05:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_exit [2019-10-13 22:05:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:05:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 22:05:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 22:05:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 22:05:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 22:05:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 22:05:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 22:05:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 22:05:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 22:05:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 22:05:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-13 22:05:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 22:05:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:05:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:05:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:05:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:05:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:05:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:05:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:05:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:05:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:05:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:05:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:05:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:05:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:05:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:05:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:05:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:05:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:05:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-13 22:05:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-13 22:05:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-13 22:05:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-13 22:05:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-13 22:05:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-13 22:05:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-13 22:05:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:05:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:05:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:05:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:05:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:05:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-13 22:05:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-13 22:05:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-13 22:05:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-13 22:05:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-13 22:05:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-10-13 22:05:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_data [2019-10-13 22:05:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-10-13 22:05:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-13 22:05:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:05:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:05:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:05:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-10-13 22:05:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 22:05:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 22:05:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:05:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:05:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:05:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:05:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:05:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-13 22:05:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-13 22:05:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:05:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:05:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:05:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:05:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:05:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 22:05:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:05:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 22:05:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 22:05:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 22:05:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-13 22:05:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:05:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:05:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:05:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:05:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:05:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2019-10-13 22:05:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2019-10-13 22:05:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:05:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-10-13 22:05:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 22:05:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 22:05:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-13 22:05:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:05:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:05:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-10-13 22:05:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-10-13 22:05:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_data [2019-10-13 22:05:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:05:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-13 22:05:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-13 22:05:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-13 22:05:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-10-13 22:05:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_MV [2019-10-13 22:05:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2019-10-13 22:05:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure MV_TO_LIMIT [2019-10-13 22:05:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_CURR [2019-10-13 22:05:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2019-10-13 22:05:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2019-10-13 22:05:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:05:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:05:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2019-10-13 22:05:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_current [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_probe [2019-10-13 22:05:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:05:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_remove [2019-10-13 22:05:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_init [2019-10-13 22:05:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_exit [2019-10-13 22:05:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:05:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:05:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:05:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:05:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:05:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:05:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:05:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:05:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:05:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:05:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:05:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:05:42,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:05:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:05:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:05:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:05:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:05:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:05:59,150 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:05:59,151 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:05:59,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:05:59 BoogieIcfgContainer [2019-10-13 22:05:59,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:05:59,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:05:59,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:05:59,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:05:59,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:05:39" (1/3) ... [2019-10-13 22:05:59,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f7edf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:05:59, skipping insertion in model container [2019-10-13 22:05:59,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:05:41" (2/3) ... [2019-10-13 22:05:59,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f7edf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:05:59, skipping insertion in model container [2019-10-13 22:05:59,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:05:59" (3/3) ... [2019-10-13 22:05:59,163 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2019-10-13 22:05:59,174 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:05:59,184 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:05:59,195 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:05:59,243 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:05:59,243 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:05:59,243 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:05:59,244 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:05:59,244 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:05:59,244 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:05:59,244 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:05:59,244 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:05:59,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states. [2019-10-13 22:05:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-13 22:05:59,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:05:59,303 INFO L380 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] [2019-10-13 22:05:59,305 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:05:59,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:05:59,311 INFO L82 PathProgramCache]: Analyzing trace with hash -89219890, now seen corresponding path program 1 times [2019-10-13 22:05:59,319 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:05:59,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890770004] [2019-10-13 22:05:59,320 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:05:59,320 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:05:59,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:00,921 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890770004] [2019-10-13 22:06:00,922 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:00,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:00,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958032647] [2019-10-13 22:06:00,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:00,928 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:00,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:00,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:00,945 INFO L87 Difference]: Start difference. First operand 1071 states. Second operand 3 states. [2019-10-13 22:06:01,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:01,851 INFO L93 Difference]: Finished difference Result 2990 states and 4982 transitions. [2019-10-13 22:06:01,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:01,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-13 22:06:01,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:01,886 INFO L225 Difference]: With dead ends: 2990 [2019-10-13 22:06:01,886 INFO L226 Difference]: Without dead ends: 1982 [2019-10-13 22:06:01,901 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:01,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2019-10-13 22:06:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1954. [2019-10-13 22:06:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2019-10-13 22:06:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 3149 transitions. [2019-10-13 22:06:02,161 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 3149 transitions. Word has length 41 [2019-10-13 22:06:02,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:02,162 INFO L462 AbstractCegarLoop]: Abstraction has 1954 states and 3149 transitions. [2019-10-13 22:06:02,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 3149 transitions. [2019-10-13 22:06:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 22:06:02,170 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:02,170 INFO L380 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] [2019-10-13 22:06:02,171 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:02,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:02,171 INFO L82 PathProgramCache]: Analyzing trace with hash -2007980211, now seen corresponding path program 1 times [2019-10-13 22:06:02,172 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:02,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229636896] [2019-10-13 22:06:02,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:02,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:02,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:02,843 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229636896] [2019-10-13 22:06:02,843 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:02,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:02,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673463969] [2019-10-13 22:06:02,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:02,846 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:02,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:02,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:02,849 INFO L87 Difference]: Start difference. First operand 1954 states and 3149 transitions. Second operand 3 states. [2019-10-13 22:06:03,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:03,789 INFO L93 Difference]: Finished difference Result 5835 states and 9413 transitions. [2019-10-13 22:06:03,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:03,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-13 22:06:03,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:03,822 INFO L225 Difference]: With dead ends: 5835 [2019-10-13 22:06:03,822 INFO L226 Difference]: Without dead ends: 3890 [2019-10-13 22:06:03,839 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:03,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2019-10-13 22:06:04,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3862. [2019-10-13 22:06:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2019-10-13 22:06:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 6241 transitions. [2019-10-13 22:06:04,122 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 6241 transitions. Word has length 45 [2019-10-13 22:06:04,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:04,123 INFO L462 AbstractCegarLoop]: Abstraction has 3862 states and 6241 transitions. [2019-10-13 22:06:04,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:04,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 6241 transitions. [2019-10-13 22:06:04,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 22:06:04,133 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:04,133 INFO L380 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] [2019-10-13 22:06:04,134 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:04,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:04,134 INFO L82 PathProgramCache]: Analyzing trace with hash 2057873208, now seen corresponding path program 1 times [2019-10-13 22:06:04,135 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:04,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417619864] [2019-10-13 22:06:04,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:04,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:04,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:05,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417619864] [2019-10-13 22:06:05,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:05,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:05,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405663238] [2019-10-13 22:06:05,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:05,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:05,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:05,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:05,134 INFO L87 Difference]: Start difference. First operand 3862 states and 6241 transitions. Second operand 3 states. [2019-10-13 22:06:06,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:06,062 INFO L93 Difference]: Finished difference Result 11551 states and 18675 transitions. [2019-10-13 22:06:06,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:06,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-13 22:06:06,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:06,134 INFO L225 Difference]: With dead ends: 11551 [2019-10-13 22:06:06,135 INFO L226 Difference]: Without dead ends: 7698 [2019-10-13 22:06:06,160 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:06,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7698 states. [2019-10-13 22:06:06,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7698 to 7670. [2019-10-13 22:06:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7670 states. [2019-10-13 22:06:06,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7670 states to 7670 states and 12409 transitions. [2019-10-13 22:06:06,572 INFO L78 Accepts]: Start accepts. Automaton has 7670 states and 12409 transitions. Word has length 42 [2019-10-13 22:06:06,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:06,572 INFO L462 AbstractCegarLoop]: Abstraction has 7670 states and 12409 transitions. [2019-10-13 22:06:06,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 7670 states and 12409 transitions. [2019-10-13 22:06:06,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 22:06:06,577 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:06,577 INFO L380 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] [2019-10-13 22:06:06,578 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:06,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:06,578 INFO L82 PathProgramCache]: Analyzing trace with hash -43828607, now seen corresponding path program 1 times [2019-10-13 22:06:06,578 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:06,578 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480210147] [2019-10-13 22:06:06,579 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:06,579 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:06,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:07,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480210147] [2019-10-13 22:06:07,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:07,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:07,283 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528822509] [2019-10-13 22:06:07,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:07,284 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:07,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:07,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:07,285 INFO L87 Difference]: Start difference. First operand 7670 states and 12409 transitions. Second operand 3 states. [2019-10-13 22:06:08,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:06:08,447 INFO L93 Difference]: Finished difference Result 22959 states and 37151 transitions. [2019-10-13 22:06:08,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:06:08,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-10-13 22:06:08,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:06:09,659 INFO L225 Difference]: With dead ends: 22959 [2019-10-13 22:06:09,660 INFO L226 Difference]: Without dead ends: 15298 [2019-10-13 22:06:09,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:09,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15298 states. [2019-10-13 22:06:10,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15298 to 15270. [2019-10-13 22:06:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15270 states. [2019-10-13 22:06:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15270 states to 15270 states and 24713 transitions. [2019-10-13 22:06:10,714 INFO L78 Accepts]: Start accepts. Automaton has 15270 states and 24713 transitions. Word has length 49 [2019-10-13 22:06:10,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:06:10,715 INFO L462 AbstractCegarLoop]: Abstraction has 15270 states and 24713 transitions. [2019-10-13 22:06:10,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:06:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 15270 states and 24713 transitions. [2019-10-13 22:06:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 22:06:10,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:06:10,719 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:06:10,719 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:06:10,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:06:10,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1546350446, now seen corresponding path program 1 times [2019-10-13 22:06:10,720 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:06:10,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504755227] [2019-10-13 22:06:10,722 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:10,722 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:06:10,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:06:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:06:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:06:11,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504755227] [2019-10-13 22:06:11,317 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:06:11,318 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:06:11,318 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644998321] [2019-10-13 22:06:11,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:06:11,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:06:11,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:06:11,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:06:11,320 INFO L87 Difference]: Start difference. First operand 15270 states and 24713 transitions. Second operand 3 states.