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--amc6821.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 02:08:00,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:08:00,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:08:00,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:08:00,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:08:00,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:08:00,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:08:00,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:08:00,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:08:00,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:08:00,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:08:00,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:08:00,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:08:00,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:08:00,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:08:00,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:08:00,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:08:00,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:08:00,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:08:00,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:08:00,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:08:00,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:08:00,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:08:00,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:08:00,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:08:00,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:08:00,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:08:00,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:08:00,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:08:00,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:08:00,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:08:00,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:08:00,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:08:00,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:08:00,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:08:00,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:08:00,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:08:00,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:08:00,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:08:00,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:08:00,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:08:00,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 02:08:00,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:08:00,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:08:00,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:08:00,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:08:00,476 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:08:00,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:08:00,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:08:00,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:08:00,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:08:00,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:08:00,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:08:00,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:08:00,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:08:00,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:08:00,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:08:00,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:08:00,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:08:00,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:08:00,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:08:00,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:08:00,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:08:00,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:08:00,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:08:00,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:08:00,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:08:00,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:08:00,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:08:00,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:08:00,483 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 [2019-10-15 02:08:00,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:08:00,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:08:00,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:08:00,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:08:00,788 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:08:00,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2019-10-15 02:08:00,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95ba11113/b836f74f866f44f69f7fdf2b4099124b/FLAG9edf52740 [2019-10-15 02:08:01,672 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:08:01,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2019-10-15 02:08:01,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95ba11113/b836f74f866f44f69f7fdf2b4099124b/FLAG9edf52740 [2019-10-15 02:08:02,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95ba11113/b836f74f866f44f69f7fdf2b4099124b [2019-10-15 02:08:02,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:08:02,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:08:02,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:08:02,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:08:02,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:08:02,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:08:02" (1/1) ... [2019-10-15 02:08:02,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38730a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:02, skipping insertion in model container [2019-10-15 02:08:02,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:08:02" (1/1) ... [2019-10-15 02:08:02,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:08:02,358 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:08:03,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:08:03,748 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:08:03,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:08:04,242 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:08:04,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04 WrapperNode [2019-10-15 02:08:04,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:08:04,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:08:04,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:08:04,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:08:04,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... [2019-10-15 02:08:04,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... [2019-10-15 02:08:04,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... [2019-10-15 02:08:04,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... [2019-10-15 02:08:04,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... [2019-10-15 02:08:04,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... [2019-10-15 02:08:04,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... [2019-10-15 02:08:04,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:08:04,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:08:04,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:08:04,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:08:04,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:08:04,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:08:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:08:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-15 02:08:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2019-10-15 02:08:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-15 02:08:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-15 02:08:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-15 02:08:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-15 02:08:04,638 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-15 02:08:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-15 02:08:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-10-15 02:08:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2019-10-15 02:08:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2019-10-15 02:08:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2019-10-15 02:08:04,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp2_fault [2019-10-15 02:08:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1 [2019-10-15 02:08:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm1 [2019-10-15 02:08:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_enable [2019-10-15 02:08:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm1_enable [2019-10-15 02:08:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_channels_temp [2019-10-15 02:08:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2019-10-15 02:08:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2019-10-15 02:08:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2019-10-15 02:08:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2019-10-15 02:08:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm1_auto_point_pwm [2019-10-15 02:08:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2019-10-15 02:08:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan1_fault [2019-10-15 02:08:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2019-10-15 02:08:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan1_div [2019-10-15 02:08:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan1_div [2019-10-15 02:08:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2019-10-15 02:08:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_probe [2019-10-15 02:08:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_remove [2019-10-15 02:08:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_init_client [2019-10-15 02:08:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2019-10-15 02:08:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_driver_init [2019-10-15 02:08:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_driver_exit [2019-10-15 02:08:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:08:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 02:08:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 02:08:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 02:08:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 02:08:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 02:08:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-15 02:08:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 02:08:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-15 02:08:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 02:08:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-15 02:08:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 02:08:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-15 02:08:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-15 02:08:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-15 02:08:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-15 02:08:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-15 02:08:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-15 02:08:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-15 02:08:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-15 02:08:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-15 02:08:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-15 02:08:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-15 02:08:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-15 02:08:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:08:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:08:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-15 02:08:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:08:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:08:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 02:08:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 02:08:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:08:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 02:08:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 02:08:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:08:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:08:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:08:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:08:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:08:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:08:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:08:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_amc6821_data [2019-10-15 02:08:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_amc6821_data [2019-10-15 02:08:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2019-10-15 02:08:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_amc6821_data [2019-10-15 02:08:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_amc6821_data [2019-10-15 02:08:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_amc6821_data [2019-10-15 02:08:04,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2019-10-15 02:08:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:08:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:08:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-15 02:08:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 02:08:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 02:08:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 02:08:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:08:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:08:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-15 02:08:04,669 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-15 02:08:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-15 02:08:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-15 02:08:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-15 02:08:04,670 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-10-15 02:08:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-10-15 02:08:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2019-10-15 02:08:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 02:08:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 02:08:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 02:08:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-15 02:08:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 02:08:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 02:08:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:08:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:08:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:08:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:08:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-15 02:08:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2019-10-15 02:08:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2019-10-15 02:08:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 02:08:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-15 02:08:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-15 02:08:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-15 02:08:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 02:08:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 02:08:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 02:08:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 02:08:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 02:08:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 02:08:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 02:08:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 02:08:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 02:08:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-15 02:08:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-15 02:08:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-15 02:08:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-15 02:08:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-15 02:08:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-15 02:08:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 02:08:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 02:08:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 02:08:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-15 02:08:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-15 02:08:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-15 02:08:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-15 02:08:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-15 02:08:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-15 02:08:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-15 02:08:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-15 02:08:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-15 02:08:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 02:08:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 02:08:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 02:08:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 02:08:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 02:08:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2019-10-15 02:08:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2019-10-15 02:08:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:08:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 02:08:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 02:08:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-15 02:08:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:08:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:08:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 02:08:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 02:08:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-10-15 02:08:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-10-15 02:08:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-15 02:08:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-15 02:08:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-15 02:08:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-15 02:08:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-15 02:08:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-15 02:08:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:08:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-15 02:08:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-15 02:08:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-15 02:08:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-10-15 02:08:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_probe [2019-10-15 02:08:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2019-10-15 02:08:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_init_client [2019-10-15 02:08:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_remove [2019-10-15 02:08:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2019-10-15 02:08:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:08:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2019-10-15 02:08:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:08:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2019-10-15 02:08:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:08:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:08:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2019-10-15 02:08:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:08:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp2_fault [2019-10-15 02:08:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1 [2019-10-15 02:08:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm1 [2019-10-15 02:08:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_enable [2019-10-15 02:08:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm1_enable [2019-10-15 02:08:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_channels_temp [2019-10-15 02:08:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2019-10-15 02:08:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2019-10-15 02:08:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2019-10-15 02:08:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2019-10-15 02:08:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm1_auto_point_pwm [2019-10-15 02:08:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2019-10-15 02:08:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan1_fault [2019-10-15 02:08:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2019-10-15 02:08:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan1_div [2019-10-15 02:08:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan1_div [2019-10-15 02:08:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_driver_init [2019-10-15 02:08:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_driver_exit [2019-10-15 02:08:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:08:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:08:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:08:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:08:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-15 02:08:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-15 02:08:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 02:08:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 02:08:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 02:08:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 02:08:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 02:08:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_amc6821_data [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_amc6821_data [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_amc6821_data [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_amc6821_data [2019-10-15 02:08:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_amc6821_data [2019-10-15 02:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:08:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:08:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:08:20,177 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:08:20,178 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:08:20,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:08:20 BoogieIcfgContainer [2019-10-15 02:08:20,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:08:20,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:08:20,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:08:20,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:08:20,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:08:02" (1/3) ... [2019-10-15 02:08:20,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a69f564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:08:20, skipping insertion in model container [2019-10-15 02:08:20,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:08:04" (2/3) ... [2019-10-15 02:08:20,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a69f564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:08:20, skipping insertion in model container [2019-10-15 02:08:20,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:08:20" (3/3) ... [2019-10-15 02:08:20,191 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2019-10-15 02:08:20,201 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:08:20,220 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:08:20,238 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:08:20,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:08:20,284 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:08:20,284 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:08:20,284 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:08:20,284 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:08:20,284 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:08:20,284 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:08:20,285 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:08:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states. [2019-10-15 02:08:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-15 02:08:20,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:08:20,361 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] [2019-10-15 02:08:20,366 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:08:20,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:08:20,374 INFO L82 PathProgramCache]: Analyzing trace with hash -506362180, now seen corresponding path program 1 times [2019-10-15 02:08:20,384 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:08:20,385 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772384237] [2019-10-15 02:08:20,385 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:20,386 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:20,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:08:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:08:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:08:21,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772384237] [2019-10-15 02:08:21,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:08:21,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:08:21,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697098836] [2019-10-15 02:08:21,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:08:21,442 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:08:21,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:08:21,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:21,459 INFO L87 Difference]: Start difference. First operand 895 states. Second operand 3 states. [2019-10-15 02:08:22,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:08:22,087 INFO L93 Difference]: Finished difference Result 2458 states and 3794 transitions. [2019-10-15 02:08:22,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:08:22,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-15 02:08:22,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:08:22,139 INFO L225 Difference]: With dead ends: 2458 [2019-10-15 02:08:22,139 INFO L226 Difference]: Without dead ends: 1626 [2019-10-15 02:08:22,155 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:22,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2019-10-15 02:08:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1598. [2019-10-15 02:08:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1598 states. [2019-10-15 02:08:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2347 transitions. [2019-10-15 02:08:22,375 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2347 transitions. Word has length 39 [2019-10-15 02:08:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:08:22,376 INFO L462 AbstractCegarLoop]: Abstraction has 1598 states and 2347 transitions. [2019-10-15 02:08:22,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:08:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2347 transitions. [2019-10-15 02:08:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-15 02:08:22,381 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:08:22,381 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] [2019-10-15 02:08:22,382 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:08:22,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:08:22,382 INFO L82 PathProgramCache]: Analyzing trace with hash 129317872, now seen corresponding path program 1 times [2019-10-15 02:08:22,382 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:08:22,383 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373387558] [2019-10-15 02:08:22,383 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:22,383 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:22,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:08:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:08:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:08:22,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373387558] [2019-10-15 02:08:22,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:08:22,825 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:08:22,825 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355519584] [2019-10-15 02:08:22,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:08:22,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:08:22,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:08:22,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:22,829 INFO L87 Difference]: Start difference. First operand 1598 states and 2347 transitions. Second operand 3 states. [2019-10-15 02:08:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:08:23,537 INFO L93 Difference]: Finished difference Result 4759 states and 6999 transitions. [2019-10-15 02:08:23,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:08:23,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-15 02:08:23,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:08:23,570 INFO L225 Difference]: With dead ends: 4759 [2019-10-15 02:08:23,570 INFO L226 Difference]: Without dead ends: 3170 [2019-10-15 02:08:23,580 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2019-10-15 02:08:23,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3142. [2019-10-15 02:08:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3142 states. [2019-10-15 02:08:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 4629 transitions. [2019-10-15 02:08:23,781 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 4629 transitions. Word has length 40 [2019-10-15 02:08:23,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:08:23,781 INFO L462 AbstractCegarLoop]: Abstraction has 3142 states and 4629 transitions. [2019-10-15 02:08:23,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:08:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 4629 transitions. [2019-10-15 02:08:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 02:08:23,788 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:08:23,788 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] [2019-10-15 02:08:23,789 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:08:23,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:08:23,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1925818889, now seen corresponding path program 1 times [2019-10-15 02:08:23,790 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:08:23,790 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564164755] [2019-10-15 02:08:23,790 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:23,790 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:23,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:08:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:08:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:08:24,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564164755] [2019-10-15 02:08:24,151 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:08:24,151 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:08:24,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558571084] [2019-10-15 02:08:24,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:08:24,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:08:24,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:08:24,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:24,152 INFO L87 Difference]: Start difference. First operand 3142 states and 4629 transitions. Second operand 3 states. [2019-10-15 02:08:24,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:08:24,845 INFO L93 Difference]: Finished difference Result 9375 states and 13811 transitions. [2019-10-15 02:08:24,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:08:24,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 02:08:24,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:08:24,897 INFO L225 Difference]: With dead ends: 9375 [2019-10-15 02:08:24,897 INFO L226 Difference]: Without dead ends: 6242 [2019-10-15 02:08:24,914 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6242 states. [2019-10-15 02:08:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6242 to 6214. [2019-10-15 02:08:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6214 states. [2019-10-15 02:08:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6214 states to 6214 states and 9157 transitions. [2019-10-15 02:08:25,208 INFO L78 Accepts]: Start accepts. Automaton has 6214 states and 9157 transitions. Word has length 43 [2019-10-15 02:08:25,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:08:25,208 INFO L462 AbstractCegarLoop]: Abstraction has 6214 states and 9157 transitions. [2019-10-15 02:08:25,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:08:25,209 INFO L276 IsEmpty]: Start isEmpty. Operand 6214 states and 9157 transitions. [2019-10-15 02:08:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-15 02:08:25,210 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:08:25,212 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] [2019-10-15 02:08:25,212 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:08:25,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:08:25,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1415444992, now seen corresponding path program 1 times [2019-10-15 02:08:25,213 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:08:25,213 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921531843] [2019-10-15 02:08:25,213 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:25,213 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:25,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:08:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:08:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:08:25,588 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921531843] [2019-10-15 02:08:25,589 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:08:25,589 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:08:25,589 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254911288] [2019-10-15 02:08:25,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:08:25,590 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:08:25,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:08:25,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:25,591 INFO L87 Difference]: Start difference. First operand 6214 states and 9157 transitions. Second operand 3 states. [2019-10-15 02:08:26,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:08:26,563 INFO L93 Difference]: Finished difference Result 18591 states and 27395 transitions. [2019-10-15 02:08:26,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:08:26,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-15 02:08:26,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:08:26,669 INFO L225 Difference]: With dead ends: 18591 [2019-10-15 02:08:26,670 INFO L226 Difference]: Without dead ends: 12386 [2019-10-15 02:08:26,700 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12386 states. [2019-10-15 02:08:27,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12386 to 12358. [2019-10-15 02:08:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12358 states. [2019-10-15 02:08:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12358 states to 12358 states and 18209 transitions. [2019-10-15 02:08:27,331 INFO L78 Accepts]: Start accepts. Automaton has 12358 states and 18209 transitions. Word has length 38 [2019-10-15 02:08:27,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:08:27,332 INFO L462 AbstractCegarLoop]: Abstraction has 12358 states and 18209 transitions. [2019-10-15 02:08:27,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:08:27,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12358 states and 18209 transitions. [2019-10-15 02:08:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-15 02:08:27,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:08:27,335 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] [2019-10-15 02:08:27,336 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:08:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:08:27,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1239720009, now seen corresponding path program 1 times [2019-10-15 02:08:27,336 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:08:27,337 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291936848] [2019-10-15 02:08:27,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:27,337 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:27,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:08:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:08:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:08:27,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291936848] [2019-10-15 02:08:27,637 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:08:27,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:08:27,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968753061] [2019-10-15 02:08:27,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:08:27,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:08:27,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:08:27,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:27,638 INFO L87 Difference]: Start difference. First operand 12358 states and 18209 transitions. Second operand 3 states. [2019-10-15 02:08:30,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:08:30,091 INFO L93 Difference]: Finished difference Result 36927 states and 54383 transitions. [2019-10-15 02:08:30,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:08:30,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-15 02:08:30,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:08:30,237 INFO L225 Difference]: With dead ends: 36927 [2019-10-15 02:08:30,237 INFO L226 Difference]: Without dead ends: 24578 [2019-10-15 02:08:30,295 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:30,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24578 states. [2019-10-15 02:08:31,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24578 to 24550. [2019-10-15 02:08:31,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24550 states. [2019-10-15 02:08:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24550 states to 24550 states and 36137 transitions. [2019-10-15 02:08:31,402 INFO L78 Accepts]: Start accepts. Automaton has 24550 states and 36137 transitions. Word has length 44 [2019-10-15 02:08:31,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:08:31,404 INFO L462 AbstractCegarLoop]: Abstraction has 24550 states and 36137 transitions. [2019-10-15 02:08:31,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:08:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 24550 states and 36137 transitions. [2019-10-15 02:08:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-15 02:08:31,405 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:08:31,405 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] [2019-10-15 02:08:31,406 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:08:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:08:31,406 INFO L82 PathProgramCache]: Analyzing trace with hash -183036877, now seen corresponding path program 1 times [2019-10-15 02:08:31,406 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:08:31,406 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690845884] [2019-10-15 02:08:31,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:31,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:08:31,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:08:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:08:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:08:31,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690845884] [2019-10-15 02:08:31,699 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:08:31,699 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:08:31,700 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68481569] [2019-10-15 02:08:31,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:08:31,700 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:08:31,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:08:31,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:31,701 INFO L87 Difference]: Start difference. First operand 24550 states and 36137 transitions. Second operand 3 states. [2019-10-15 02:08:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:08:33,377 INFO L93 Difference]: Finished difference Result 73503 states and 108167 transitions. [2019-10-15 02:08:33,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:08:33,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-15 02:08:33,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:08:33,633 INFO L225 Difference]: With dead ends: 73503 [2019-10-15 02:08:33,633 INFO L226 Difference]: Without dead ends: 48962 [2019-10-15 02:08:33,737 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:08:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48962 states.