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 0.1.24-36ac518-m [2019-10-07 06:01:43,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 06:01:43,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 06:01:43,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 06:01:43,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 06:01:43,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 06:01:43,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 06:01:43,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 06:01:43,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 06:01:43,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 06:01:43,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 06:01:43,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 06:01:43,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 06:01:43,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 06:01:43,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 06:01:43,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 06:01:43,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 06:01:43,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 06:01:43,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 06:01:43,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 06:01:43,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 06:01:43,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 06:01:43,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 06:01:43,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 06:01:43,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 06:01:43,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 06:01:43,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 06:01:43,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 06:01:43,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 06:01:43,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 06:01:43,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 06:01:43,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 06:01:43,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 06:01:43,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 06:01:43,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 06:01:43,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 06:01:43,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 06:01:43,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 06:01:43,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 06:01:43,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 06:01:43,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 06:01:43,104 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 [2019-10-07 06:01:43,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 06:01:43,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 06:01:43,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 06:01:43,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 06:01:43,142 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 06:01:43,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 06:01:43,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 06:01:43,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 06:01:43,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 06:01:43,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 06:01:43,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 06:01:43,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 06:01:43,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 06:01:43,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 06:01:43,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 06:01:43,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 06:01:43,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 06:01:43,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 06:01:43,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 06:01:43,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 06:01:43,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 06:01:43,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 06:01:43,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 06:01:43,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 06:01:43,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 06:01:43,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 06:01:43,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 06:01:43,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 06:01:43,150 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 [2019-10-07 06:01:43,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 06:01:43,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 06:01:43,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 06:01:43,528 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 06:01:43,528 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 06:01:43,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2019-10-07 06:01:43,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c178ea342/4f55f14c24b74dbcbb21c6179f68bd35/FLAG77d849fbd [2019-10-07 06:01:44,540 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 06:01:44,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2019-10-07 06:01:44,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c178ea342/4f55f14c24b74dbcbb21c6179f68bd35/FLAG77d849fbd [2019-10-07 06:01:44,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c178ea342/4f55f14c24b74dbcbb21c6179f68bd35 [2019-10-07 06:01:45,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 06:01:45,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 06:01:45,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 06:01:45,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 06:01:45,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 06:01:45,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:01:44" (1/1) ... [2019-10-07 06:01:45,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47243856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:45, skipping insertion in model container [2019-10-07 06:01:45,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 06:01:44" (1/1) ... [2019-10-07 06:01:45,032 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 06:01:45,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 06:01:46,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:01:47,046 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 06:01:47,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 06:01:47,658 INFO L192 MainTranslator]: Completed translation [2019-10-07 06:01:47,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47 WrapperNode [2019-10-07 06:01:47,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 06:01:47,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 06:01:47,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 06:01:47,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 06:01:47,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (1/1) ... [2019-10-07 06:01:47,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (1/1) ... [2019-10-07 06:01:47,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (1/1) ... [2019-10-07 06:01:47,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (1/1) ... [2019-10-07 06:01:47,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (1/1) ... [2019-10-07 06:01:47,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (1/1) ... [2019-10-07 06:01:47,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (1/1) ... [2019-10-07 06:01:48,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 06:01:48,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 06:01:48,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 06:01:48,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 06:01:48,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (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 [2019-10-07 06:01:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 06:01:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 06:01:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-07 06:01:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2019-10-07 06:01:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 06:01:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 06:01:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-07 06:01:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-07 06:01:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-07 06:01:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-07 06:01:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2019-10-07 06:01:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2019-10-07 06:01:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2019-10-07 06:01:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2019-10-07 06:01:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp2_fault [2019-10-07 06:01:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1 [2019-10-07 06:01:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm1 [2019-10-07 06:01:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_enable [2019-10-07 06:01:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm1_enable [2019-10-07 06:01:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_channels_temp [2019-10-07 06:01:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2019-10-07 06:01:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2019-10-07 06:01:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2019-10-07 06:01:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2019-10-07 06:01:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm1_auto_point_pwm [2019-10-07 06:01:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2019-10-07 06:01:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan1_fault [2019-10-07 06:01:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2019-10-07 06:01:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan1_div [2019-10-07 06:01:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan1_div [2019-10-07 06:01:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2019-10-07 06:01:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_probe [2019-10-07 06:01:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_remove [2019-10-07 06:01:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_init_client [2019-10-07 06:01:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2019-10-07 06:01:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_driver_init [2019-10-07 06:01:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_driver_exit [2019-10-07 06:01:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 06:01:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-07 06:01:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-07 06:01:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-07 06:01:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-07 06:01:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-07 06:01:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-07 06:01:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-07 06:01:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-07 06:01:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 06:01:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-10-07 06:01:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-07 06:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-07 06:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-07 06:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-07 06:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-07 06:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-07 06:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-07 06:01:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-07 06:01:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-07 06:01:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-07 06:01:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-07 06:01:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-07 06:01:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-07 06:01:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 06:01:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 06:01:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 06:01:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:01:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:01:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 06:01:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 06:01:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:01:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 06:01:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 06:01:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:01:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:01:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:01:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:01:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:01:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:01:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:01:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_amc6821_data [2019-10-07 06:01:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_amc6821_data [2019-10-07 06:01:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2019-10-07 06:01:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_amc6821_data [2019-10-07 06:01:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_amc6821_data [2019-10-07 06:01:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_amc6821_data [2019-10-07 06:01:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2019-10-07 06:01:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 06:01:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 06:01:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 06:01:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 06:01:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 06:01:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 06:01:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 06:01:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 06:01:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-07 06:01:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-07 06:01:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-07 06:01:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-07 06:01:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-07 06:01:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2019-10-07 06:01:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2019-10-07 06:01:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2019-10-07 06:01:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 06:01:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 06:01:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 06:01:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 06:01:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-07 06:01:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-07 06:01:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 06:01:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 06:01:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 06:01:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 06:01:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 06:01:48,134 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2019-10-07 06:01:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2019-10-07 06:01:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 06:01:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 06:01:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 06:01:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 06:01:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 06:01:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 06:01:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-07 06:01:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 06:01:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-07 06:01:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-07 06:01:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-07 06:01:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 06:01:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-07 06:01:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-07 06:01:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-07 06:01:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-07 06:01:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-07 06:01:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-07 06:01:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-07 06:01:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 06:01:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-07 06:01:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-07 06:01:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-07 06:01:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-07 06:01:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-10-07 06:01:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-07 06:01:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-07 06:01:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-07 06:01:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-07 06:01:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-07 06:01:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-07 06:01:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 06:01:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 06:01:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 06:01:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 06:01:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 06:01:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2019-10-07 06:01:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2019-10-07 06:01:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 06:01:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2019-10-07 06:01:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2019-10-07 06:01:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-07 06:01:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-07 06:01:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-07 06:01:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-07 06:01:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-07 06:01:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-07 06:01:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 06:01:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-07 06:01:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-07 06:01:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-07 06:01:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2019-10-07 06:01:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_probe [2019-10-07 06:01:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2019-10-07 06:01:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_init_client [2019-10-07 06:01:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_remove [2019-10-07 06:01:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2019-10-07 06:01:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 06:01:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2019-10-07 06:01:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 06:01:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2019-10-07 06:01:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 06:01:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 06:01:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2019-10-07 06:01:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 06:01:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp2_fault [2019-10-07 06:01:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1 [2019-10-07 06:01:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm1 [2019-10-07 06:01:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_enable [2019-10-07 06:01:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm1_enable [2019-10-07 06:01:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_channels_temp [2019-10-07 06:01:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2019-10-07 06:01:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2019-10-07 06:01:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2019-10-07 06:01:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2019-10-07 06:01:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm1_auto_point_pwm [2019-10-07 06:01:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2019-10-07 06:01:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan1_fault [2019-10-07 06:01:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2019-10-07 06:01:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan1_div [2019-10-07 06:01:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan1_div [2019-10-07 06:01:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_driver_init [2019-10-07 06:01:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_driver_exit [2019-10-07 06:01:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 06:01:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 06:01:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 06:01:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 06:01:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 06:01:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-07 06:01:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 06:01:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 06:01:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 06:01:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 06:01:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 06:01:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 06:01:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 06:01:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 06:01:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 06:01:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_amc6821_data [2019-10-07 06:01:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_amc6821_data [2019-10-07 06:01:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_amc6821_data [2019-10-07 06:01:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_amc6821_data [2019-10-07 06:01:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_amc6821_data [2019-10-07 06:01:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 06:01:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 06:01:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 06:01:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 06:01:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 06:01:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 06:01:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 06:01:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 06:01:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 06:02:05,084 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 06:02:05,085 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 06:02:05,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:02:05 BoogieIcfgContainer [2019-10-07 06:02:05,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 06:02:05,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 06:02:05,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 06:02:05,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 06:02:05,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 06:01:44" (1/3) ... [2019-10-07 06:02:05,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c36edf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:02:05, skipping insertion in model container [2019-10-07 06:02:05,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 06:01:47" (2/3) ... [2019-10-07 06:02:05,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c36edf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 06:02:05, skipping insertion in model container [2019-10-07 06:02:05,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 06:02:05" (3/3) ... [2019-10-07 06:02:05,097 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2019-10-07 06:02:05,110 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 06:02:05,123 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 06:02:05,137 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 06:02:05,179 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 06:02:05,179 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 06:02:05,180 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 06:02:05,180 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 06:02:05,180 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 06:02:05,180 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 06:02:05,180 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 06:02:05,180 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 06:02:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states. [2019-10-07 06:02:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-07 06:02:05,240 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:05,243 INFO L385 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] [2019-10-07 06:02:05,248 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:05,257 INFO L82 PathProgramCache]: Analyzing trace with hash -506362180, now seen corresponding path program 1 times [2019-10-07 06:02:05,268 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:05,269 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:05,269 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:05,269 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:06,572 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:06,573 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:06,573 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:06,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:06,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:06,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:06,600 INFO L87 Difference]: Start difference. First operand 895 states. Second operand 3 states. [2019-10-07 06:02:07,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:07,418 INFO L93 Difference]: Finished difference Result 2458 states and 3794 transitions. [2019-10-07 06:02:07,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:07,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-07 06:02:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:07,464 INFO L225 Difference]: With dead ends: 2458 [2019-10-07 06:02:07,464 INFO L226 Difference]: Without dead ends: 1626 [2019-10-07 06:02:07,481 INFO L606 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 [2019-10-07 06:02:07,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2019-10-07 06:02:07,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1598. [2019-10-07 06:02:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1598 states. [2019-10-07 06:02:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2347 transitions. [2019-10-07 06:02:07,700 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2347 transitions. Word has length 39 [2019-10-07 06:02:07,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:07,701 INFO L462 AbstractCegarLoop]: Abstraction has 1598 states and 2347 transitions. [2019-10-07 06:02:07,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2347 transitions. [2019-10-07 06:02:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 06:02:07,707 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:07,707 INFO L385 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] [2019-10-07 06:02:07,707 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:07,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:07,708 INFO L82 PathProgramCache]: Analyzing trace with hash 725339639, now seen corresponding path program 1 times [2019-10-07 06:02:07,708 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:07,708 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:07,708 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:07,709 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:07,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:08,211 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:08,212 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:08,212 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:08,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:08,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:08,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:08,224 INFO L87 Difference]: Start difference. First operand 1598 states and 2347 transitions. Second operand 3 states. [2019-10-07 06:02:08,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:08,788 INFO L93 Difference]: Finished difference Result 4767 states and 7007 transitions. [2019-10-07 06:02:08,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:08,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-07 06:02:08,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:08,828 INFO L225 Difference]: With dead ends: 4767 [2019-10-07 06:02:08,828 INFO L226 Difference]: Without dead ends: 3178 [2019-10-07 06:02:08,844 INFO L606 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 [2019-10-07 06:02:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2019-10-07 06:02:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 3150. [2019-10-07 06:02:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3150 states. [2019-10-07 06:02:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4637 transitions. [2019-10-07 06:02:09,134 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4637 transitions. Word has length 42 [2019-10-07 06:02:09,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:09,134 INFO L462 AbstractCegarLoop]: Abstraction has 3150 states and 4637 transitions. [2019-10-07 06:02:09,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:09,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4637 transitions. [2019-10-07 06:02:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 06:02:09,148 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:09,148 INFO L385 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] [2019-10-07 06:02:09,148 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:09,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:09,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1925818889, now seen corresponding path program 1 times [2019-10-07 06:02:09,149 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:09,149 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:09,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:09,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:09,744 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:09,745 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:09,745 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:09,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:09,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:09,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:09,747 INFO L87 Difference]: Start difference. First operand 3150 states and 4637 transitions. Second operand 3 states. [2019-10-07 06:02:10,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:10,791 INFO L93 Difference]: Finished difference Result 9399 states and 13835 transitions. [2019-10-07 06:02:10,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:10,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 06:02:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:10,862 INFO L225 Difference]: With dead ends: 9399 [2019-10-07 06:02:10,862 INFO L226 Difference]: Without dead ends: 6258 [2019-10-07 06:02:10,886 INFO L606 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 [2019-10-07 06:02:10,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6258 states. [2019-10-07 06:02:11,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6258 to 6230. [2019-10-07 06:02:11,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6230 states. [2019-10-07 06:02:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6230 states to 6230 states and 9173 transitions. [2019-10-07 06:02:11,302 INFO L78 Accepts]: Start accepts. Automaton has 6230 states and 9173 transitions. Word has length 43 [2019-10-07 06:02:11,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:11,303 INFO L462 AbstractCegarLoop]: Abstraction has 6230 states and 9173 transitions. [2019-10-07 06:02:11,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 6230 states and 9173 transitions. [2019-10-07 06:02:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-07 06:02:11,308 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:11,308 INFO L385 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] [2019-10-07 06:02:11,308 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:11,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:11,309 INFO L82 PathProgramCache]: Analyzing trace with hash -183036877, now seen corresponding path program 1 times [2019-10-07 06:02:11,309 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:11,309 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:11,309 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:11,311 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:11,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:11,733 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:11,734 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:11,735 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:11,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:11,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:11,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:11,739 INFO L87 Difference]: Start difference. First operand 6230 states and 9173 transitions. Second operand 3 states. [2019-10-07 06:02:12,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:12,783 INFO L93 Difference]: Finished difference Result 18639 states and 27443 transitions. [2019-10-07 06:02:12,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:12,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-10-07 06:02:12,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:12,929 INFO L225 Difference]: With dead ends: 18639 [2019-10-07 06:02:12,929 INFO L226 Difference]: Without dead ends: 12418 [2019-10-07 06:02:12,974 INFO L606 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 [2019-10-07 06:02:12,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12418 states. [2019-10-07 06:02:14,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12418 to 12390. [2019-10-07 06:02:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12390 states. [2019-10-07 06:02:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12390 states to 12390 states and 18241 transitions. [2019-10-07 06:02:14,708 INFO L78 Accepts]: Start accepts. Automaton has 12390 states and 18241 transitions. Word has length 41 [2019-10-07 06:02:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:14,709 INFO L462 AbstractCegarLoop]: Abstraction has 12390 states and 18241 transitions. [2019-10-07 06:02:14,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 12390 states and 18241 transitions. [2019-10-07 06:02:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-07 06:02:14,711 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:14,711 INFO L385 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] [2019-10-07 06:02:14,711 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:14,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:14,712 INFO L82 PathProgramCache]: Analyzing trace with hash 129317872, now seen corresponding path program 1 times [2019-10-07 06:02:14,712 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:14,712 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:14,712 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:14,713 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:14,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:15,098 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:15,098 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:15,098 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:15,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:15,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:15,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:15,100 INFO L87 Difference]: Start difference. First operand 12390 states and 18241 transitions. Second operand 3 states. [2019-10-07 06:02:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:16,691 INFO L93 Difference]: Finished difference Result 37023 states and 54527 transitions. [2019-10-07 06:02:16,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:16,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-10-07 06:02:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:16,936 INFO L225 Difference]: With dead ends: 37023 [2019-10-07 06:02:16,937 INFO L226 Difference]: Without dead ends: 24642 [2019-10-07 06:02:17,045 INFO L606 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 [2019-10-07 06:02:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24642 states. [2019-10-07 06:02:18,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24642 to 24614. [2019-10-07 06:02:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24614 states. [2019-10-07 06:02:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24614 states to 24614 states and 36249 transitions. [2019-10-07 06:02:18,687 INFO L78 Accepts]: Start accepts. Automaton has 24614 states and 36249 transitions. Word has length 40 [2019-10-07 06:02:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:18,690 INFO L462 AbstractCegarLoop]: Abstraction has 24614 states and 36249 transitions. [2019-10-07 06:02:18,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 24614 states and 36249 transitions. [2019-10-07 06:02:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-07 06:02:18,693 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:18,693 INFO L385 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] [2019-10-07 06:02:18,694 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:18,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:18,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1239720009, now seen corresponding path program 1 times [2019-10-07 06:02:18,695 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:18,695 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:18,695 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:18,695 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:18,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:19,092 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:19,093 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:19,093 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:19,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:19,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:19,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:19,096 INFO L87 Difference]: Start difference. First operand 24614 states and 36249 transitions. Second operand 3 states. [2019-10-07 06:02:21,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:21,296 INFO L93 Difference]: Finished difference Result 73567 states and 108279 transitions. [2019-10-07 06:02:21,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:21,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-07 06:02:21,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:21,627 INFO L225 Difference]: With dead ends: 73567 [2019-10-07 06:02:21,628 INFO L226 Difference]: Without dead ends: 48962 [2019-10-07 06:02:21,763 INFO L606 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 [2019-10-07 06:02:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48962 states. [2019-10-07 06:02:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48962 to 48934. [2019-10-07 06:02:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48934 states. [2019-10-07 06:02:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48934 states to 48934 states and 71977 transitions. [2019-10-07 06:02:25,714 INFO L78 Accepts]: Start accepts. Automaton has 48934 states and 71977 transitions. Word has length 44 [2019-10-07 06:02:25,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:25,715 INFO L462 AbstractCegarLoop]: Abstraction has 48934 states and 71977 transitions. [2019-10-07 06:02:25,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 48934 states and 71977 transitions. [2019-10-07 06:02:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-07 06:02:25,718 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:25,719 INFO L385 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] [2019-10-07 06:02:25,719 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:25,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1415444992, now seen corresponding path program 1 times [2019-10-07 06:02:25,720 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:25,720 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:25,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:25,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:25,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:26,089 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:26,089 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:26,089 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:26,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:26,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:26,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:26,093 INFO L87 Difference]: Start difference. First operand 48934 states and 71977 transitions. Second operand 3 states. [2019-10-07 06:02:31,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:31,824 INFO L93 Difference]: Finished difference Result 146527 states and 215463 transitions. [2019-10-07 06:02:31,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:31,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-10-07 06:02:31,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:32,467 INFO L225 Difference]: With dead ends: 146527 [2019-10-07 06:02:32,467 INFO L226 Difference]: Without dead ends: 97602 [2019-10-07 06:02:32,647 INFO L606 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 [2019-10-07 06:02:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97602 states. [2019-10-07 06:02:36,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97602 to 97574. [2019-10-07 06:02:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97574 states. [2019-10-07 06:02:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97574 states to 97574 states and 143401 transitions. [2019-10-07 06:02:40,507 INFO L78 Accepts]: Start accepts. Automaton has 97574 states and 143401 transitions. Word has length 38 [2019-10-07 06:02:40,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:40,509 INFO L462 AbstractCegarLoop]: Abstraction has 97574 states and 143401 transitions. [2019-10-07 06:02:40,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 97574 states and 143401 transitions. [2019-10-07 06:02:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 06:02:40,513 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:40,514 INFO L385 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] [2019-10-07 06:02:40,514 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:40,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:40,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1712076975, now seen corresponding path program 1 times [2019-10-07 06:02:40,515 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:40,515 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:40,515 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:40,516 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:40,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:40,955 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:40,955 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:40,956 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:40,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:40,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:40,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:40,957 INFO L87 Difference]: Start difference. First operand 97574 states and 143401 transitions. Second operand 3 states. [2019-10-07 06:02:45,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:02:45,186 INFO L93 Difference]: Finished difference Result 291679 states and 428391 transitions. [2019-10-07 06:02:45,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:02:45,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 06:02:45,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:02:47,052 INFO L225 Difference]: With dead ends: 291679 [2019-10-07 06:02:47,053 INFO L226 Difference]: Without dead ends: 194114 [2019-10-07 06:02:47,341 INFO L606 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 [2019-10-07 06:02:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194114 states. [2019-10-07 06:02:56,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194114 to 194086. [2019-10-07 06:02:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194086 states. [2019-10-07 06:02:57,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194086 states to 194086 states and 284841 transitions. [2019-10-07 06:02:57,343 INFO L78 Accepts]: Start accepts. Automaton has 194086 states and 284841 transitions. Word has length 48 [2019-10-07 06:02:57,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:02:57,344 INFO L462 AbstractCegarLoop]: Abstraction has 194086 states and 284841 transitions. [2019-10-07 06:02:57,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:02:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 194086 states and 284841 transitions. [2019-10-07 06:02:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 06:02:57,346 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:02:57,346 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 06:02:57,346 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:02:57,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:02:57,347 INFO L82 PathProgramCache]: Analyzing trace with hash 486022739, now seen corresponding path program 1 times [2019-10-07 06:02:57,347 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:02:57,347 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:57,347 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:57,348 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:02:57,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:02:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:02:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:02:57,691 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:02:57,692 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:02:57,692 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:02:57,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:02:57,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:02:57,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:02:57,693 INFO L87 Difference]: Start difference. First operand 194086 states and 284841 transitions. Second operand 3 states. [2019-10-07 06:03:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:03:09,377 INFO L93 Difference]: Finished difference Result 580191 states and 850919 transitions. [2019-10-07 06:03:09,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:03:09,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 06:03:09,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:03:11,002 INFO L225 Difference]: With dead ends: 580191 [2019-10-07 06:03:11,002 INFO L226 Difference]: Without dead ends: 386114 [2019-10-07 06:03:12,894 INFO L606 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 [2019-10-07 06:03:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386114 states. [2019-10-07 06:03:31,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386114 to 386086. [2019-10-07 06:03:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386086 states. [2019-10-07 06:03:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386086 states to 386086 states and 565801 transitions. [2019-10-07 06:03:32,493 INFO L78 Accepts]: Start accepts. Automaton has 386086 states and 565801 transitions. Word has length 47 [2019-10-07 06:03:32,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:03:32,493 INFO L462 AbstractCegarLoop]: Abstraction has 386086 states and 565801 transitions. [2019-10-07 06:03:32,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:03:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 386086 states and 565801 transitions. [2019-10-07 06:03:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 06:03:32,495 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:03:32,495 INFO L385 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] [2019-10-07 06:03:32,495 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:03:32,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:03:32,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1660534542, now seen corresponding path program 1 times [2019-10-07 06:03:32,496 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:03:32,496 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:03:32,496 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:03:32,496 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:03:32,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:03:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:03:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:03:32,876 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:03:32,877 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:03:32,878 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:03:32,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:03:32,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:03:32,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:03:32,879 INFO L87 Difference]: Start difference. First operand 386086 states and 565801 transitions. Second operand 3 states. [2019-10-07 06:04:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:04:02,221 INFO L93 Difference]: Finished difference Result 1156191 states and 1693799 transitions. [2019-10-07 06:04:02,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:04:02,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-07 06:04:02,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:04:05,532 INFO L225 Difference]: With dead ends: 1156191 [2019-10-07 06:04:05,532 INFO L226 Difference]: Without dead ends: 770114 [2019-10-07 06:04:08,095 INFO L606 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 [2019-10-07 06:04:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770114 states. [2019-10-07 06:05:09,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770114 to 770086. [2019-10-07 06:05:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770086 states. [2019-10-07 06:05:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770086 states to 770086 states and 1127465 transitions. [2019-10-07 06:05:13,058 INFO L78 Accepts]: Start accepts. Automaton has 770086 states and 1127465 transitions. Word has length 45 [2019-10-07 06:05:13,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 06:05:13,058 INFO L462 AbstractCegarLoop]: Abstraction has 770086 states and 1127465 transitions. [2019-10-07 06:05:13,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 06:05:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 770086 states and 1127465 transitions. [2019-10-07 06:05:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 06:05:13,060 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 06:05:13,060 INFO L385 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] [2019-10-07 06:05:13,061 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 06:05:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 06:05:13,061 INFO L82 PathProgramCache]: Analyzing trace with hash -933214216, now seen corresponding path program 1 times [2019-10-07 06:05:13,062 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 06:05:13,062 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:05:13,062 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:05:13,062 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 06:05:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 06:05:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 06:05:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 06:05:13,424 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 06:05:13,425 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 06:05:13,425 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 06:05:13,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 06:05:13,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 06:05:13,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 06:05:13,426 INFO L87 Difference]: Start difference. First operand 770086 states and 1127465 transitions. Second operand 3 states. [2019-10-07 06:06:35,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 06:06:35,344 INFO L93 Difference]: Finished difference Result 2306143 states and 3375207 transitions. [2019-10-07 06:06:35,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 06:06:35,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 06:06:35,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 06:06:42,826 INFO L225 Difference]: With dead ends: 2306143 [2019-10-07 06:06:42,826 INFO L226 Difference]: Without dead ends: 1536066 [2019-10-07 06:06:44,538 INFO L606 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 [2019-10-07 06:06:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536066 states.