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 -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:19:27,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:19:27,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:19:27,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:19:27,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:19:27,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:19:27,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:19:27,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:19:27,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:19:27,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:19:27,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:19:27,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:19:27,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:19:27,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:19:27,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:19:27,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:19:27,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:19:27,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:19:27,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:19:27,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:19:27,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:19:27,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:19:27,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:19:27,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:19:27,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:19:27,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:19:27,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:19:27,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:19:27,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:19:27,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:19:27,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:19:27,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:19:27,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:19:27,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:19:27,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:19:27,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:19:27,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:19:27,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:19:27,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:19:27,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:19:27,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:19:27,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 18:19:27,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:19:27,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:19:27,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:19:27,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:19:27,233 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:19:27,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:19:27,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:19:27,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:19:27,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:19:27,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:19:27,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:19:27,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:19:27,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:19:27,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:19:27,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:19:27,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:19:27,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:19:27,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:19:27,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:19:27,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:19:27,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:19:27,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:19:27,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:19:27,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:19:27,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:19:27,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:19:27,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:19:27,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:19:27,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:19:27,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:19:27,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:19:27,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:19:27,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:19:27,533 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:19:27,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-13 18:19:27,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0984c11/0430fc7fe8d04035abf4e6bccdcb82d3/FLAG65cf8fc3d [2019-10-13 18:19:28,365 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:19:28,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-13 18:19:28,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0984c11/0430fc7fe8d04035abf4e6bccdcb82d3/FLAG65cf8fc3d [2019-10-13 18:19:28,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0984c11/0430fc7fe8d04035abf4e6bccdcb82d3 [2019-10-13 18:19:28,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:19:28,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:19:28,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:19:28,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:19:28,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:19:28,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:19:28" (1/1) ... [2019-10-13 18:19:28,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38730a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:28, skipping insertion in model container [2019-10-13 18:19:28,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:19:28" (1/1) ... [2019-10-13 18:19:28,938 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:19:29,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:19:30,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:19:31,005 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:19:31,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:19:31,764 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:19:31,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31 WrapperNode [2019-10-13 18:19:31,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:19:31,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:19:31,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:19:31,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:19:31,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... [2019-10-13 18:19:31,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... [2019-10-13 18:19:31,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... [2019-10-13 18:19:31,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... [2019-10-13 18:19:32,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... [2019-10-13 18:19:32,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... [2019-10-13 18:19:32,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... [2019-10-13 18:19:32,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:19:32,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:19:32,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:19:32,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:19:32,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:19:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:19:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:19:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-13 18:19:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 18:19:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 18:19:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 18:19:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:19:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 18:19:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 18:19:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:19:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 18:19:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 18:19:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 18:19:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 18:19:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 18:19:32,231 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-13 18:19:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-13 18:19:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 18:19:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 18:19:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-13 18:19:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-10-13 18:19:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2019-10-13 18:19:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2019-10-13 18:19:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2019-10-13 18:19:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_func [2019-10-13 18:19:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2019-10-13 18:19:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_prepare [2019-10-13 18:19:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_cleanup [2019-10-13 18:19:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2019-10-13 18:19:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2019-10-13 18:19:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_transfer [2019-10-13 18:19:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_xfer [2019-10-13 18:19:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_adapter_prepare [2019-10-13 18:19:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:19:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 18:19:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 18:19:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 18:19:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 18:19:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 18:19:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 18:19:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 18:19:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 18:19:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 18:19:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 18:19:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 18:19:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-10-13 18:19:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-13 18:19:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:19:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHighMem [2019-10-13 18:19:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 18:19:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-13 18:19:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-13 18:19:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-10-13 18:19:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2019-10-13 18:19:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-13 18:19:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-13 18:19:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-13 18:19:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 18:19:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2019-10-13 18:19:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2019-10-13 18:19:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-13 18:19:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-13 18:19:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 18:19:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 18:19:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-13 18:19:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 18:19:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2019-10-13 18:19:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2019-10-13 18:19:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 18:19:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 18:19:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 18:19:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_setgpio [2019-10-13 18:19:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_sleep [2019-10-13 18:19:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_busyloop [2019-10-13 18:19:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done [2019-10-13 18:19:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_sg [2019-10-13 18:19:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vmalloc_build_pgtable [2019-10-13 18:19:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vfree_destroy_pgtable [2019-10-13 18:19:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2019-10-13 18:19:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2019-10-13 18:19:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2019-10-13 18:19:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_hw [2019-10-13 18:19:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_init_one [2019-10-13 18:19:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_remove_one [2019-10-13 18:19:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_register_extension [2019-10-13 18:19:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_unregister_extension [2019-10-13 18:19:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-10-13 18:19:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-13 18:19:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-13 18:19:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2019-10-13 18:19:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-13 18:19:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-13 18:19:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-13 18:19:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:19:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:19:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:19:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:19:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 18:19:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 18:19:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:19:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 18:19:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 18:19:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:19:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:19:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:19:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:19:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:19:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:19:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:19:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:19:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:19:32,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 18:19:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 18:19:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 18:19:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 18:19:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 18:19:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 18:19:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 18:19:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 18:19:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 18:19:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-13 18:19:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-13 18:19:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2019-10-13 18:19:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2019-10-13 18:19:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 18:19:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 18:19:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 18:19:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 18:19:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-13 18:19:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-13 18:19:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 18:19:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 18:19:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 18:19:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 18:19:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 18:19:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 18:19:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 18:19:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 18:19:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2019-10-13 18:19:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2019-10-13 18:19:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-13 18:19:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 18:19:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-13 18:19:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:19:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 18:19:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 18:19:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-13 18:19:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-10-13 18:19:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2019-10-13 18:19:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-13 18:19:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2019-10-13 18:19:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2019-10-13 18:19:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 18:19:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:19:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:19:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 18:19:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:19:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:19:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 18:19:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:19:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 18:19:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 18:19:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 18:19:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 18:19:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 18:19:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 18:19:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 18:19:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 18:19:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 18:19:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 18:19:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 18:19:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 18:19:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 18:19:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 18:19:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 18:19:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 18:19:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 18:19:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 18:19:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 18:19:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 18:19:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 18:19:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:19:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:19:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:19:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 18:19:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 18:19:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 18:19:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 18:19:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 18:19:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-13 18:19:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 18:19:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-13 18:19:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-13 18:19:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-13 18:19:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 18:19:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 18:19:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 18:19:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 18:19:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:19:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 18:19:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 18:19:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 18:19:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-13 18:19:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-10-13 18:19:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2019-10-13 18:19:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_adapter_prepare [2019-10-13 18:19:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2019-10-13 18:19:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2019-10-13 18:19:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_func [2019-10-13 18:19:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2019-10-13 18:19:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_prepare [2019-10-13 18:19:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:19:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 18:19:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:19:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_cleanup [2019-10-13 18:19:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_transfer [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_xfer [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:19:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:19:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 18:19:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:19:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:19:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 18:19:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 18:19:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 18:19:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 18:19:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 18:19:32,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2019-10-13 18:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-13 18:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-13 18:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-13 18:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-10-13 18:19:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-13 18:19:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-13 18:19:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 18:19:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 18:19:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 18:19:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2019-10-13 18:19:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-13 18:19:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-13 18:19:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-13 18:19:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2019-10-13 18:19:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-13 18:19:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:19:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:19:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:19:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 18:19:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:19:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:19:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:19:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:19:32,306 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-10-13 18:19:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-13 18:19:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:19:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 18:19:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 18:19:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-13 18:19:32,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2019-10-13 18:19:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2019-10-13 18:19:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 18:19:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 18:19:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure PageHighMem [2019-10-13 18:19:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2019-10-13 18:19:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 18:19:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-13 18:19:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-13 18:19:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-10-13 18:19:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2019-10-13 18:19:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-10-13 18:19:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-13 18:19:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-13 18:19:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-13 18:19:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-13 18:19:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2019-10-13 18:19:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2019-10-13 18:19:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-13 18:19:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-13 18:19:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 18:19:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2019-10-13 18:19:32,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-10-13 18:19:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2019-10-13 18:19:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-13 18:19:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-13 18:19:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-13 18:19:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 18:19:32,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 18:19:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 18:19:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 18:19:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-13 18:19:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 18:19:32,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2019-10-13 18:19:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2019-10-13 18:19:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 18:19:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 18:19:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 18:19:32,314 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 18:19:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 18:19:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_register_extension [2019-10-13 18:19:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_unregister_extension [2019-10-13 18:19:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2019-10-13 18:19:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2019-10-13 18:19:32,315 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2019-10-13 18:19:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vmalloc_build_pgtable [2019-10-13 18:19:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vfree_destroy_pgtable [2019-10-13 18:19:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_setgpio [2019-10-13 18:19:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done [2019-10-13 18:19:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_sleep [2019-10-13 18:19:32,316 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_busyloop [2019-10-13 18:19:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_sg [2019-10-13 18:19:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_hw [2019-10-13 18:19:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:19:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 18:19:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_init_one [2019-10-13 18:19:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 18:19:32,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_remove_one [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-10-13 18:19:32,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-10-13 18:19:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:19:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:19:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 18:19:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:19:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:19:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:19:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:19:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:19:43,636 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:19:43,637 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 18:19:43,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:19:43 BoogieIcfgContainer [2019-10-13 18:19:43,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:19:43,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:19:43,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:19:43,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:19:43,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:19:28" (1/3) ... [2019-10-13 18:19:43,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fb0567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:19:43, skipping insertion in model container [2019-10-13 18:19:43,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:31" (2/3) ... [2019-10-13 18:19:43,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fb0567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:19:43, skipping insertion in model container [2019-10-13 18:19:43,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:19:43" (3/3) ... [2019-10-13 18:19:43,650 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-10-13 18:19:43,661 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:19:43,675 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:19:43,687 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:19:43,727 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:19:43,727 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:19:43,727 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:19:43,727 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:19:43,727 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:19:43,728 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:19:43,728 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:19:43,728 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:19:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states. [2019-10-13 18:19:43,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-13 18:19:43,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:19:43,797 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:19:43,799 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:19:43,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:19:43,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1245454512, now seen corresponding path program 1 times [2019-10-13 18:19:43,815 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:19:43,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077666083] [2019-10-13 18:19:43,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:43,816 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:43,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:19:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:53,806 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-13 18:19:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:19:53,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077666083] [2019-10-13 18:19:53,989 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:19:53,989 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 18:19:53,989 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366161607] [2019-10-13 18:19:53,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 18:19:53,994 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:19:54,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 18:19:54,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:19:54,010 INFO L87 Difference]: Start difference. First operand 1315 states. Second operand 5 states. [2019-10-13 18:20:05,616 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 1209