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-fea9116 [2019-09-20 13:20:52,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:20:52,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:20:52,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:20:52,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:20:52,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:20:52,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:20:52,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:20:52,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:20:52,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:20:52,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:20:52,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:20:52,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:20:52,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:20:52,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:20:52,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:20:52,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:20:52,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:20:52,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:20:52,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:20:52,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:20:52,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:20:52,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:20:52,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:20:52,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:20:52,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:20:52,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:20:52,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:20:52,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:20:52,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:20:52,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:20:52,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:20:52,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:20:52,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:20:52,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:20:52,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:20:52,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:20:52,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:20:52,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:20:52,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:20:52,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:20:52,413 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 [2019-09-20 13:20:52,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:20:52,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:20:52,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:20:52,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:20:52,430 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:20:52,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:20:52,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:20:52,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:20:52,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:20:52,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:20:52,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:20:52,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:20:52,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:20:52,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:20:52,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:20:52,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:20:52,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:20:52,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:20:52,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:20:52,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:20:52,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:20:52,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:20:52,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:20:52,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:20:52,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:20:52,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:20:52,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:20:52,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:20:52,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:20:52,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:20:52,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:20:52,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:20:52,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:20:52,483 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:20:52,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-09-20 13:20:52,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6f04d38/0189a2ac81254b39b00db7077ba3aa80/FLAGe3b038e24 [2019-09-20 13:20:53,367 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:20:53,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-09-20 13:20:53,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6f04d38/0189a2ac81254b39b00db7077ba3aa80/FLAGe3b038e24 [2019-09-20 13:20:53,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6f04d38/0189a2ac81254b39b00db7077ba3aa80 [2019-09-20 13:20:53,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:20:53,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:20:53,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:53,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:20:53,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:20:53,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:53" (1/1) ... [2019-09-20 13:20:53,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a488234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:53, skipping insertion in model container [2019-09-20 13:20:53,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:20:53" (1/1) ... [2019-09-20 13:20:53,956 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:20:54,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:20:56,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:56,027 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:20:56,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:20:56,783 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:20:56,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56 WrapperNode [2019-09-20 13:20:56,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:20:56,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:20:56,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:20:56,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:20:56,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (1/1) ... [2019-09-20 13:20:56,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (1/1) ... [2019-09-20 13:20:56,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (1/1) ... [2019-09-20 13:20:56,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (1/1) ... [2019-09-20 13:20:57,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (1/1) ... [2019-09-20 13:20:57,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (1/1) ... [2019-09-20 13:20:57,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (1/1) ... [2019-09-20 13:20:57,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:20:57,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:20:57,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:20:57,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:20:57,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (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 [2019-09-20 13:20:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:20:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:20:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-09-20 13:20:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-20 13:20:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-20 13:20:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-20 13:20:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:20:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-20 13:20:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:20:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-20 13:20:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:20:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-20 13:20:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:20:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:20:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-20 13:20:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-20 13:20:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-20 13:20:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-20 13:20:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-09-20 13:20:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-09-20 13:20:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2019-09-20 13:20:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2019-09-20 13:20:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2019-09-20 13:20:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_func [2019-09-20 13:20:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2019-09-20 13:20:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_prepare [2019-09-20 13:20:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_msg_cleanup [2019-09-20 13:20:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2019-09-20 13:20:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2019-09-20 13:20:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_transfer [2019-09-20 13:20:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_xfer [2019-09-20 13:20:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_adapter_prepare [2019-09-20 13:20:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:20:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-20 13:20:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-20 13:20:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-20 13:20:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-20 13:20:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-20 13:20:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-09-20 13:20:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-20 13:20:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-09-20 13:20:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-20 13:20:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-20 13:20:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-20 13:20:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-09-20 13:20:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:20:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:20:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:20:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:20:57,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-09-20 13:20:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-09-20 13:20:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:20:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure PageHighMem [2019-09-20 13:20:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-20 13:20:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-09-20 13:20:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-09-20 13:20:57,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-09-20 13:20:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2019-09-20 13:20:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-09-20 13:20:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-09-20 13:20:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-09-20 13:20:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-20 13:20:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2019-09-20 13:20:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2019-09-20 13:20:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-09-20 13:20:57,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-09-20 13:20:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-20 13:20:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-20 13:20:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-09-20 13:20:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-20 13:20:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2019-09-20 13:20:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2019-09-20 13:20:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-20 13:20:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-20 13:20:57,215 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-20 13:20:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_setgpio [2019-09-20 13:20:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_sleep [2019-09-20 13:20:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done_busyloop [2019-09-20 13:20:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_wait_for_debi_done [2019-09-20 13:20:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_sg [2019-09-20 13:20:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vmalloc_build_pgtable [2019-09-20 13:20:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_vfree_destroy_pgtable [2019-09-20 13:20:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2019-09-20 13:20:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2019-09-20 13:20:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2019-09-20 13:20:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_hw [2019-09-20 13:20:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_init_one [2019-09-20 13:20:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_remove_one [2019-09-20 13:20:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_register_extension [2019-09-20 13:20:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_unregister_extension [2019-09-20 13:20:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_23 [2019-09-20 13:20:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-09-20 13:20:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-09-20 13:20:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_26 [2019-09-20 13:20:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-09-20 13:20:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-09-20 13:20:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-09-20 13:20:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:20:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:20:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-20 13:20:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:20:57,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:20:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-20 13:20:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-20 13:20:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-20 13:20:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:20:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-20 13:20:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-20 13:20:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-20 13:20:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-09-20 13:20:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-09-20 13:20:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_sg [2019-09-20 13:20:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_sg [2019-09-20 13:20:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:20:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:20:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-20 13:20:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-20 13:20:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-09-20 13:20:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-09-20 13:20:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-09-20 13:20:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-20 13:20:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 13:20:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-09-20 13:20:57,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-20 13:20:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-20 13:20:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2019-09-20 13:20:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2019-09-20 13:20:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-20 13:20:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:20:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:20:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:20:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:20:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-20 13:20:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-20 13:20:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:20:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-20 13:20:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-20 13:20:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-20 13:20:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-20 13:20:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-09-20 13:20:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-20 13:20:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-20 13:20:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:20:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-20 13:20:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-20 13:20:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-20 13:20:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-20 13:20:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-20 13:20:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:20:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:20:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-20 13:20:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-20 13:20:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:20:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-20 13:20:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-20 13:20:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-20 13:20:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-09-20 13:20:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_adapter_prepare [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_func [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_prepare [2019-09-20 13:20:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_msg_cleanup [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:20:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_transfer [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_xfer [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:20:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 13:20:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-20 13:20:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-20 13:20:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-20 13:20:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:20:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_26 [2019-09-20 13:20:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-09-20 13:20:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-09-20 13:20:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-09-20 13:20:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_23 [2019-09-20 13:20:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-09-20 13:20:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-09-20 13:20:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-20 13:20:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-20 13:20:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:20:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:20:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:20:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:20:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:20:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:20:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:20:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:20:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2019-09-20 13:20:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-20 13:20:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-20 13:20:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure PageHighMem [2019-09-20 13:20:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2019-09-20 13:20:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-20 13:20:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-09-20 13:20:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-09-20 13:20:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-09-20 13:20:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2019-09-20 13:20:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-09-20 13:20:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-09-20 13:20:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-09-20 13:20:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-09-20 13:20:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-09-20 13:20:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_sg [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_sg [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~int [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2019-09-20 13:20:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-09-20 13:20:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_register_extension [2019-09-20 13:20:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_unregister_extension [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vmalloc_build_pgtable [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_vfree_destroy_pgtable [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_setgpio [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done [2019-09-20 13:20:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_sleep [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_wait_for_debi_done_busyloop [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_sg [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_hw [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_init_one [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:20:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_remove_one [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_lock_of_saa7146_dev [2019-09-20 13:20:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_vb_lock_of_videobuf_queue [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:20:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:20:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:20:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:21:07,883 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:21:07,883 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:21:07,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:07 BoogieIcfgContainer [2019-09-20 13:21:07,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:21:07,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:21:07,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:21:07,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:21:07,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:20:53" (1/3) ... [2019-09-20 13:21:07,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d73371c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:07, skipping insertion in model container [2019-09-20 13:21:07,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:20:56" (2/3) ... [2019-09-20 13:21:07,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d73371c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:07, skipping insertion in model container [2019-09-20 13:21:07,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:07" (3/3) ... [2019-09-20 13:21:07,901 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2019-09-20 13:21:07,912 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:21:07,931 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:21:07,951 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:21:08,007 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:21:08,008 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:21:08,008 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:21:08,008 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:21:08,008 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:21:08,008 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:21:08,008 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:21:08,009 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:21:08,009 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:21:08,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states. [2019-09-20 13:21:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-20 13:21:08,077 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:08,079 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:08,082 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:08,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:08,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1245454512, now seen corresponding path program 1 times [2019-09-20 13:21:08,090 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:08,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:08,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:08,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:08,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:08,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:08,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:08,916 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:08,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:08,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:08,934 INFO L87 Difference]: Start difference. First operand 1315 states. Second operand 3 states. [2019-09-20 13:21:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:11,898 INFO L93 Difference]: Finished difference Result 1309 states and 1814 transitions. [2019-09-20 13:21:11,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:11,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-09-20 13:21:11,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:11,938 INFO L225 Difference]: With dead ends: 1309 [2019-09-20 13:21:11,942 INFO L226 Difference]: Without dead ends: 858 [2019-09-20 13:21:11,957 INFO L636 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 [2019-09-20 13:21:11,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2019-09-20 13:21:12,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 855. [2019-09-20 13:21:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 855 states. [2019-09-20 13:21:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1165 transitions. [2019-09-20 13:21:12,180 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1165 transitions. Word has length 16 [2019-09-20 13:21:12,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:12,180 INFO L475 AbstractCegarLoop]: Abstraction has 855 states and 1165 transitions. [2019-09-20 13:21:12,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1165 transitions. [2019-09-20 13:21:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-20 13:21:12,183 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:12,183 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:12,183 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:12,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:12,184 INFO L82 PathProgramCache]: Analyzing trace with hash -46338647, now seen corresponding path program 1 times [2019-09-20 13:21:12,184 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:12,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:12,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:12,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:12,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:12,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:12,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:12,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:12,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:12,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:12,514 INFO L87 Difference]: Start difference. First operand 855 states and 1165 transitions. Second operand 3 states. [2019-09-20 13:21:15,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:15,214 INFO L93 Difference]: Finished difference Result 857 states and 1166 transitions. [2019-09-20 13:21:15,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:15,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-09-20 13:21:15,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:15,221 INFO L225 Difference]: With dead ends: 857 [2019-09-20 13:21:15,221 INFO L226 Difference]: Without dead ends: 854 [2019-09-20 13:21:15,223 INFO L636 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 [2019-09-20 13:21:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2019-09-20 13:21:15,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2019-09-20 13:21:15,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2019-09-20 13:21:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1163 transitions. [2019-09-20 13:21:15,276 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1163 transitions. Word has length 17 [2019-09-20 13:21:15,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:15,277 INFO L475 AbstractCegarLoop]: Abstraction has 854 states and 1163 transitions. [2019-09-20 13:21:15,277 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1163 transitions. [2019-09-20 13:21:15,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-20 13:21:15,278 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:15,278 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:15,278 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:15,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:15,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1437216045, now seen corresponding path program 1 times [2019-09-20 13:21:15,279 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:15,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:15,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:15,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:15,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:15,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:15,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:15,540 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:15,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:15,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:15,541 INFO L87 Difference]: Start difference. First operand 854 states and 1163 transitions. Second operand 3 states. [2019-09-20 13:21:18,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:18,224 INFO L93 Difference]: Finished difference Result 856 states and 1164 transitions. [2019-09-20 13:21:18,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:18,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-09-20 13:21:18,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:18,231 INFO L225 Difference]: With dead ends: 856 [2019-09-20 13:21:18,231 INFO L226 Difference]: Without dead ends: 853 [2019-09-20 13:21:18,232 INFO L636 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 [2019-09-20 13:21:18,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2019-09-20 13:21:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2019-09-20 13:21:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2019-09-20 13:21:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1161 transitions. [2019-09-20 13:21:18,284 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1161 transitions. Word has length 18 [2019-09-20 13:21:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:18,284 INFO L475 AbstractCegarLoop]: Abstraction has 853 states and 1161 transitions. [2019-09-20 13:21:18,284 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1161 transitions. [2019-09-20 13:21:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-20 13:21:18,286 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:18,286 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:18,286 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:18,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:18,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1604737556, now seen corresponding path program 1 times [2019-09-20 13:21:18,287 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:18,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:18,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:18,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:18,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:18,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:18,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:18,511 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:18,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:18,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:18,512 INFO L87 Difference]: Start difference. First operand 853 states and 1161 transitions. Second operand 3 states. [2019-09-20 13:21:21,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:21,262 INFO L93 Difference]: Finished difference Result 855 states and 1162 transitions. [2019-09-20 13:21:21,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:21,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-09-20 13:21:21,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:21,269 INFO L225 Difference]: With dead ends: 855 [2019-09-20 13:21:21,269 INFO L226 Difference]: Without dead ends: 852 [2019-09-20 13:21:21,270 INFO L636 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 [2019-09-20 13:21:21,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2019-09-20 13:21:21,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2019-09-20 13:21:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-09-20 13:21:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1159 transitions. [2019-09-20 13:21:21,317 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1159 transitions. Word has length 19 [2019-09-20 13:21:21,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:21,318 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1159 transitions. [2019-09-20 13:21:21,318 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1159 transitions. [2019-09-20 13:21:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-20 13:21:21,319 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:21,319 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:21,319 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:21,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:21,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1792035062, now seen corresponding path program 1 times [2019-09-20 13:21:21,320 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:21,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:21,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:21,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:21,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:21,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:21,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:21,586 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:21,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:21,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:21,587 INFO L87 Difference]: Start difference. First operand 852 states and 1159 transitions. Second operand 3 states. [2019-09-20 13:21:24,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:24,115 INFO L93 Difference]: Finished difference Result 854 states and 1160 transitions. [2019-09-20 13:21:24,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:24,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-09-20 13:21:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:24,303 INFO L225 Difference]: With dead ends: 854 [2019-09-20 13:21:24,303 INFO L226 Difference]: Without dead ends: 845 [2019-09-20 13:21:24,304 INFO L636 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 [2019-09-20 13:21:24,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-09-20 13:21:24,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2019-09-20 13:21:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2019-09-20 13:21:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1150 transitions. [2019-09-20 13:21:24,345 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1150 transitions. Word has length 20 [2019-09-20 13:21:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:24,346 INFO L475 AbstractCegarLoop]: Abstraction has 845 states and 1150 transitions. [2019-09-20 13:21:24,346 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1150 transitions. [2019-09-20 13:21:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-20 13:21:24,349 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:24,349 INFO L407 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:24,350 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:24,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:24,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1605539161, now seen corresponding path program 1 times [2019-09-20 13:21:24,350 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:24,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:24,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:24,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:24,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:24,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:24,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:21:24,700 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:21:24,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:21:24,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:21:24,700 INFO L87 Difference]: Start difference. First operand 845 states and 1150 transitions. Second operand 7 states. [2019-09-20 13:21:24,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:24,795 INFO L93 Difference]: Finished difference Result 1622 states and 2220 transitions. [2019-09-20 13:21:24,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:21:24,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-09-20 13:21:24,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:24,801 INFO L225 Difference]: With dead ends: 1622 [2019-09-20 13:21:24,802 INFO L226 Difference]: Without dead ends: 787 [2019-09-20 13:21:24,806 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:21:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-09-20 13:21:24,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 785. [2019-09-20 13:21:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-09-20 13:21:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1075 transitions. [2019-09-20 13:21:24,847 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1075 transitions. Word has length 72 [2019-09-20 13:21:24,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:24,849 INFO L475 AbstractCegarLoop]: Abstraction has 785 states and 1075 transitions. [2019-09-20 13:21:24,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:21:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1075 transitions. [2019-09-20 13:21:24,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:21:24,854 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:24,854 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:24,854 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:24,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:24,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1223677315, now seen corresponding path program 1 times [2019-09-20 13:21:24,855 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:24,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:24,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:24,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:24,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:25,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:25,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:21:25,169 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:21:25,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:21:25,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:21:25,170 INFO L87 Difference]: Start difference. First operand 785 states and 1075 transitions. Second operand 4 states. [2019-09-20 13:21:25,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:25,295 INFO L93 Difference]: Finished difference Result 1588 states and 2184 transitions. [2019-09-20 13:21:25,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:21:25,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2019-09-20 13:21:25,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:25,300 INFO L225 Difference]: With dead ends: 1588 [2019-09-20 13:21:25,300 INFO L226 Difference]: Without dead ends: 813 [2019-09-20 13:21:25,303 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:21:25,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2019-09-20 13:21:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 789. [2019-09-20 13:21:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-09-20 13:21:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1081 transitions. [2019-09-20 13:21:25,346 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1081 transitions. Word has length 78 [2019-09-20 13:21:25,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:25,347 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 1081 transitions. [2019-09-20 13:21:25,347 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:21:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1081 transitions. [2019-09-20 13:21:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:21:25,350 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:25,350 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:25,350 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:25,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:25,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1064377439, now seen corresponding path program 1 times [2019-09-20 13:21:25,351 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:25,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:25,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:25,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:25,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:25,748 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:25,748 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:21:26,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:27,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:21:27,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:21:27,580 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:21:27,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2019-09-20 13:21:27,581 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:21:27,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:21:27,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:21:27,581 INFO L87 Difference]: Start difference. First operand 789 states and 1081 transitions. Second operand 10 states. [2019-09-20 13:21:28,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:28,115 INFO L93 Difference]: Finished difference Result 1877 states and 2678 transitions. [2019-09-20 13:21:28,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:21:28,116 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2019-09-20 13:21:28,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:28,124 INFO L225 Difference]: With dead ends: 1877 [2019-09-20 13:21:28,124 INFO L226 Difference]: Without dead ends: 1098 [2019-09-20 13:21:28,129 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:21:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2019-09-20 13:21:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 809. [2019-09-20 13:21:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2019-09-20 13:21:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1111 transitions. [2019-09-20 13:21:28,224 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1111 transitions. Word has length 80 [2019-09-20 13:21:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:28,225 INFO L475 AbstractCegarLoop]: Abstraction has 809 states and 1111 transitions. [2019-09-20 13:21:28,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:21:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1111 transitions. [2019-09-20 13:21:28,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:21:28,227 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:28,227 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:28,227 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:28,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:28,228 INFO L82 PathProgramCache]: Analyzing trace with hash 2019498801, now seen corresponding path program 1 times [2019-09-20 13:21:28,228 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:28,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:28,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:28,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:28,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-20 13:21:29,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:29,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:29,068 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:29,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:29,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:29,069 INFO L87 Difference]: Start difference. First operand 809 states and 1111 transitions. Second operand 3 states.