java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:07:26,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:07:26,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:07:26,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:07:26,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:07:26,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:07:26,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:07:26,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:07:26,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:07:26,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:07:26,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:07:26,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:07:26,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:07:26,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:07:26,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:07:26,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:07:26,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:07:26,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:07:26,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:07:26,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:07:26,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:07:26,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:07:26,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:07:26,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:07:26,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:07:26,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:07:26,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:07:26,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:07:26,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:07:26,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:07:26,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:07:26,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:07:26,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:07:26,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:07:26,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:07:26,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:07:26,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:07:26,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:07:26,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:07:26,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:07:26,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:07:26,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:07:26,193 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:07:26,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:07:26,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:07:26,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:07:26,196 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:07:26,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:07:26,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:07:26,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:07:26,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:07:26,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:07:26,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:07:26,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:07:26,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:07:26,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:07:26,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:07:26,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:07:26,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:07:26,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:07:26,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:07:26,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:07:26,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:07:26,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:07:26,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:07:26,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:07:26,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:07:26,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:07:26,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:07:26,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:07:26,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:07:26,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:07:26,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:07:26,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:07:26,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:07:26,573 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:07:26,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-10-13 22:07:26,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec95f08c/564e666acddd4894815cf57ad800c8ac/FLAG646b3a5f1 [2019-10-13 22:07:27,513 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:07:27,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2019-10-13 22:07:27,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec95f08c/564e666acddd4894815cf57ad800c8ac/FLAG646b3a5f1 [2019-10-13 22:07:28,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ec95f08c/564e666acddd4894815cf57ad800c8ac [2019-10-13 22:07:28,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:07:28,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:07:28,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:07:28,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:07:28,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:07:28,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:07:28" (1/1) ... [2019-10-13 22:07:28,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d6f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:28, skipping insertion in model container [2019-10-13 22:07:28,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:07:28" (1/1) ... [2019-10-13 22:07:28,072 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:07:28,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:07:30,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:07:30,368 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:07:30,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:07:31,159 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:07:31,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31 WrapperNode [2019-10-13 22:07:31,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:07:31,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:07:31,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:07:31,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:07:31,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... [2019-10-13 22:07:31,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... [2019-10-13 22:07:31,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... [2019-10-13 22:07:31,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... [2019-10-13 22:07:31,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... [2019-10-13 22:07:31,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... [2019-10-13 22:07:31,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... [2019-10-13 22:07:31,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:07:31,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:07:31,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:07:31,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:07:31,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:07:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:07:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:07:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-10-13 22:07:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:07:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-10-13 22:07:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:07:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:07:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 22:07:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 22:07:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 22:07:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-13 22:07:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 22:07:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 22:07:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:07:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:07:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2019-10-13 22:07:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-13 22:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 22:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 22:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 22:07:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 22:07:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-13 22:07:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 22:07:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 22:07:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2019-10-13 22:07:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2019-10-13 22:07:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-13 22:07:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:07:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:07:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-13 22:07:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-13 22:07:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 22:07:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 22:07:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2019-10-13 22:07:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2019-10-13 22:07:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2019-10-13 22:07:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2019-10-13 22:07:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2019-10-13 22:07:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2019-10-13 22:07:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 22:07:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2019-10-13 22:07:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2019-10-13 22:07:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2019-10-13 22:07:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2019-10-13 22:07:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2019-10-13 22:07:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2019-10-13 22:07:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_aops [2019-10-13 22:07:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2019-10-13 22:07:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_direct_write [2019-10-13 22:07:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_send_write [2019-10-13 22:07:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_send [2019-10-13 22:07:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_splice_actor [2019-10-13 22:07:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_direct_splice_actor [2019-10-13 22:07:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure do_lo_receive [2019-10-13 22:07:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_receive [2019-10-13 22:07:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bio_filebacked [2019-10-13 22:07:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add_bio [2019-10-13 22:07:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_bio [2019-10-13 22:07:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2019-10-13 22:07:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_bio [2019-10-13 22:07:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_thread [2019-10-13 22:07:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2019-10-13 22:07:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2019-10-13 22:07:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2019-10-13 22:07:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2019-10-13 22:07:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2019-10-13 22:07:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2019-10-13 22:07:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2019-10-13 22:07:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2019-10-13 22:07:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2019-10-13 22:07:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2019-10-13 22:07:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2019-10-13 22:07:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2019-10-13 22:07:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2019-10-13 22:07:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2019-10-13 22:07:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2019-10-13 22:07:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2019-10-13 22:07:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2019-10-13 22:07:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2019-10-13 22:07:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2019-10-13 22:07:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2019-10-13 22:07:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2019-10-13 22:07:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2019-10-13 22:07:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2019-10-13 22:07:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2019-10-13 22:07:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2019-10-13 22:07:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2019-10-13 22:07:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2019-10-13 22:07:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2019-10-13 22:07:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2019-10-13 22:07:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2019-10-13 22:07:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2019-10-13 22:07:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2019-10-13 22:07:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2019-10-13 22:07:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2019-10-13 22:07:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2019-10-13 22:07:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2019-10-13 22:07:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2019-10-13 22:07:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2019-10-13 22:07:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2019-10-13 22:07:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2019-10-13 22:07:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2019-10-13 22:07:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_one [2019-10-13 22:07:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_del_one [2019-10-13 22:07:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2019-10-13 22:07:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2019-10-13 22:07:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2019-10-13 22:07:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:07:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-13 22:07:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-13 22:07:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-13 22:07:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-13 22:07:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-13 22:07:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-13 22:07:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:07:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_1 [2019-10-13 22:07:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-10-13 22:07:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2019-10-13 22:07:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_4 [2019-10-13 22:07:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-10-13 22:07:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-13 22:07:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-13 22:07:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 22:07:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:07:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:07:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-13 22:07:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:07:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:07:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __splice_from_pipe [2019-10-13 22:07:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 22:07:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-13 22:07:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 22:07:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 22:07:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 22:07:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 22:07:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-13 22:07:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-13 22:07:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-13 22:07:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2019-10-13 22:07:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2019-10-13 22:07:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure d_path [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure file_update_time [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 22:07:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-10-13 22:07:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_begin [2019-10-13 22:07:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_write_end [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2019-10-13 22:07:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure splice_direct_to_actor [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 22:07:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-13 22:07:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 22:07:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-13 22:07:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:07:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:07:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:07:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:07:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-13 22:07:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:07:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:07:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 22:07:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 22:07:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:07:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:07:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_1 [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_4 [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-10-13 22:07:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 22:07:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2019-10-13 22:07:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-13 22:07:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 22:07:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 22:07:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-13 22:07:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2019-10-13 22:07:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2019-10-13 22:07:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure d_path [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_begin [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_write_end [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2019-10-13 22:07:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure file_update_time [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2019-10-13 22:07:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-13 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-13 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2019-10-13 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-13 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-13 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-13 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2019-10-13 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-13 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2019-10-13 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2019-10-13 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2019-10-13 22:07:31,766 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:07:31,767 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2019-10-13 22:07:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure __splice_from_pipe [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure splice_direct_to_actor [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:07:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~sector_t~0~TO~int [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_aops [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-10-13 22:07:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_direct_write [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_send_write [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure lo_send [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure lo_splice_actor [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure lo_direct_splice_actor [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure do_lo_receive [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure lo_receive [2019-10-13 22:07:31,771 INFO L130 BoogieDeclarations]: Found specification of procedure do_bio_filebacked [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add_bio [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_bio [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_bio [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_thread [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2019-10-13 22:07:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2019-10-13 22:07:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2019-10-13 22:07:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2019-10-13 22:07:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 22:07:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2019-10-13 22:07:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2019-10-13 22:07:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2019-10-13 22:07:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2019-10-13 22:07:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2019-10-13 22:07:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2019-10-13 22:07:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2019-10-13 22:07:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_one [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure loop_del_one [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:07:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 22:07:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:07:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:07:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:07:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-13 22:07:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-10-13 22:07:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:07:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:07:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:07:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:07:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:07:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:07:33,850 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 22:07:33,850 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 22:07:34,783 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:07:34,863 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-10-13 22:07:34,863 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-10-13 22:07:36,830 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:07:36,871 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-10-13 22:07:36,871 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-10-13 22:07:37,005 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 22:07:37,071 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-10-13 22:07:37,071 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-10-13 22:07:37,193 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 22:07:37,193 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 22:07:37,195 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-13 22:07:41,466 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:07:41,467 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 22:07:41,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:41 BoogieIcfgContainer [2019-10-13 22:07:41,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:07:41,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:07:41,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:07:41,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:07:41,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:07:28" (1/3) ... [2019-10-13 22:07:41,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2933c788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:41, skipping insertion in model container [2019-10-13 22:07:41,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:07:31" (2/3) ... [2019-10-13 22:07:41,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2933c788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:07:41, skipping insertion in model container [2019-10-13 22:07:41,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:07:41" (3/3) ... [2019-10-13 22:07:41,477 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2019-10-13 22:07:41,486 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:07:41,496 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:07:41,507 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:07:41,540 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:07:41,540 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:07:41,540 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:07:41,540 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:07:41,540 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:07:41,540 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:07:41,540 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:07:41,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:07:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states. [2019-10-13 22:07:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-13 22:07:41,589 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:41,590 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:41,593 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:41,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:41,598 INFO L82 PathProgramCache]: Analyzing trace with hash -600536735, now seen corresponding path program 1 times [2019-10-13 22:07:41,607 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:41,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773614684] [2019-10-13 22:07:41,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:41,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:41,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:42,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773614684] [2019-10-13 22:07:42,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:42,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:07:42,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19734284] [2019-10-13 22:07:42,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:07:42,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:42,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:07:42,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:42,204 INFO L87 Difference]: Start difference. First operand 1335 states. Second operand 3 states. [2019-10-13 22:07:42,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:42,545 INFO L93 Difference]: Finished difference Result 3517 states and 4586 transitions. [2019-10-13 22:07:42,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:07:42,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-13 22:07:42,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:42,593 INFO L225 Difference]: With dead ends: 3517 [2019-10-13 22:07:42,593 INFO L226 Difference]: Without dead ends: 2312 [2019-10-13 22:07:42,606 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:07:42,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2019-10-13 22:07:42,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2299. [2019-10-13 22:07:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2019-10-13 22:07:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 2961 transitions. [2019-10-13 22:07:42,905 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 2961 transitions. Word has length 20 [2019-10-13 22:07:42,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:42,906 INFO L462 AbstractCegarLoop]: Abstraction has 2299 states and 2961 transitions. [2019-10-13 22:07:42,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:07:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2961 transitions. [2019-10-13 22:07:42,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 22:07:42,921 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:42,921 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:42,921 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:42,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:42,922 INFO L82 PathProgramCache]: Analyzing trace with hash -187657691, now seen corresponding path program 1 times [2019-10-13 22:07:42,922 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:42,922 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829370937] [2019-10-13 22:07:42,922 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:42,923 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:42,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:43,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829370937] [2019-10-13 22:07:43,116 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:43,116 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:07:43,116 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531915721] [2019-10-13 22:07:43,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:07:43,118 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:43,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:07:43,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:07:43,119 INFO L87 Difference]: Start difference. First operand 2299 states and 2961 transitions. Second operand 5 states. [2019-10-13 22:07:43,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:43,256 INFO L93 Difference]: Finished difference Result 4482 states and 5789 transitions. [2019-10-13 22:07:43,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:07:43,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-13 22:07:43,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:43,273 INFO L225 Difference]: With dead ends: 4482 [2019-10-13 22:07:43,273 INFO L226 Difference]: Without dead ends: 2299 [2019-10-13 22:07:43,283 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:07:43,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2019-10-13 22:07:43,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2299. [2019-10-13 22:07:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2299 states. [2019-10-13 22:07:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 2959 transitions. [2019-10-13 22:07:43,391 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 2959 transitions. Word has length 58 [2019-10-13 22:07:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:43,391 INFO L462 AbstractCegarLoop]: Abstraction has 2299 states and 2959 transitions. [2019-10-13 22:07:43,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:07:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2959 transitions. [2019-10-13 22:07:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 22:07:43,400 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:43,400 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:43,400 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:43,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:43,401 INFO L82 PathProgramCache]: Analyzing trace with hash 2043793623, now seen corresponding path program 1 times [2019-10-13 22:07:43,401 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:43,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298165524] [2019-10-13 22:07:43,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:43,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:43,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:43,791 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298165524] [2019-10-13 22:07:43,791 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:43,791 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:07:43,792 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832257634] [2019-10-13 22:07:43,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:07:43,792 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:43,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:07:43,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:07:43,793 INFO L87 Difference]: Start difference. First operand 2299 states and 2959 transitions. Second operand 5 states. [2019-10-13 22:07:43,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:43,920 INFO L93 Difference]: Finished difference Result 4482 states and 5787 transitions. [2019-10-13 22:07:43,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:07:43,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-13 22:07:43,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:43,937 INFO L225 Difference]: With dead ends: 4482 [2019-10-13 22:07:43,938 INFO L226 Difference]: Without dead ends: 2279 [2019-10-13 22:07:43,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:07:43,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2019-10-13 22:07:44,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2279. [2019-10-13 22:07:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2279 states. [2019-10-13 22:07:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 2279 states and 2934 transitions. [2019-10-13 22:07:44,060 INFO L78 Accepts]: Start accepts. Automaton has 2279 states and 2934 transitions. Word has length 64 [2019-10-13 22:07:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:44,060 INFO L462 AbstractCegarLoop]: Abstraction has 2279 states and 2934 transitions. [2019-10-13 22:07:44,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:07:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 2934 transitions. [2019-10-13 22:07:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 22:07:44,064 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:44,064 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:44,065 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:44,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:44,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1850367473, now seen corresponding path program 1 times [2019-10-13 22:07:44,065 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:44,066 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464242446] [2019-10-13 22:07:44,066 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:44,066 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:44,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:07:44,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464242446] [2019-10-13 22:07:44,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:44,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:07:44,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004186879] [2019-10-13 22:07:44,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:07:44,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:44,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:07:44,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:07:44,366 INFO L87 Difference]: Start difference. First operand 2279 states and 2934 transitions. Second operand 6 states. [2019-10-13 22:07:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:46,702 INFO L93 Difference]: Finished difference Result 4477 states and 5781 transitions. [2019-10-13 22:07:46,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:07:46,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-10-13 22:07:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:46,716 INFO L225 Difference]: With dead ends: 4477 [2019-10-13 22:07:46,716 INFO L226 Difference]: Without dead ends: 2285 [2019-10-13 22:07:46,732 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:07:46,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2019-10-13 22:07:46,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2280. [2019-10-13 22:07:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2280 states. [2019-10-13 22:07:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 2935 transitions. [2019-10-13 22:07:46,833 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 2935 transitions. Word has length 70 [2019-10-13 22:07:46,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:46,835 INFO L462 AbstractCegarLoop]: Abstraction has 2280 states and 2935 transitions. [2019-10-13 22:07:46,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:07:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2935 transitions. [2019-10-13 22:07:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 22:07:46,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:46,840 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:46,840 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:46,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:46,841 INFO L82 PathProgramCache]: Analyzing trace with hash 260150211, now seen corresponding path program 1 times [2019-10-13 22:07:46,841 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:46,841 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489969008] [2019-10-13 22:07:46,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:46,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:46,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 22:07:47,099 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489969008] [2019-10-13 22:07:47,099 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:07:47,099 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:07:47,099 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154889173] [2019-10-13 22:07:47,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:07:47,101 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:07:47,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:07:47,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:07:47,102 INFO L87 Difference]: Start difference. First operand 2280 states and 2935 transitions. Second operand 5 states. [2019-10-13 22:07:47,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:07:47,233 INFO L93 Difference]: Finished difference Result 4541 states and 5850 transitions. [2019-10-13 22:07:47,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:07:47,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-10-13 22:07:47,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:07:47,247 INFO L225 Difference]: With dead ends: 4541 [2019-10-13 22:07:47,248 INFO L226 Difference]: Without dead ends: 2272 [2019-10-13 22:07:47,257 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:07:47,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-10-13 22:07:47,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-10-13 22:07:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-10-13 22:07:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2924 transitions. [2019-10-13 22:07:47,352 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2924 transitions. Word has length 103 [2019-10-13 22:07:47,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:07:47,353 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2924 transitions. [2019-10-13 22:07:47,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:07:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2924 transitions. [2019-10-13 22:07:47,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 22:07:47,362 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:07:47,362 INFO L380 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:07:47,363 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:07:47,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:07:47,363 INFO L82 PathProgramCache]: Analyzing trace with hash -760424580, now seen corresponding path program 1 times [2019-10-13 22:07:47,363 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:07:47,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077890698] [2019-10-13 22:07:47,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:47,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:07:47,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:07:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:07:47,909 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077890698] [2019-10-13 22:07:47,909 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303258372] [2019-10-13 22:07:47,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:07:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:07:48,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 1836 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 22:07:48,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:07:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 22:07:48,862 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:07:49,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:07:49,274 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:07:49,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:07:49,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 22:07:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:07:49,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [449914611] [2019-10-13 22:07:49,433 INFO L162 IcfgInterpreter]: Started Sifa with 129 locations of interest [2019-10-13 22:07:49,433 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:07:49,440 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:07:49,448 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:07:49,449 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs