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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 10:50:00,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 10:50:00,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 10:50:00,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 10:50:00,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 10:50:00,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 10:50:00,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 10:50:00,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 10:50:00,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 10:50:00,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 10:50:00,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 10:50:00,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 10:50:00,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 10:50:00,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 10:50:00,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 10:50:00,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 10:50:00,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 10:50:00,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 10:50:00,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 10:50:00,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 10:50:00,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 10:50:00,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 10:50:00,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 10:50:00,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 10:50:00,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 10:50:00,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 10:50:00,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 10:50:00,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 10:50:00,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 10:50:00,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 10:50:00,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 10:50:00,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 10:50:00,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 10:50:00,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 10:50:00,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 10:50:00,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 10:50:00,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 10:50:00,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 10:50:00,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 10:50:00,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 10:50:00,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 10:50:00,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 10:50:00,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 10:50:00,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 10:50:00,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 10:50:00,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 10:50:00,578 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 10:50:00,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 10:50:00,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 10:50:00,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 10:50:00,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 10:50:00,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 10:50:00,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 10:50:00,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 10:50:00,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 10:50:00,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 10:50:00,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 10:50:00,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 10:50:00,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 10:50:00,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 10:50:00,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 10:50:00,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 10:50:00,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 10:50:00,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 10:50:00,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 10:50:00,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 10:50:00,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 10:50:00,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 10:50:00,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 10:50:00,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 10:50:00,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 10:50:00,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 10:50:00,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 10:50:00,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 10:50:00,905 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 10:50:00,905 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 10:50:00,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2019-10-07 10:50:00,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7785add3c/509fc4e8ae9e44f8bb4bd0b641257205/FLAG372964803 [2019-10-07 10:50:01,935 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 10:50:01,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2019-10-07 10:50:01,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7785add3c/509fc4e8ae9e44f8bb4bd0b641257205/FLAG372964803 [2019-10-07 10:50:02,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7785add3c/509fc4e8ae9e44f8bb4bd0b641257205 [2019-10-07 10:50:02,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 10:50:02,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 10:50:02,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 10:50:02,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 10:50:02,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 10:50:02,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:50:02" (1/1) ... [2019-10-07 10:50:02,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2661cba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:02, skipping insertion in model container [2019-10-07 10:50:02,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:50:02" (1/1) ... [2019-10-07 10:50:02,381 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 10:50:02,536 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 10:50:05,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:50:05,655 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 10:50:06,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:50:06,808 INFO L192 MainTranslator]: Completed translation [2019-10-07 10:50:06,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06 WrapperNode [2019-10-07 10:50:06,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 10:50:06,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 10:50:06,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 10:50:06,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 10:50:06,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... [2019-10-07 10:50:06,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... [2019-10-07 10:50:06,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... [2019-10-07 10:50:06,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... [2019-10-07 10:50:07,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... [2019-10-07 10:50:07,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... [2019-10-07 10:50:07,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... [2019-10-07 10:50:07,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 10:50:07,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 10:50:07,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 10:50:07,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 10:50:07,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 10:50:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 10:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 10:50:07,410 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 [2019-10-07 10:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~loff_t~0~X~~loff_t~0~TO~int [2019-10-07 10:50:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:50:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-07 10:50:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-07 10:50:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2019-10-07 10:50:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-10-07 10:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 10:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 10:50:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 10:50:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 10:50:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2019-10-07 10:50:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2019-10-07 10:50:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 10:50:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 10:50:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 10:50:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-07 10:50:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 10:50:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2019-10-07 10:50:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-07 10:50:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-07 10:50:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 10:50:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 10:50:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 10:50:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2019-10-07 10:50:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2019-10-07 10:50:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-07 10:50:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-07 10:50:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2019-10-07 10:50:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 10:50:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 10:50:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 10:50:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 10:50:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 10:50:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 10:50:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 10:50:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 10:50:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 10:50:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 10:50:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 10:50:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 10:50:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2019-10-07 10:50:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2019-10-07 10:50:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2019-10-07 10:50:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-07 10:50:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure file_start_write [2019-10-07 10:50:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure file_end_write [2019-10-07 10:50:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-07 10:50:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-07 10:50:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-07 10:50:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 10:50:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 10:50:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disabled_inc [2019-10-07 10:50:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disabled_dec [2019-10-07 10:50:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2019-10-07 10:50:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2019-10-07 10:50:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2019-10-07 10:50:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-10-07 10:50:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2019-10-07 10:50:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2019-10-07 10:50:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bvec_iter_advance [2019-10-07 10:50:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2019-10-07 10:50:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2019-10-07 10:50:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_clear_unlocked [2019-10-07 10:50:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-10-07 10:50:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2019-10-07 10:50:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-07 10:50:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2019-10-07 10:50:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2019-10-07 10:50:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2019-10-07 10:50:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_size [2019-10-07 10:50:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2019-10-07 10:50:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2019-10-07 10:50:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2019-10-07 10:50:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_bvec [2019-10-07 10:50:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_simple [2019-10-07 10:50:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_transfer [2019-10-07 10:50:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_read_simple [2019-10-07 10:50:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_read_transfer [2019-10-07 10:50:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_discard [2019-10-07 10:50:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_req_flush [2019-10-07 10:50:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req_filebacked [2019-10-07 10:50:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure do_loop_switch [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_flush [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_reread_partitions [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_change_fd [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure is_loop_device [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_backing_file_show [2019-10-07 10:50:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_offset_show [2019-10-07 10:50:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_sizelimit_show [2019-10-07 10:50:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_autoclear_show [2019-10-07 10:50:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_partscan_show [2019-10-07 10:50:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_backing_file [2019-10-07 10:50:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_offset [2019-10-07 10:50:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_sizelimit [2019-10-07 10:50:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_autoclear [2019-10-07 10:50:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_do_show_partscan [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_init [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_config_discard [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_fd [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_xfer [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2019-10-07 10:50:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2019-10-07 10:50:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_old [2019-10-07 10:50:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_old [2019-10-07 10:50:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2019-10-07 10:50:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2019-10-07 10:50:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_old [2019-10-07 10:50:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status64 [2019-10-07 10:50:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2019-10-07 10:50:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2019-10-07 10:50:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_from_compat [2019-10-07 10:50:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_info64_to_compat [2019-10-07 10:50:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_compat [2019-10-07 10:50:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status_compat [2019-10-07 10:50:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2019-10-07 10:50:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_open [2019-10-07 10:50:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_release [2019-10-07 10:50:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_register_transfer [2019-10-07 10:50:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_transfer_cb [2019-10-07 10:50:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_unregister_transfer [2019-10-07 10:50:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_rq [2019-10-07 10:50:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_cmd [2019-10-07 10:50:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_write_work [2019-10-07 10:50:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_read_work [2019-10-07 10:50:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init_request [2019-10-07 10:50:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add [2019-10-07 10:50:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_remove [2019-10-07 10:50:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure find_free_cb [2019-10-07 10:50:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_lookup [2019-10-07 10:50:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_probe [2019-10-07 10:50:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_control_ioctl [2019-10-07 10:50:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_init [2019-10-07 10:50:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit_cb [2019-10-07 10:50:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_exit [2019-10-07 10:50:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_loop_func_table_11 [2019-10-07 10:50:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-07 10:50:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-10-07 10:50:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-10-07 10:50:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-10-07 10:50:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-10-07 10:50:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-10-07 10:50:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-10-07 10:50:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-10-07 10:50:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-10-07 10:50:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-10-07 10:50:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_5 [2019-10-07 10:50:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-10-07 10:50:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-10-07 10:50:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-10-07 10:50:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 10:50:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 10:50:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2019-10-07 10:50:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-10-07 10:50:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-10-07 10:50:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-10-07 10:50:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-10-07 10:50:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-10-07 10:50:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_10 [2019-10-07 10:50:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-07 10:50:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_12 [2019-10-07 10:50:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_13 [2019-10-07 10:50:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_14 [2019-10-07 10:50:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-07 10:50:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_16 [2019-10-07 10:50:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_17 [2019-10-07 10:50:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_18 [2019-10-07 10:50:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_19 [2019-10-07 10:50:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_20 [2019-10-07 10:50:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 10:50:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 10:50:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 10:50:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 10:50:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 10:50:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 10:50:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 10:50:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 10:50:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 10:50:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 10:50:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 10:50:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2019-10-07 10:50:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2019-10-07 10:50:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-10-07 10:50:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __blkdev_reread_part [2019-10-07 10:50:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 10:50:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 10:50:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-10-07 10:50:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-07 10:50:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 10:50:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 10:50:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-07 10:50:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 10:50:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 10:50:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __sb_end_write [2019-10-07 10:50:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __sb_start_write [2019-10-07 10:50:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-07 10:50:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 10:50:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 10:50:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 10:50:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 10:50:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bdgrab [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2019-10-07 10:50:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_map_queue [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_request [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2019-10-07 10:50:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_register_region [2019-10-07 10:50:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_unregister_region [2019-10-07 10:50:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_reread_part [2019-10-07 10:50:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 10:50:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 10:50:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-07 10:50:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-10-07 10:50:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure file_path [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure get_disk [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2019-10-07 10:50:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_for_each [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_bvec [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_11 [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-10-07 10:50:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_11 [2019-10-07 10:50:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 10:50:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-07 10:50:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-07 10:50:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 10:50:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 10:50:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-07 10:50:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 10:50:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-07 10:50:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-10-07 10:50:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-07 10:50:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-07 10:50:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2019-10-07 10:50:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_ro [2019-10-07 10:50:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-07 10:50:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-07 10:50:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-07 10:50:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2019-10-07 10:50:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_getattr [2019-10-07 10:50:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_iter_read [2019-10-07 10:50:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_iter_write [2019-10-07 10:50:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-07 10:50:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 10:50:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2019-10-07 10:50:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 10:50:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 10:50:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 10:50:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 10:50:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 10:50:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-07 10:50:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 10:50:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 10:50:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-07 10:50:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 10:50:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 10:50:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 10:50:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-07 10:50:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2019-10-07 10:50:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-10-07 10:50:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 10:50:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2019-10-07 10:50:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-07 10:50:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 10:50:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 10:50:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 10:50:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 10:50:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 10:50:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 10:50:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 10:50:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 10:50:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 10:50:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 10:50:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 10:50:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2019-10-07 10:50:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-07 10:50:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 10:50:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 10:50:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2019-10-07 10:50:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 10:50:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 10:50:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 10:50:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-07 10:50:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 10:50:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 10:50:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 10:50:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 10:50:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 10:50:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-07 10:50:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-10-07 10:50:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-10-07 10:50:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_16 [2019-10-07 10:50:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-07 10:50:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-10-07 10:50:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-10-07 10:50:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-10-07 10:50:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-10-07 10:50:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-10-07 10:50:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-10-07 10:50:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-10-07 10:50:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-07 10:50:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-10-07 10:50:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-07 10:50:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-10-07 10:50:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2019-10-07 10:50:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2019-10-07 10:50:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure idr_for_each [2019-10-07 10:50:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-07 10:50:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2019-10-07 10:50:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2019-10-07 10:50:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-07 10:50:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-07 10:50:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2019-10-07 10:50:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_10 [2019-10-07 10:50:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_13 [2019-10-07 10:50:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-07 10:50:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_12 [2019-10-07 10:50:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_14 [2019-10-07 10:50:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-07 10:50:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 10:50:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 10:50:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 10:50:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 10:50:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 10:50:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 10:50:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 10:50:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 10:50:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 10:50:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 10:50:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 10:50:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 10:50:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 10:50:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 10:50:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 10:50:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 10:50:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 10:50:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 10:50:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 10:50:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_loop_func_table_11 [2019-10-07 10:50:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-07 10:50:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-10-07 10:50:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-10-07 10:50:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-10-07 10:50:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-10-07 10:50:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-10-07 10:50:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-10-07 10:50:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-10-07 10:50:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-10-07 10:50:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-10-07 10:50:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_5 [2019-10-07 10:50:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-10-07 10:50:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-10-07 10:50:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-10-07 10:50:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2019-10-07 10:50:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2019-10-07 10:50:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2019-10-07 10:50:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure __sb_end_write [2019-10-07 10:50:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure __sb_start_write [2019-10-07 10:50:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-07 10:50:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-07 10:50:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-07 10:50:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure bdgrab [2019-10-07 10:50:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2019-10-07 10:50:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2019-10-07 10:50:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2019-10-07 10:50:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __blkdev_reread_part [2019-10-07 10:50:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_reread_part [2019-10-07 10:50:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2019-10-07 10:50:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure file_start_write [2019-10-07 10:50:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure file_end_write [2019-10-07 10:50:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure file_path [2019-10-07 10:50:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2019-10-07 10:50:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_iter_read [2019-10-07 10:50:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_iter_write [2019-10-07 10:50:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-07 10:50:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-07 10:50:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_20 [2019-10-07 10:50:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_getattr [2019-10-07 10:50:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2019-10-07 10:50:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_ro [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-07 10:50:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure blk_register_region [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure blk_unregister_region [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 10:50:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 10:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 10:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 10:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disabled_inc [2019-10-07 10:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disabled_dec [2019-10-07 10:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2019-10-07 10:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2019-10-07 10:50:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2019-10-07 10:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-10-07 10:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2019-10-07 10:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2019-10-07 10:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure bvec_iter_advance [2019-10-07 10:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2019-10-07 10:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2019-10-07 10:50:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2019-10-07 10:50:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_clear_unlocked [2019-10-07 10:50:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-10-07 10:50:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2019-10-07 10:50:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-07 10:50:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2019-10-07 10:50:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_bvec [2019-10-07 10:50:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-07 10:50:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-07 10:50:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_17 [2019-10-07 10:50:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-07 10:50:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_18 [2019-10-07 10:50:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_19 [2019-10-07 10:50:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2019-10-07 10:50:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2019-10-07 10:50:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2019-10-07 10:50:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_map_queue [2019-10-07 10:50:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_request [2019-10-07 10:50:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2019-10-07 10:50:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue [2019-10-07 10:50:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2019-10-07 10:50:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure loop_register_transfer [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure loop_unregister_transfer [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure get_size [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2019-10-07 10:50:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2019-10-07 10:50:07,564 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 [2019-10-07 10:50:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_bvec [2019-10-07 10:50:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_simple [2019-10-07 10:50:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_transfer [2019-10-07 10:50:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure lo_read_simple [2019-10-07 10:50:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure lo_read_transfer [2019-10-07 10:50:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure lo_discard [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~loff_t~0~X~~loff_t~0~TO~int [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure lo_req_flush [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure do_req_filebacked [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure do_loop_switch [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure loop_flush [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure loop_reread_partitions [2019-10-07 10:50:07,565 INFO L130 BoogieDeclarations]: Found specification of procedure loop_change_fd [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure is_loop_device [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_backing_file_show [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_offset_show [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_sizelimit_show [2019-10-07 10:50:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_autoclear_show [2019-10-07 10:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_partscan_show [2019-10-07 10:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_backing_file [2019-10-07 10:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_offset [2019-10-07 10:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_sizelimit [2019-10-07 10:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_autoclear [2019-10-07 10:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_do_show_partscan [2019-10-07 10:50:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_init [2019-10-07 10:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2019-10-07 10:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure loop_config_discard [2019-10-07 10:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_fd [2019-10-07 10:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2019-10-07 10:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_xfer [2019-10-07 10:50:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_old [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_old [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_old [2019-10-07 10:50:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status64 [2019-10-07 10:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2019-10-07 10:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2019-10-07 10:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-07 10:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_from_compat [2019-10-07 10:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure loop_info64_to_compat [2019-10-07 10:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_compat [2019-10-07 10:50:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status_compat [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure lo_open [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure lo_release [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_transfer_cb [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_rq [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_cmd [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_write_work [2019-10-07 10:50:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_read_work [2019-10-07 10:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init_request [2019-10-07 10:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add [2019-10-07 10:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure loop_remove [2019-10-07 10:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure find_free_cb [2019-10-07 10:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure loop_lookup [2019-10-07 10:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure loop_probe [2019-10-07 10:50:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure loop_control_ioctl [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure loop_init [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit_cb [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure loop_exit [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_11 [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_11 [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 10:50:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-10-07 10:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 10:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 10:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 10:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 10:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 10:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 10:50:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 10:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 10:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 10:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 10:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 10:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 10:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 10:50:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 10:50:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 10:50:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 10:50:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 10:50:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 10:50:09,653 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 10:50:19,541 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 10:50:28,167 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 10:50:28,168 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 10:50:28,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:50:28 BoogieIcfgContainer [2019-10-07 10:50:28,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 10:50:28,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 10:50:28,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 10:50:28,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 10:50:28,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 10:50:02" (1/3) ... [2019-10-07 10:50:28,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7851ca30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:50:28, skipping insertion in model container [2019-10-07 10:50:28,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:50:06" (2/3) ... [2019-10-07 10:50:28,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7851ca30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:50:28, skipping insertion in model container [2019-10-07 10:50:28,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:50:28" (3/3) ... [2019-10-07 10:50:28,187 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2019-10-07 10:50:28,199 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 10:50:28,222 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 10:50:28,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 10:50:28,295 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 10:50:28,295 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 10:50:28,295 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 10:50:28,295 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 10:50:28,295 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 10:50:28,295 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 10:50:28,296 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 10:50:28,296 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 10:50:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states. [2019-10-07 10:50:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2019-10-07 10:50:28,423 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:28,426 INFO L385 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:28,429 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:28,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:28,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1507736921, now seen corresponding path program 1 times [2019-10-07 10:50:28,447 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:28,447 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:28,448 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:28,448 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3427 trivial. 0 not checked. [2019-10-07 10:50:30,189 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:30,190 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:30,190 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:50:30,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:50:30,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:50:30,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:50:30,216 INFO L87 Difference]: Start difference. First operand 1922 states. Second operand 3 states. [2019-10-07 10:50:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:30,991 INFO L93 Difference]: Finished difference Result 5244 states and 6908 transitions. [2019-10-07 10:50:30,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:50:30,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 458 [2019-10-07 10:50:30,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:31,058 INFO L225 Difference]: With dead ends: 5244 [2019-10-07 10:50:31,058 INFO L226 Difference]: Without dead ends: 3468 [2019-10-07 10:50:31,076 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:50:31,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3468 states. [2019-10-07 10:50:31,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3468 to 3465. [2019-10-07 10:50:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3465 states. [2019-10-07 10:50:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4476 transitions. [2019-10-07 10:50:31,443 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4476 transitions. Word has length 458 [2019-10-07 10:50:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:31,447 INFO L462 AbstractCegarLoop]: Abstraction has 3465 states and 4476 transitions. [2019-10-07 10:50:31,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:50:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4476 transitions. [2019-10-07 10:50:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2019-10-07 10:50:31,466 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:31,467 INFO L385 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:31,467 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:31,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:31,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1272538377, now seen corresponding path program 1 times [2019-10-07 10:50:31,470 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:31,470 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:31,471 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:31,471 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3427 trivial. 0 not checked. [2019-10-07 10:50:33,273 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:33,273 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:33,273 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:50:33,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:50:33,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:50:33,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:50:33,279 INFO L87 Difference]: Start difference. First operand 3465 states and 4476 transitions. Second operand 3 states. [2019-10-07 10:50:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:33,633 INFO L93 Difference]: Finished difference Result 8721 states and 11210 transitions. [2019-10-07 10:50:33,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:50:33,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2019-10-07 10:50:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:33,686 INFO L225 Difference]: With dead ends: 8721 [2019-10-07 10:50:33,686 INFO L226 Difference]: Without dead ends: 5370 [2019-10-07 10:50:33,707 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:50:33,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5370 states. [2019-10-07 10:50:33,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5370 to 5364. [2019-10-07 10:50:33,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5364 states. [2019-10-07 10:50:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5364 states to 5364 states and 6888 transitions. [2019-10-07 10:50:34,017 INFO L78 Accepts]: Start accepts. Automaton has 5364 states and 6888 transitions. Word has length 467 [2019-10-07 10:50:34,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:34,023 INFO L462 AbstractCegarLoop]: Abstraction has 5364 states and 6888 transitions. [2019-10-07 10:50:34,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:50:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5364 states and 6888 transitions. [2019-10-07 10:50:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2019-10-07 10:50:34,037 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:34,038 INFO L385 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:34,038 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:34,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1213110459, now seen corresponding path program 1 times [2019-10-07 10:50:34,039 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:34,039 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:34,039 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:34,039 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:35,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3721 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3721 trivial. 0 not checked. [2019-10-07 10:50:35,132 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:35,132 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:35,133 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:50:35,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:50:35,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:50:35,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:50:35,137 INFO L87 Difference]: Start difference. First operand 5364 states and 6888 transitions. Second operand 3 states. [2019-10-07 10:50:35,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:35,504 INFO L93 Difference]: Finished difference Result 15707 states and 20235 transitions. [2019-10-07 10:50:35,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:50:35,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 469 [2019-10-07 10:50:35,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:35,603 INFO L225 Difference]: With dead ends: 15707 [2019-10-07 10:50:35,603 INFO L226 Difference]: Without dead ends: 10419 [2019-10-07 10:50:35,639 INFO L606 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 [2019-10-07 10:50:35,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10419 states. [2019-10-07 10:50:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10419 to 10395. [2019-10-07 10:50:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10395 states. [2019-10-07 10:50:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10395 states to 10395 states and 13382 transitions. [2019-10-07 10:50:36,269 INFO L78 Accepts]: Start accepts. Automaton has 10395 states and 13382 transitions. Word has length 469 [2019-10-07 10:50:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:36,272 INFO L462 AbstractCegarLoop]: Abstraction has 10395 states and 13382 transitions. [2019-10-07 10:50:36,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:50:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 10395 states and 13382 transitions. [2019-10-07 10:50:36,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2019-10-07 10:50:36,303 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:36,304 INFO L385 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:36,305 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:36,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:36,305 INFO L82 PathProgramCache]: Analyzing trace with hash 829222870, now seen corresponding path program 1 times [2019-10-07 10:50:36,306 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:36,306 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:36,306 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:36,306 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:36,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4039 trivial. 0 not checked. [2019-10-07 10:50:37,495 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:37,495 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:37,496 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 10:50:37,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 10:50:37,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 10:50:37,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 10:50:37,499 INFO L87 Difference]: Start difference. First operand 10395 states and 13382 transitions. Second operand 5 states. [2019-10-07 10:50:38,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:38,902 INFO L93 Difference]: Finished difference Result 20688 states and 26617 transitions. [2019-10-07 10:50:38,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:50:38,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 541 [2019-10-07 10:50:38,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:38,989 INFO L225 Difference]: With dead ends: 20688 [2019-10-07 10:50:38,989 INFO L226 Difference]: Without dead ends: 10408 [2019-10-07 10:50:39,037 INFO L606 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 [2019-10-07 10:50:39,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10408 states. [2019-10-07 10:50:39,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10408 to 10401. [2019-10-07 10:50:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10401 states. [2019-10-07 10:50:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10401 states to 10401 states and 13386 transitions. [2019-10-07 10:50:39,517 INFO L78 Accepts]: Start accepts. Automaton has 10401 states and 13386 transitions. Word has length 541 [2019-10-07 10:50:39,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:39,518 INFO L462 AbstractCegarLoop]: Abstraction has 10401 states and 13386 transitions. [2019-10-07 10:50:39,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 10:50:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 10401 states and 13386 transitions. [2019-10-07 10:50:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2019-10-07 10:50:39,551 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:39,552 INFO L385 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:39,552 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:39,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:39,553 INFO L82 PathProgramCache]: Analyzing trace with hash -810250381, now seen corresponding path program 1 times [2019-10-07 10:50:39,553 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:39,553 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:39,554 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:39,554 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4039 trivial. 0 not checked. [2019-10-07 10:50:40,884 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:40,885 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:40,885 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:50:40,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:50:40,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:50:40,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:50:40,886 INFO L87 Difference]: Start difference. First operand 10401 states and 13386 transitions. Second operand 6 states. [2019-10-07 10:50:42,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:42,111 INFO L93 Difference]: Finished difference Result 20708 states and 26637 transitions. [2019-10-07 10:50:42,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 10:50:42,111 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 551 [2019-10-07 10:50:42,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:42,180 INFO L225 Difference]: With dead ends: 20708 [2019-10-07 10:50:42,181 INFO L226 Difference]: Without dead ends: 10418 [2019-10-07 10:50:42,235 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:50:42,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10418 states. [2019-10-07 10:50:42,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10418 to 10405. [2019-10-07 10:50:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10405 states. [2019-10-07 10:50:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10405 states to 10405 states and 13388 transitions. [2019-10-07 10:50:42,810 INFO L78 Accepts]: Start accepts. Automaton has 10405 states and 13388 transitions. Word has length 551 [2019-10-07 10:50:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:42,811 INFO L462 AbstractCegarLoop]: Abstraction has 10405 states and 13388 transitions. [2019-10-07 10:50:42,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:50:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 10405 states and 13388 transitions. [2019-10-07 10:50:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2019-10-07 10:50:42,834 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:42,835 INFO L385 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:42,835 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:42,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:42,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1475900687, now seen corresponding path program 1 times [2019-10-07 10:50:42,836 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:42,836 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:42,837 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:42,837 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:42,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:44,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4039 trivial. 0 not checked. [2019-10-07 10:50:44,357 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:44,357 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:44,357 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:50:44,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:50:44,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:50:44,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:50:44,359 INFO L87 Difference]: Start difference. First operand 10405 states and 13388 transitions. Second operand 3 states. [2019-10-07 10:50:45,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:45,754 INFO L93 Difference]: Finished difference Result 26983 states and 34751 transitions. [2019-10-07 10:50:45,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:50:45,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 558 [2019-10-07 10:50:45,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:45,850 INFO L225 Difference]: With dead ends: 26983 [2019-10-07 10:50:45,850 INFO L226 Difference]: Without dead ends: 16701 [2019-10-07 10:50:45,892 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:50:45,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16701 states. [2019-10-07 10:50:46,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16701 to 16691. [2019-10-07 10:50:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16691 states. [2019-10-07 10:50:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16691 states to 16691 states and 21495 transitions. [2019-10-07 10:50:46,605 INFO L78 Accepts]: Start accepts. Automaton has 16691 states and 21495 transitions. Word has length 558 [2019-10-07 10:50:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:46,607 INFO L462 AbstractCegarLoop]: Abstraction has 16691 states and 21495 transitions. [2019-10-07 10:50:46,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:50:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 16691 states and 21495 transitions. [2019-10-07 10:50:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2019-10-07 10:50:46,636 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:46,636 INFO L385 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:46,637 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:46,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:46,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1349467131, now seen corresponding path program 1 times [2019-10-07 10:50:46,638 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:46,639 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:46,639 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:46,639 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:46,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4039 trivial. 0 not checked. [2019-10-07 10:50:47,685 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:47,685 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:47,685 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:50:47,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:50:47,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:50:47,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:50:47,687 INFO L87 Difference]: Start difference. First operand 16691 states and 21495 transitions. Second operand 6 states. [2019-10-07 10:50:49,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:49,080 INFO L93 Difference]: Finished difference Result 33296 states and 42860 transitions. [2019-10-07 10:50:49,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 10:50:49,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 557 [2019-10-07 10:50:49,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:49,168 INFO L225 Difference]: With dead ends: 33296 [2019-10-07 10:50:49,168 INFO L226 Difference]: Without dead ends: 16692 [2019-10-07 10:50:49,220 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 10:50:49,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16692 states. [2019-10-07 10:50:49,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16692 to 16661. [2019-10-07 10:50:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16661 states. [2019-10-07 10:50:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16661 states to 16661 states and 21459 transitions. [2019-10-07 10:50:49,860 INFO L78 Accepts]: Start accepts. Automaton has 16661 states and 21459 transitions. Word has length 557 [2019-10-07 10:50:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:49,861 INFO L462 AbstractCegarLoop]: Abstraction has 16661 states and 21459 transitions. [2019-10-07 10:50:49,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:50:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 16661 states and 21459 transitions. [2019-10-07 10:50:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2019-10-07 10:50:49,883 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:49,883 INFO L385 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:49,884 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:49,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:49,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1927786777, now seen corresponding path program 1 times [2019-10-07 10:50:49,885 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:49,885 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:49,885 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:49,885 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:49,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4052 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4041 trivial. 0 not checked. [2019-10-07 10:50:51,189 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:51,190 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:50:51,191 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 10:50:51,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 10:50:51,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 10:50:51,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 10:50:51,194 INFO L87 Difference]: Start difference. First operand 16661 states and 21459 transitions. Second operand 6 states. [2019-10-07 10:50:55,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:50:55,373 INFO L93 Difference]: Finished difference Result 33229 states and 42803 transitions. [2019-10-07 10:50:55,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 10:50:55,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 561 [2019-10-07 10:50:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:50:55,448 INFO L225 Difference]: With dead ends: 33229 [2019-10-07 10:50:55,448 INFO L226 Difference]: Without dead ends: 16691 [2019-10-07 10:50:55,490 INFO L606 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 [2019-10-07 10:50:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16691 states. [2019-10-07 10:50:57,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16691 to 16667. [2019-10-07 10:50:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16667 states. [2019-10-07 10:50:57,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16667 states to 16667 states and 21462 transitions. [2019-10-07 10:50:57,061 INFO L78 Accepts]: Start accepts. Automaton has 16667 states and 21462 transitions. Word has length 561 [2019-10-07 10:50:57,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:50:57,062 INFO L462 AbstractCegarLoop]: Abstraction has 16667 states and 21462 transitions. [2019-10-07 10:50:57,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 10:50:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 16667 states and 21462 transitions. [2019-10-07 10:50:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2019-10-07 10:50:57,083 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:50:57,083 INFO L385 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 23, 23, 23, 23, 23, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 10:50:57,084 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:50:57,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:50:57,084 INFO L82 PathProgramCache]: Analyzing trace with hash -414821731, now seen corresponding path program 1 times [2019-10-07 10:50:57,085 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:50:57,085 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:57,085 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:57,085 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:50:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:50:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:50:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4053 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 4041 trivial. 0 not checked. [2019-10-07 10:50:58,691 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:50:58,692 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 10:50:58,692 INFO L95 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 [2019-10-07 10:51:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:51:00,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 6252 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-07 10:51:00,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 10:51:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4053 backedges. 325 proven. 1 refuted. 0 times theorem prover too weak. 3727 trivial. 0 not checked. [2019-10-07 10:51:01,081 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 10:51:01,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:51:01,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:51:01,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:51:01,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:51:01,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:51:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4053 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 4041 trivial. 0 not checked. [2019-10-07 10:51:02,421 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 10:51:02,460 INFO L162 IcfgInterpreter]: Started Sifa with 256 locations of interest [2019-10-07 10:51:02,461 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 10:51:02,469 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 10:51:02,477 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 10:51:02,478 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 10:52:07,108 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string213.base| |#t~string231.base|) [2019-10-07 10:53:11,753 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string223.base| |#t~string232.base|) [2019-10-07 10:54:12,668 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string231.base| |#t~string232.base|) [2019-10-07 10:54:19,816 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#none_funcs~0.base| |#t~string231.base|) [2019-10-07 10:56:12,772 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |v_#memory_$Pointer$.base_1633| |~#loop_index_idr~0.base|) (+ |~#loop_index_idr~0.offset| 44)) (select (select |v_#memory_$Pointer$.base_1633| |~#loop_index_mutex~0.base|) (+ |~#loop_index_mutex~0.offset| 32))) [2019-10-07 10:56:17,079 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |v_#memory_$Pointer$.base_1633| |~#loop_index_idr~0.base|) (+ |~#loop_index_idr~0.offset| 44)) |~#none_funcs~0.base|) [2019-10-07 10:56:56,962 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |v_#memory_$Pointer$.base_1633| |~#loop_index_idr~0.base|) (+ |~#loop_index_idr~0.offset| 44)) |#t~string970.base|) [2019-10-07 10:57:12,350 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#loop_index_idr~0.base| |~#loop_index_mutex~0.base|) [2019-10-07 10:57:18,699 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#xfer_funcs~0.base| |~#loop_index_idr~0.base|) [2019-10-07 10:57:27,095 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string327.base| |~#loop_index_idr~0.base|) [2019-10-07 10:57:43,464 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#loop_index_idr~0.base| (select (select |#memory_$Pointer$.base| |~#loop_attr_offset~0.base|) |~#loop_attr_offset~0.offset|)) [2019-10-07 10:57:51,152 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_$Pointer$.base| |~#loop_attr_partscan~0.base|) |~#loop_attr_partscan~0.offset|) |~#loop_index_idr~0.base|) [2019-10-07 10:57:55,445 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_$Pointer$.base| |~#loop_attribute_group~0.base|) |~#loop_attribute_group~0.offset|) |~#loop_index_idr~0.base|) [2019-10-07 10:58:12,735 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#loop_misc~0.base| |~#loop_index_idr~0.base|) [2019-10-07 10:59:07,166 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |v_#memory_$Pointer$.base_1633| |~#loop_index_mutex~0.base|) (+ |~#loop_index_mutex~0.offset| 32)) |#t~string986.base|) [2019-10-07 10:59:26,378 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#loop_index_mutex~0.base| |#t~string318.base|) [2019-10-07 10:59:51,745 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#loop_index_mutex~0.base| (select (select |#memory_$Pointer$.base| |~#loop_attribute_group~0.base|) (+ |~#loop_attribute_group~0.offset| 8))) [2019-10-07 10:59:59,692 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#loop_index_mutex~0.base| |#t~string982.base|) [2019-10-07 11:00:21,513 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string339.base| |#t~string275.base|) [2019-10-07 11:00:30,326 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string590.base| |#t~string275.base|) [2019-10-07 11:00:36,495 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string275.base| (select (select |#memory_$Pointer$.base| |~#loop_attr_backing_file~0.base|) |~#loop_attr_backing_file~0.offset|)) [2019-10-07 11:01:02,168 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string275.base| |#t~string991.base|) [2019-10-07 11:01:10,218 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#xor_funcs~0.base| |#t~string281.base|) [2019-10-07 11:02:02,634 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#xfer_funcs~0.base| |~#none_funcs~0.base|) [2019-10-07 11:02:52,986 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#xor_funcs~0.base| |#t~string314.base|) [2019-10-07 11:03:16,766 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#xor_funcs~0.base| (select (select |#memory_$Pointer$.base| |~#loop_attrs~0.base|) (+ |~#loop_attrs~0.offset| 4))) [2019-10-07 11:03:28,454 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#xor_funcs~0.base| |#t~string656.base|) [2019-10-07 11:03:33,028 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#xor_funcs~0.base| ~__ksymtab_loop_unregister_transfer~0.name.base) [2019-10-07 11:03:35,048 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string970.base| |~#xor_funcs~0.base|)