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-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:53:52,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:53:52,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:53:52,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:53:52,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:53:52,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:53:52,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:53:52,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:53:52,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:53:52,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:53:52,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:53:52,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:53:52,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:53:52,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:53:52,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:53:52,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:53:52,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:53:52,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:53:52,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:53:52,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:53:52,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:53:52,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:53:52,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:53:52,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:53:52,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:53:52,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:53:52,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:53:52,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:53:52,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:53:52,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:53:52,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:53:52,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:53:52,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:53:52,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:53:52,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:53:52,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:53:52,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:53:52,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:53:52,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:53:52,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:53:52,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:53:52,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:53:52,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:53:52,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:53:52,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:53:52,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:53:52,704 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:53:52,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:53:52,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:53:52,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:53:52,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:53:52,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:53:52,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:53:52,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:53:52,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:53:52,706 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:53:52,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:53:52,706 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:53:52,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:53:52,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:53:52,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:53:52,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:53:52,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:53:52,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:53:52,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:53:52,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:53:52,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:53:52,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:53:52,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:53:52,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:53:52,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:53:52,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:53:52,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:53:52,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:53:52,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:53:52,995 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:53:52,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-13 22:53:53,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8403c558b/5f54c42ecc574d15b88785652d31ee71/FLAGfb3dd0175 [2019-10-13 22:53:53,732 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:53:53,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-13 22:53:53,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8403c558b/5f54c42ecc574d15b88785652d31ee71/FLAGfb3dd0175 [2019-10-13 22:53:53,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8403c558b/5f54c42ecc574d15b88785652d31ee71 [2019-10-13 22:53:53,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:53:53,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:53:53,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:53:53,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:53:53,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:53:53,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:53:53" (1/1) ... [2019-10-13 22:53:53,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f28d6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:53, skipping insertion in model container [2019-10-13 22:53:53,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:53:53" (1/1) ... [2019-10-13 22:53:53,891 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:53:53,998 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:53:55,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:53:55,420 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:53:55,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:53:55,836 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:53:55,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55 WrapperNode [2019-10-13 22:53:55,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:53:55,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:53:55,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:53:55,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:53:55,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... [2019-10-13 22:53:55,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... [2019-10-13 22:53:55,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... [2019-10-13 22:53:55,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... [2019-10-13 22:53:56,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... [2019-10-13 22:53:56,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... [2019-10-13 22:53:56,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... [2019-10-13 22:53:56,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:53:56,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:53:56,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:53:56,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:53:56,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:53:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:53:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:53:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-13 22:53:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-13 22:53:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:53:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:53:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 22:53:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-13 22:53:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:53:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 22:53:56,143 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 22:53:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:53:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:53:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-13 22:53:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-13 22:53:56,144 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-13 22:53:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-13 22:53:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 22:53:56,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-10-13 22:53:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2019-10-13 22:53:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-10-13 22:53:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-13 22:53:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-13 22:53:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-13 22:53:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-13 22:53:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-13 22:53:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:53:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-13 22:53:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:53:56,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:53:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:53:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:53:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:53:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:53:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:53:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:53:56,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:53:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:53:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-13 22:53:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-13 22:53:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-10-13 22:53:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2019-10-13 22:53:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2019-10-13 22:53:56,149 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2019-10-13 22:53:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2019-10-13 22:53:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2019-10-13 22:53:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2019-10-13 22:53:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2019-10-13 22:53:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2019-10-13 22:53:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2019-10-13 22:53:56,150 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2019-10-13 22:53:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2019-10-13 22:53:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2019-10-13 22:53:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2019-10-13 22:53:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2019-10-13 22:53:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-13 22:53:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2019-10-13 22:53:56,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2019-10-13 22:53:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2019-10-13 22:53:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:53:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 22:53:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 22:53:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 22:53:56,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2019-10-13 22:53:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 22:53:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:53:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:53:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:53:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:53:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2019-10-13 22:53:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2019-10-13 22:53:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2019-10-13 22:53:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2019-10-13 22:53:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:53:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2019-10-13 22:53:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-13 22:53:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:53:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-13 22:53:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:53:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 22:53:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:53:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:53:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-13 22:53:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-13 22:53:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2019-10-13 22:53:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-13 22:53:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-13 22:53:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2019-10-13 22:53:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2019-10-13 22:53:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2019-10-13 22:53:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2019-10-13 22:53:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2019-10-13 22:53:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2019-10-13 22:53:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2019-10-13 22:53:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2019-10-13 22:53:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-10-13 22:53:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2019-10-13 22:53:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2019-10-13 22:53:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2019-10-13 22:53:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2019-10-13 22:53:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2019-10-13 22:53:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2019-10-13 22:53:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2019-10-13 22:53:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2019-10-13 22:53:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-13 22:53:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-13 22:53:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:53:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:53:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-13 22:53:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-10-13 22:53:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-10-13 22:53:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-10-13 22:53:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-10-13 22:53:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 22:53:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-13 22:53:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-13 22:53:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2019-10-13 22:53:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-10-13 22:53:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2019-10-13 22:53:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-13 22:53:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-13 22:53:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2019-10-13 22:53:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2019-10-13 22:53:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2019-10-13 22:53:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2019-10-13 22:53:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2019-10-13 22:53:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:53:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:53:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:53:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:53:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:53:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:53:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 22:53:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 22:53:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 22:53:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-13 22:53:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-13 22:53:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:53:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:53:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:53:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 22:53:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-13 22:53:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:53:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:53:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:53:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:53:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:53:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-13 22:53:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-13 22:53:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-13 22:53:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-13 22:53:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-13 22:53:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-13 22:53:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-13 22:53:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-13 22:53:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2019-10-13 22:53:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-13 22:53:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:53:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-13 22:53:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:53:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-10-13 22:53:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-10-13 22:53:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-10-13 22:53:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-10-13 22:53:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-13 22:53:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2019-10-13 22:53:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2019-10-13 22:53:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2019-10-13 22:53:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2019-10-13 22:53:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2019-10-13 22:53:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-13 22:53:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2019-10-13 22:53:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-10-13 22:53:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2019-10-13 22:53:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2019-10-13 22:53:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2019-10-13 22:53:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2019-10-13 22:53:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:53:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:53:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:53:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:53:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-13 22:53:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:53:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-13 22:53:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-13 22:53:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-13 22:53:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-13 22:53:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:53:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:53:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-13 22:53:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-13 22:53:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:53:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:53:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:53:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:53:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:53:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:53:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:53:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:53:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-13 22:53:56,177 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2019-10-13 22:53:56,178 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2019-10-13 22:53:56,179 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2019-10-13 22:53:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-13 22:53:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2019-10-13 22:53:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:53:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:53:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:53:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:53:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 22:53:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:53:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2019-10-13 22:53:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2019-10-13 22:53:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2019-10-13 22:53:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:53:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:53:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:53:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:53:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:53:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:53:57,421 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:53:57,661 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 22:54:00,192 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:54:00,192 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:54:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:54:00 BoogieIcfgContainer [2019-10-13 22:54:00,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:54:00,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:54:00,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:54:00,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:54:00,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:53:53" (1/3) ... [2019-10-13 22:54:00,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ef8e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:54:00, skipping insertion in model container [2019-10-13 22:54:00,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:53:55" (2/3) ... [2019-10-13 22:54:00,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ef8e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:54:00, skipping insertion in model container [2019-10-13 22:54:00,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:54:00" (3/3) ... [2019-10-13 22:54:00,203 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-13 22:54:00,213 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:54:00,227 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:54:00,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:54:00,282 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:54:00,282 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:54:00,282 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:54:00,282 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:54:00,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:54:00,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:54:00,283 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:54:00,283 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:54:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states. [2019-10-13 22:54:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-13 22:54:00,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:00,340 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:54:00,342 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:00,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:00,347 INFO L82 PathProgramCache]: Analyzing trace with hash -565860301, now seen corresponding path program 1 times [2019-10-13 22:54:00,356 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:00,356 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295293467] [2019-10-13 22:54:00,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:00,356 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:00,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:54:00,757 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295293467] [2019-10-13 22:54:00,758 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:00,759 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:54:00,759 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715485151] [2019-10-13 22:54:00,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:54:00,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:00,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:54:00,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:54:00,779 INFO L87 Difference]: Start difference. First operand 704 states. Second operand 3 states. [2019-10-13 22:54:01,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:01,019 INFO L93 Difference]: Finished difference Result 1859 states and 2246 transitions. [2019-10-13 22:54:01,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:54:01,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-13 22:54:01,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:01,046 INFO L225 Difference]: With dead ends: 1859 [2019-10-13 22:54:01,046 INFO L226 Difference]: Without dead ends: 1152 [2019-10-13 22:54:01,056 INFO L600 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 [2019-10-13 22:54:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2019-10-13 22:54:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1149. [2019-10-13 22:54:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2019-10-13 22:54:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1359 transitions. [2019-10-13 22:54:01,225 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1359 transitions. Word has length 39 [2019-10-13 22:54:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:01,226 INFO L462 AbstractCegarLoop]: Abstraction has 1149 states and 1359 transitions. [2019-10-13 22:54:01,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:54:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1359 transitions. [2019-10-13 22:54:01,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 22:54:01,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:01,233 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:54:01,233 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:01,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:01,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1875444114, now seen corresponding path program 1 times [2019-10-13 22:54:01,234 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:01,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230301630] [2019-10-13 22:54:01,235 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:01,235 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:01,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:54:01,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230301630] [2019-10-13 22:54:01,430 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:01,430 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:54:01,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202577735] [2019-10-13 22:54:01,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:54:01,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:01,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:54:01,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:54:01,436 INFO L87 Difference]: Start difference. First operand 1149 states and 1359 transitions. Second operand 3 states. [2019-10-13 22:54:01,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:01,522 INFO L93 Difference]: Finished difference Result 2229 states and 2647 transitions. [2019-10-13 22:54:01,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:54:01,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-13 22:54:01,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:01,542 INFO L225 Difference]: With dead ends: 2229 [2019-10-13 22:54:01,542 INFO L226 Difference]: Without dead ends: 2213 [2019-10-13 22:54:01,547 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:54:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2019-10-13 22:54:01,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2019-10-13 22:54:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2019-10-13 22:54:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2627 transitions. [2019-10-13 22:54:01,749 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2627 transitions. Word has length 42 [2019-10-13 22:54:01,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:01,750 INFO L462 AbstractCegarLoop]: Abstraction has 2213 states and 2627 transitions. [2019-10-13 22:54:01,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:54:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2627 transitions. [2019-10-13 22:54:01,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-13 22:54:01,766 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:01,766 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 22:54:01,767 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:01,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:01,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1511942284, now seen corresponding path program 1 times [2019-10-13 22:54:01,767 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:01,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315916961] [2019-10-13 22:54:01,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:01,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:01,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 22:54:01,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315916961] [2019-10-13 22:54:01,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:01,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:54:01,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929400696] [2019-10-13 22:54:01,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:54:01,941 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:01,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:54:01,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:54:01,941 INFO L87 Difference]: Start difference. First operand 2213 states and 2627 transitions. Second operand 3 states. [2019-10-13 22:54:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:02,116 INFO L93 Difference]: Finished difference Result 6262 states and 7421 transitions. [2019-10-13 22:54:02,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:54:02,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-10-13 22:54:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:02,153 INFO L225 Difference]: With dead ends: 6262 [2019-10-13 22:54:02,153 INFO L226 Difference]: Without dead ends: 4064 [2019-10-13 22:54:02,167 INFO L600 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 [2019-10-13 22:54:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-10-13 22:54:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4049. [2019-10-13 22:54:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4049 states. [2019-10-13 22:54:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 4049 states and 4793 transitions. [2019-10-13 22:54:02,341 INFO L78 Accepts]: Start accepts. Automaton has 4049 states and 4793 transitions. Word has length 114 [2019-10-13 22:54:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:02,342 INFO L462 AbstractCegarLoop]: Abstraction has 4049 states and 4793 transitions. [2019-10-13 22:54:02,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:54:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4049 states and 4793 transitions. [2019-10-13 22:54:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 22:54:02,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:02,353 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-13 22:54:02,353 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:02,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1723547494, now seen corresponding path program 1 times [2019-10-13 22:54:02,354 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:02,355 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676469010] [2019-10-13 22:54:02,355 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:02,355 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:02,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 22:54:02,681 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676469010] [2019-10-13 22:54:02,681 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:02,681 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:54:02,681 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250619022] [2019-10-13 22:54:02,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:54:02,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:02,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:54:02,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:54:02,684 INFO L87 Difference]: Start difference. First operand 4049 states and 4793 transitions. Second operand 5 states. [2019-10-13 22:54:02,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:02,851 INFO L93 Difference]: Finished difference Result 8100 states and 9591 transitions. [2019-10-13 22:54:02,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:54:02,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2019-10-13 22:54:02,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:02,874 INFO L225 Difference]: With dead ends: 8100 [2019-10-13 22:54:02,874 INFO L226 Difference]: Without dead ends: 4064 [2019-10-13 22:54:02,886 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:54:02,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-10-13 22:54:03,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4056. [2019-10-13 22:54:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4056 states. [2019-10-13 22:54:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 4056 states and 4798 transitions. [2019-10-13 22:54:03,035 INFO L78 Accepts]: Start accepts. Automaton has 4056 states and 4798 transitions. Word has length 149 [2019-10-13 22:54:03,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:03,035 INFO L462 AbstractCegarLoop]: Abstraction has 4056 states and 4798 transitions. [2019-10-13 22:54:03,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:54:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 4056 states and 4798 transitions. [2019-10-13 22:54:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-13 22:54:03,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:03,043 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-13 22:54:03,044 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:03,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:03,044 INFO L82 PathProgramCache]: Analyzing trace with hash 912833651, now seen corresponding path program 1 times [2019-10-13 22:54:03,044 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:03,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534932416] [2019-10-13 22:54:03,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:03,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:03,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 22:54:03,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534932416] [2019-10-13 22:54:03,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:54:03,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:54:03,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321204835] [2019-10-13 22:54:03,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:54:03,170 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:54:03,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:54:03,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:54:03,171 INFO L87 Difference]: Start difference. First operand 4056 states and 4798 transitions. Second operand 4 states. [2019-10-13 22:54:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:54:03,402 INFO L93 Difference]: Finished difference Result 8092 states and 9575 transitions. [2019-10-13 22:54:03,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 22:54:03,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-10-13 22:54:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:54:03,423 INFO L225 Difference]: With dead ends: 8092 [2019-10-13 22:54:03,423 INFO L226 Difference]: Without dead ends: 4057 [2019-10-13 22:54:03,434 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:54:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2019-10-13 22:54:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 4057. [2019-10-13 22:54:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4057 states. [2019-10-13 22:54:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 4057 states and 4799 transitions. [2019-10-13 22:54:03,585 INFO L78 Accepts]: Start accepts. Automaton has 4057 states and 4799 transitions. Word has length 153 [2019-10-13 22:54:03,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:54:03,585 INFO L462 AbstractCegarLoop]: Abstraction has 4057 states and 4799 transitions. [2019-10-13 22:54:03,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:54:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 4799 transitions. [2019-10-13 22:54:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-13 22:54:03,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:54:03,593 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-13 22:54:03,594 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:54:03,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:54:03,594 INFO L82 PathProgramCache]: Analyzing trace with hash 710304205, now seen corresponding path program 1 times [2019-10-13 22:54:03,594 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:54:03,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838319347] [2019-10-13 22:54:03,596 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:03,596 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:54:03,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:54:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 22:54:03,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838319347] [2019-10-13 22:54:03,793 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390717842] [2019-10-13 22:54:03,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:54:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:54:04,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 22:54:04,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:54:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 22:54:04,445 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:54:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 22:54:04,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [377692126] [2019-10-13 22:54:04,731 INFO L162 IcfgInterpreter]: Started Sifa with 132 locations of interest [2019-10-13 22:54:04,732 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:54:04,739 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:54:04,757 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:54:04,758 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:54:05,409 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-10-13 22:54:06,041 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-13 22:54:06,320 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:06,484 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:06,643 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:06,824 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:07,544 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 522 [2019-10-13 22:54:07,661 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:07,795 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:07,907 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:08,028 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-13 22:54:08,146 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 139 for LOIs [2019-10-13 22:54:08,389 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 538 for LOIs [2019-10-13 22:54:08,502 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-10-13 22:54:08,735 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-13 22:54:09,172 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-13 22:54:10,481 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-13 22:54:10,677 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 751 [2019-10-13 22:54:11,074 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-13 22:54:11,212 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-10-13 22:54:11,333 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2019-10-13 22:54:11,495 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-13 22:54:12,377 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-13 22:54:12,591 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 781 [2019-10-13 22:54:12,970 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 778 [2019-10-13 22:54:13,198 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 549 [2019-10-13 22:54:13,414 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-13 22:54:13,648 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:13,888 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:14,136 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:14,344 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:14,539 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:14,822 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:15,028 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:15,251 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:15,421 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:15,646 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:15,859 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:16,027 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:16,224 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:16,418 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:16,590 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:16,783 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:16,981 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:17,149 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:17,347 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:17,564 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:17,735 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:17,929 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:18,131 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:18,298 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:18,494 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:18,689 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:18,866 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:19,060 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:19,269 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:19,458 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:19,653 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:19,846 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:20,013 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:20,206 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:20,403 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:20,570 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:20,763 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:20,958 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:21,124 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:21,335 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:21,528 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:21,695 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:21,889 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:22,085 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:22,252 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:22,449 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:22,643 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:22,810 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:23,003 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:23,197 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:23,467 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:23,701 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:23,908 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:24,075 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:24,268 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:24,461 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:24,631 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:24,825 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:25,020 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:25,234 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:25,427 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:25,630 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:25,803 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:25,996 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:26,200 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:26,367 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:26,560 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:26,756 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:26,923 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:27,117 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:27,311 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:27,478 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:27,671 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:27,877 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:28,052 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:28,246 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:28,441 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:28,608 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:28,801 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:29,008 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:29,175 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:29,369 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:29,563 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:29,733 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:29,926 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:30,130 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:30,301 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:30,497 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:30,693 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:30,860 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:31,054 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:31,252 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-13 22:54:31,421 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-13 22:54:31,615 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 553