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 0.1.24-36ac518-m [2019-10-07 12:54:37,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:54:37,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:54:37,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:54:37,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:54:37,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:54:37,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:54:37,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:54:37,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:54:37,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:54:37,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:54:37,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:54:37,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:54:37,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:54:37,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:54:37,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:54:37,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:54:37,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:54:37,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:54:37,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:54:37,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:54:37,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:54:37,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:54:37,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:54:37,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:54:37,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:54:37,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:54:37,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:54:37,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:54:37,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:54:37,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:54:37,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:54:37,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:54:37,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:54:37,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:54:37,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:54:37,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:54:37,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:54:37,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:54:37,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:54:37,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:54:37,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:54:37,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:54:37,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:54:37,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:54:37,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:54:37,713 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:54:37,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:54:37,713 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:54:37,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:54:37,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:54:37,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:54:37,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:54:37,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:54:37,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:54:37,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:54:37,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:54:37,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:54:37,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:54:37,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:54:37,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:54:37,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:54:37,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:54:37,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:54:37,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:54:37,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:54:37,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:54:37,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:54:37,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:54:37,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:54:37,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:54:38,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:54:38,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:54:38,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:54:38,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:54:38,070 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:54:38,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-07 12:54:38,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b503f1bc/47b1a8f8953e4633b768235720cd7a69/FLAGc848f3102 [2019-10-07 12:54:38,864 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:54:38,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-07 12:54:38,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b503f1bc/47b1a8f8953e4633b768235720cd7a69/FLAGc848f3102 [2019-10-07 12:54:38,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b503f1bc/47b1a8f8953e4633b768235720cd7a69 [2019-10-07 12:54:38,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:54:38,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:54:38,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:54:38,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:54:38,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:54:38,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:54:38" (1/1) ... [2019-10-07 12:54:38,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459ef6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:38, skipping insertion in model container [2019-10-07 12:54:38,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:54:38" (1/1) ... [2019-10-07 12:54:38,994 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:54:39,082 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:54:40,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:54:40,364 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:54:40,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:54:40,878 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:54:40,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40 WrapperNode [2019-10-07 12:54:40,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:54:40,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:54:40,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:54:40,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:54:40,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... [2019-10-07 12:54:40,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... [2019-10-07 12:54:40,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... [2019-10-07 12:54:40,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... [2019-10-07 12:54:41,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... [2019-10-07 12:54:41,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... [2019-10-07 12:54:41,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... [2019-10-07 12:54:41,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:54:41,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:54:41,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:54:41,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:54:41,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:54:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:54:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:54:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 12:54:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-07 12:54:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 12:54:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 12:54:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 12:54:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-07 12:54:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 12:54:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 12:54:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 12:54:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:54:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:54:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-07 12:54:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-07 12:54:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-10-07 12:54:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-10-07 12:54:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 12:54:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-10-07 12:54:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2019-10-07 12:54:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-10-07 12:54:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-10-07 12:54:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-07 12:54:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-07 12:54:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-07 12:54:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-07 12:54:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 12:54:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-07 12:54:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:54:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:54:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:54:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:54:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:54:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:54:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:54:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:54:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:54:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-07 12:54:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-10-07 12:54:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-10-07 12:54:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-10-07 12:54:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2019-10-07 12:54:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2019-10-07 12:54:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2019-10-07 12:54:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2019-10-07 12:54:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2019-10-07 12:54:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2019-10-07 12:54:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2019-10-07 12:54:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2019-10-07 12:54:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2019-10-07 12:54:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2019-10-07 12:54:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2019-10-07 12:54:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2019-10-07 12:54:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2019-10-07 12:54:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2019-10-07 12:54:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-07 12:54:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2019-10-07 12:54:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2019-10-07 12:54:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2019-10-07 12:54:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:54:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-07 12:54:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 12:54:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 12:54:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2019-10-07 12:54:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-07 12:54:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:54:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:54:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:54:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:54:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2019-10-07 12:54:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2019-10-07 12:54:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2019-10-07 12:54:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2019-10-07 12:54:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:54:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2019-10-07 12:54:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-07 12:54:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 12:54:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 12:54:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:54:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 12:54:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 12:54:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:54:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-10-07 12:54:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-10-07 12:54:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2019-10-07 12:54:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-10-07 12:54:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-10-07 12:54:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2019-10-07 12:54:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2019-10-07 12:54:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2019-10-07 12:54:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2019-10-07 12:54:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2019-10-07 12:54:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2019-10-07 12:54:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2019-10-07 12:54:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2019-10-07 12:54:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-10-07 12:54:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2019-10-07 12:54:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2019-10-07 12:54:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2019-10-07 12:54:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2019-10-07 12:54:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2019-10-07 12:54:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2019-10-07 12:54:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2019-10-07 12:54:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2019-10-07 12:54:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 12:54:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-10-07 12:54:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:54:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 12:54:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-07 12:54:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-10-07 12:54:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-10-07 12:54:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-10-07 12:54:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-10-07 12:54:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-07 12:54:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-10-07 12:54:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-10-07 12:54:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2019-10-07 12:54:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-10-07 12:54:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2019-10-07 12:54:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-07 12:54:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-10-07 12:54:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2019-10-07 12:54:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2019-10-07 12:54:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2019-10-07 12:54:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2019-10-07 12:54:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2019-10-07 12:54:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:54:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:54:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:54:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:54:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:54:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:54:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 12:54:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-07 12:54:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 12:54:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 12:54:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-07 12:54:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:54:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-07 12:54:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 12:54:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 12:54:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 12:54:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:54:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 12:54:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 12:54:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:54:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 12:54:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 12:54:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-07 12:54:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:54:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 12:54:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:54:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:54:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:54:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 12:54:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-07 12:54:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-07 12:54:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-07 12:54:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-10-07 12:54:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-10-07 12:54:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-10-07 12:54:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-10-07 12:54:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 12:54:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 12:54:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-10-07 12:54:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-10-07 12:54:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-10-07 12:54:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-10-07 12:54:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-10-07 12:54:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2019-10-07 12:54:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2019-10-07 12:54:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2019-10-07 12:54:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-10-07 12:54:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2019-10-07 12:54:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-10-07 12:54:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 12:54:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:54:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:54:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:54:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:54:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:54:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:54:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:54:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:54:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:54:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2019-10-07 12:54:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2019-10-07 12:54:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2019-10-07 12:54:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2019-10-07 12:54:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2019-10-07 12:54:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2019-10-07 12:54:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:54:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:54:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-07 12:54:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:54:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:54:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:54:42,462 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:54:42,678 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-07 12:54:45,438 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:54:45,438 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:54:45,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:54:45 BoogieIcfgContainer [2019-10-07 12:54:45,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:54:45,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:54:45,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:54:45,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:54:45,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:54:38" (1/3) ... [2019-10-07 12:54:45,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d046b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:54:45, skipping insertion in model container [2019-10-07 12:54:45,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:54:40" (2/3) ... [2019-10-07 12:54:45,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d046b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:54:45, skipping insertion in model container [2019-10-07 12:54:45,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:54:45" (3/3) ... [2019-10-07 12:54:45,449 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-10-07 12:54:45,461 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:54:45,472 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:54:45,486 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:54:45,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:54:45,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:54:45,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:54:45,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:54:45,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:54:45,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:54:45,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:54:45,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:54:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states. [2019-10-07 12:54:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-07 12:54:45,568 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:45,569 INFO L385 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] [2019-10-07 12:54:45,571 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:45,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:45,578 INFO L82 PathProgramCache]: Analyzing trace with hash -565860301, now seen corresponding path program 1 times [2019-10-07 12:54:45,587 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:45,588 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:45,588 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:45,588 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 12:54:46,127 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:46,128 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:54:46,128 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:54:46,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:54:46,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:54:46,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:54:46,155 INFO L87 Difference]: Start difference. First operand 704 states. Second operand 3 states. [2019-10-07 12:54:46,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:54:46,430 INFO L93 Difference]: Finished difference Result 1859 states and 2246 transitions. [2019-10-07 12:54:46,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:54:46,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-10-07 12:54:46,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:54:46,474 INFO L225 Difference]: With dead ends: 1859 [2019-10-07 12:54:46,475 INFO L226 Difference]: Without dead ends: 1152 [2019-10-07 12:54:46,487 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:54:46,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2019-10-07 12:54:46,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1149. [2019-10-07 12:54:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2019-10-07 12:54:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1359 transitions. [2019-10-07 12:54:46,652 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1359 transitions. Word has length 39 [2019-10-07 12:54:46,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:54:46,653 INFO L462 AbstractCegarLoop]: Abstraction has 1149 states and 1359 transitions. [2019-10-07 12:54:46,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:54:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1359 transitions. [2019-10-07 12:54:46,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 12:54:46,657 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:46,657 INFO L385 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] [2019-10-07 12:54:46,657 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:46,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:46,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1875444114, now seen corresponding path program 1 times [2019-10-07 12:54:46,658 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:46,658 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:46,658 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:46,659 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 12:54:46,810 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:46,810 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:54:46,810 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:54:46,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:54:46,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:54:46,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:54:46,813 INFO L87 Difference]: Start difference. First operand 1149 states and 1359 transitions. Second operand 3 states. [2019-10-07 12:54:46,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:54:46,938 INFO L93 Difference]: Finished difference Result 2229 states and 2647 transitions. [2019-10-07 12:54:46,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:54:46,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2019-10-07 12:54:46,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:54:46,959 INFO L225 Difference]: With dead ends: 2229 [2019-10-07 12:54:46,960 INFO L226 Difference]: Without dead ends: 2213 [2019-10-07 12:54:46,964 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:54:46,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2019-10-07 12:54:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2019-10-07 12:54:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2213 states. [2019-10-07 12:54:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2627 transitions. [2019-10-07 12:54:47,199 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2627 transitions. Word has length 42 [2019-10-07 12:54:47,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:54:47,200 INFO L462 AbstractCegarLoop]: Abstraction has 2213 states and 2627 transitions. [2019-10-07 12:54:47,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:54:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2627 transitions. [2019-10-07 12:54:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 12:54:47,220 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:47,221 INFO L385 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] [2019-10-07 12:54:47,221 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:47,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:47,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1511942284, now seen corresponding path program 1 times [2019-10-07 12:54:47,222 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:47,222 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:47,222 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:47,224 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 12:54:47,412 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:47,413 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:54:47,413 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:54:47,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:54:47,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:54:47,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:54:47,414 INFO L87 Difference]: Start difference. First operand 2213 states and 2627 transitions. Second operand 3 states. [2019-10-07 12:54:47,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:54:47,600 INFO L93 Difference]: Finished difference Result 6262 states and 7421 transitions. [2019-10-07 12:54:47,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:54:47,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-10-07 12:54:47,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:54:47,626 INFO L225 Difference]: With dead ends: 6262 [2019-10-07 12:54:47,626 INFO L226 Difference]: Without dead ends: 4064 [2019-10-07 12:54:47,635 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:54:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-10-07 12:54:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4049. [2019-10-07 12:54:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4049 states. [2019-10-07 12:54:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 4049 states and 4793 transitions. [2019-10-07 12:54:47,854 INFO L78 Accepts]: Start accepts. Automaton has 4049 states and 4793 transitions. Word has length 114 [2019-10-07 12:54:47,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:54:47,856 INFO L462 AbstractCegarLoop]: Abstraction has 4049 states and 4793 transitions. [2019-10-07 12:54:47,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:54:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 4049 states and 4793 transitions. [2019-10-07 12:54:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 12:54:47,876 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:47,877 INFO L385 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] [2019-10-07 12:54:47,877 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:47,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:47,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1723547494, now seen corresponding path program 1 times [2019-10-07 12:54:47,878 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:47,878 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:47,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:47,879 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 12:54:48,291 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:48,291 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:54:48,291 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:54:48,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:54:48,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:54:48,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:54:48,294 INFO L87 Difference]: Start difference. First operand 4049 states and 4793 transitions. Second operand 5 states. [2019-10-07 12:54:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:54:48,503 INFO L93 Difference]: Finished difference Result 8100 states and 9591 transitions. [2019-10-07 12:54:48,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:54:48,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2019-10-07 12:54:48,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:54:48,538 INFO L225 Difference]: With dead ends: 8100 [2019-10-07 12:54:48,538 INFO L226 Difference]: Without dead ends: 4064 [2019-10-07 12:54:48,554 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:54:48,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2019-10-07 12:54:48,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4056. [2019-10-07 12:54:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4056 states. [2019-10-07 12:54:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 4056 states and 4798 transitions. [2019-10-07 12:54:48,800 INFO L78 Accepts]: Start accepts. Automaton has 4056 states and 4798 transitions. Word has length 149 [2019-10-07 12:54:48,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:54:48,801 INFO L462 AbstractCegarLoop]: Abstraction has 4056 states and 4798 transitions. [2019-10-07 12:54:48,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:54:48,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4056 states and 4798 transitions. [2019-10-07 12:54:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 12:54:48,809 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:48,809 INFO L385 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] [2019-10-07 12:54:48,809 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:48,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:48,810 INFO L82 PathProgramCache]: Analyzing trace with hash 912833651, now seen corresponding path program 1 times [2019-10-07 12:54:48,811 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:48,811 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:48,811 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:48,811 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:48,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 12:54:49,004 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:49,005 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:54:49,005 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 12:54:49,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 12:54:49,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 12:54:49,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 12:54:49,007 INFO L87 Difference]: Start difference. First operand 4056 states and 4798 transitions. Second operand 4 states. [2019-10-07 12:54:49,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:54:49,269 INFO L93 Difference]: Finished difference Result 8092 states and 9575 transitions. [2019-10-07 12:54:49,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 12:54:49,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-10-07 12:54:49,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:54:49,293 INFO L225 Difference]: With dead ends: 8092 [2019-10-07 12:54:49,293 INFO L226 Difference]: Without dead ends: 4057 [2019-10-07 12:54:49,306 INFO L606 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 [2019-10-07 12:54:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4057 states. [2019-10-07 12:54:49,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4057 to 4057. [2019-10-07 12:54:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4057 states. [2019-10-07 12:54:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 4057 states and 4799 transitions. [2019-10-07 12:54:49,524 INFO L78 Accepts]: Start accepts. Automaton has 4057 states and 4799 transitions. Word has length 153 [2019-10-07 12:54:49,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:54:49,525 INFO L462 AbstractCegarLoop]: Abstraction has 4057 states and 4799 transitions. [2019-10-07 12:54:49,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 12:54:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 4799 transitions. [2019-10-07 12:54:49,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 12:54:49,535 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:54:49,536 INFO L385 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] [2019-10-07 12:54:49,536 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:54:49,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:54:49,537 INFO L82 PathProgramCache]: Analyzing trace with hash 710304205, now seen corresponding path program 1 times [2019-10-07 12:54:49,537 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:54:49,537 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:49,538 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:49,538 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:54:49,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:54:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 12:54:49,747 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:54:49,747 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:54:49,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:54:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:54:50,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 12:54:50,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:54:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 12:54:50,400 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:54:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-07 12:54:50,672 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:54:50,717 INFO L162 IcfgInterpreter]: Started Sifa with 132 locations of interest [2019-10-07 12:54:50,718 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:54:50,725 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:54:50,732 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:54:50,733 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:54:51,509 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-10-07 12:54:52,096 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 12:54:52,299 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 12:54:52,438 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 12:54:52,670 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:52,873 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:53,110 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:53,876 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:54,226 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 522 [2019-10-07 12:54:54,383 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:54,561 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:54,727 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:54,918 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:55,091 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2019-10-07 12:54:55,105 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 139 for LOIs [2019-10-07 12:54:55,393 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-10-07 12:54:55,394 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 538 for LOIs [2019-10-07 12:54:55,533 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-10-07 12:54:55,672 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-10-07 12:54:55,874 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 12:54:56,120 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-10-07 12:54:56,367 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-07 12:54:57,602 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 12:54:57,818 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 751 [2019-10-07 12:54:58,209 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 12:54:58,550 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-07 12:54:59,571 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 12:54:59,744 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 781 [2019-10-07 12:55:00,131 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 778 [2019-10-07 12:55:00,316 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 549 [2019-10-07 12:55:00,553 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-07 12:55:00,812 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:01,029 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:01,294 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:01,521 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:01,745 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:01,928 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:02,130 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:02,374 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:02,547 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:02,762 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:02,962 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:03,140 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:03,342 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:03,543 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:03,715 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:03,921 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:04,141 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:04,314 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:04,513 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:04,717 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:04,897 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:05,097 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:05,303 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:05,475 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:05,673 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:05,899 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:06,072 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:06,271 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:06,470 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:06,644 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:06,850 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:07,049 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:07,221 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:07,419 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:07,649 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:07,822 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:08,020 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:08,221 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:08,392 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:08,595 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:08,795 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:08,967 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:09,165 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:09,362 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:09,533 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:09,756 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:09,954 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:10,126 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:10,327 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:10,526 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:10,795 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:11,063 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:11,279 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:11,452 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:11,652 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:11,872 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:12,044 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:12,242 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:12,440 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:12,663 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:12,863 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:13,080 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:13,250 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:13,449 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:13,647 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:13,819 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:14,028 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:14,227 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:14,399 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:14,598 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:14,803 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:14,974 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:15,182 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:15,382 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:15,553 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:15,752 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:15,951 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:16,133 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:16,331 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:16,537 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:16,711 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:16,909 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:17,110 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:17,287 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:17,486 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:17,685 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:17,858 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:18,056 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:18,255 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:18,439 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:18,638 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:18,837 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:19,009 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:19,206 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:19,404 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:19,583 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:19,781 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:19,986 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:20,158 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:20,356 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:20,566 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:20,738 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:20,936 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:21,139 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:21,315 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:21,516 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:21,720 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:21,892 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:22,089 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:22,286 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:22,457 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:22,657 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:22,865 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:23,038 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:23,237 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:23,437 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:23,612 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:23,810 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:24,012 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:24,186 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:24,383 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:24,582 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:24,755 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:24,952 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:25,164 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:25,335 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:25,534 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:25,734 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:25,906 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:26,105 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:26,304 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:26,479 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:26,677 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:26,875 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:27,046 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:27,244 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:27,445 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:27,626 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:27,823 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:28,025 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:28,198 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:28,395 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:28,595 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:28,770 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:28,971 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:29,170 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:29,346 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:29,543 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:29,746 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:29,926 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:30,124 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:30,339 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:30,512 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:30,710 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:30,908 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:31,085 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:31,282 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:31,485 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:31,656 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:31,853 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:32,052 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:32,224 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:32,431 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:32,630 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:32,803 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:33,005 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:33,203 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:33,376 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:33,575 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:33,774 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:33,946 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:34,146 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:34,345 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:34,517 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:34,723 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:34,923 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:35,094 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:35,300 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:35,498 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:35,669 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:35,866 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:36,068 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:36,238 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:36,437 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:36,635 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:36,806 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:37,004 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:37,209 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:37,380 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:37,581 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:37,778 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:37,949 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:38,147 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:38,344 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:38,519 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:38,716 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:38,915 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:39,086 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:39,283 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:39,480 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:39,657 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:39,855 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:40,053 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:40,223 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:40,430 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:40,629 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:40,799 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:41,001 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:41,197 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:41,370 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:41,574 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:41,771 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:41,941 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:42,145 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:42,345 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:42,517 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:42,716 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:42,914 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:43,088 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:43,285 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:43,486 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:43,658 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:43,855 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:44,052 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:44,225 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:44,423 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:44,631 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:44,805 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:45,002 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:45,199 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:45,370 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:45,579 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:45,783 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:45,957 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:46,156 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:46,355 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:46,525 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:46,722 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:46,921 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:47,092 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:47,301 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:47,503 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 12:55:47,675 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2019-10-07 12:55:47,798 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:47,912 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:48,052 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:48,933 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 12:55:49,066 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 12:55:49,372 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 628 [2019-10-07 12:55:49,790 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-07 12:55:49,905 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-10-07 12:55:50,039 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:50,156 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:50,289 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:51,157 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 12:55:51,288 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 12:55:51,605 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 628 [2019-10-07 12:55:52,063 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-07 12:55:52,223 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-10-07 12:55:52,450 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 606 [2019-10-07 12:55:52,563 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:52,709 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:52,859 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:52,973 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:53,105 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:53,218 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:53,334 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:53,464 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:54,337 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 12:55:54,560 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 12:55:54,857 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 643 [2019-10-07 12:55:55,463 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-07 12:55:55,651 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 12:55:55,971 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:56,087 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:56,228 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-10-07 12:55:57,084 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 12:55:57,221 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 12:55:57,529 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 643 [2019-10-07 12:55:58,126 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-07 12:55:58,256 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 12:55:58,461 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 610 [2019-10-07 12:55:58,578 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:58,719 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-10-07 12:55:58,927 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 610 [2019-10-07 12:55:59,043 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:55:59,175 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-10-07 12:55:59,285 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-07 12:55:59,396 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-10-07 12:55:59,530 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 606 [2019-10-07 12:55:59,654 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-10-07 12:55:59,950 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-10-07 12:56:00,485 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2019-10-07 12:56:00,621 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2019-10-07 12:56:00,929 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-10-07 12:56:01,317 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 622 [2019-10-07 12:56:01,433 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 608 [2019-10-07 12:56:01,547 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 12:56:01,688 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 12:56:01,818 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 621 [2019-10-07 12:56:02,128 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-10-07 12:56:02,742 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 632 [2019-10-07 12:56:02,956 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 623 [2019-10-07 12:56:03,291 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-10-07 12:56:03,673 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 634 [2019-10-07 12:56:04,557 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-10-07 12:56:04,729 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-10-07 12:56:05,014 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-10-07 12:56:05,485 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-07 12:56:05,664 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2019-10-07 12:56:06,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:56:06,961 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee register_virtio_driver at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee register_virtio_driver at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 12:56:06,968 INFO L168 Benchmark]: Toolchain (without parser) took 87992.40 ms. Allocated memory was 137.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 95.1 MB in the beginning and 805.4 MB in the end (delta: -710.2 MB). Peak memory consumption was 518.7 MB. Max. memory is 7.1 GB. [2019-10-07 12:56:06,968 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 12:56:06,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1903.31 ms. Allocated memory was 137.4 MB in the beginning and 233.8 MB in the end (delta: 96.5 MB). Free memory was 94.9 MB in the beginning and 186.3 MB in the end (delta: -91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-10-07 12:56:06,968 INFO L168 Benchmark]: Boogie Preprocessor took 203.34 ms. Allocated memory is still 233.8 MB. Free memory was 186.3 MB in the beginning and 173.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-10-07 12:56:06,969 INFO L168 Benchmark]: RCFGBuilder took 4355.89 ms. Allocated memory was 233.8 MB in the beginning and 313.5 MB in the end (delta: 79.7 MB). Free memory was 173.0 MB in the beginning and 191.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. [2019-10-07 12:56:06,969 INFO L168 Benchmark]: TraceAbstraction took 81524.89 ms. Allocated memory was 313.5 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 191.2 MB in the beginning and 805.4 MB in the end (delta: -614.1 MB). Peak memory consumption was 438.6 MB. Max. memory is 7.1 GB. [2019-10-07 12:56:06,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1903.31 ms. Allocated memory was 137.4 MB in the beginning and 233.8 MB in the end (delta: 96.5 MB). Free memory was 94.9 MB in the beginning and 186.3 MB in the end (delta: -91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.34 ms. Allocated memory is still 233.8 MB. Free memory was 186.3 MB in the beginning and 173.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4355.89 ms. Allocated memory was 233.8 MB in the beginning and 313.5 MB in the end (delta: 79.7 MB). Free memory was 173.0 MB in the beginning and 191.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 127.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81524.89 ms. Allocated memory was 313.5 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 191.2 MB in the beginning and 805.4 MB in the end (delta: -614.1 MB). Peak memory consumption was 438.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee register_virtio_driver de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee register_virtio_driver: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...