/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 07:42:10,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 07:42:10,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 07:42:10,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 07:42:10,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 07:42:10,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 07:42:10,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 07:42:10,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 07:42:10,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 07:42:10,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 07:42:10,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 07:42:10,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 07:42:10,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 07:42:10,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 07:42:10,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 07:42:10,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 07:42:10,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 07:42:10,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 07:42:10,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 07:42:10,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 07:42:10,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 07:42:10,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 07:42:10,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 07:42:10,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 07:42:10,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 07:42:10,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 07:42:10,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 07:42:10,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 07:42:10,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 07:42:10,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-27 07:42:10,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 07:42:10,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 07:42:10,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 07:42:10,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 07:42:10,357 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 07:42:10,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 07:42:10,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 07:42:10,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 07:42:10,360 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 07:42:10,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 07:42:10,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 07:42:10,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 07:42:10,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 07:42:10,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 07:42:10,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 07:42:10,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 07:42:10,361 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 07:42:10,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 07:42:10,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 07:42:10,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 07:42:10,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 07:42:10,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 07:42:10,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 07:42:10,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 07:42:10,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 07:42:10,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 07:42:10,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 07:42:10,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 07:42:10,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 07:42:10,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 07:42:10,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 07:42:10,364 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 07:42:10,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 07:42:10,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 07:42:10,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 07:42:10,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 07:42:10,755 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 07:42:10,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2020-10-27 07:42:10,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b38558797/224366b397bf4173bde5289c7418227c/FLAG88f4b43f4 [2020-10-27 07:42:11,714 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 07:42:11,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2020-10-27 07:42:11,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b38558797/224366b397bf4173bde5289c7418227c/FLAG88f4b43f4 [2020-10-27 07:42:11,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b38558797/224366b397bf4173bde5289c7418227c [2020-10-27 07:42:11,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 07:42:11,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 07:42:11,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 07:42:11,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 07:42:11,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 07:42:11,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:42:11" (1/1) ... [2020-10-27 07:42:11,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2961f048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:11, skipping insertion in model container [2020-10-27 07:42:11,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:42:11" (1/1) ... [2020-10-27 07:42:11,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 07:42:12,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 07:42:13,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 07:42:13,073 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 07:42:13,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 07:42:13,593 INFO L208 MainTranslator]: Completed translation [2020-10-27 07:42:13,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13 WrapperNode [2020-10-27 07:42:13,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 07:42:13,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 07:42:13,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 07:42:13,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 07:42:13,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... [2020-10-27 07:42:13,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... [2020-10-27 07:42:13,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... [2020-10-27 07:42:13,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... [2020-10-27 07:42:13,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... [2020-10-27 07:42:13,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... [2020-10-27 07:42:13,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... [2020-10-27 07:42:13,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 07:42:13,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 07:42:13,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 07:42:13,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 07:42:13,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 07:42:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 07:42:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 07:42:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-27 07:42:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-27 07:42:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-27 07:42:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 07:42:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 07:42:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-27 07:42:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-27 07:42:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 07:42:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-27 07:42:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-27 07:42:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 07:42:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 07:42:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-27 07:42:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-27 07:42:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2020-10-27 07:42:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2020-10-27 07:42:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-27 07:42:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2020-10-27 07:42:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2020-10-27 07:42:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2020-10-27 07:42:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2020-10-27 07:42:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-27 07:42:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-27 07:42:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-27 07:42:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-27 07:42:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 07:42:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 07:42:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 07:42:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-27 07:42:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 07:42:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2020-10-27 07:42:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2020-10-27 07:42:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2020-10-27 07:42:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2020-10-27 07:42:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2020-10-27 07:42:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2020-10-27 07:42:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2020-10-27 07:42:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2020-10-27 07:42:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2020-10-27 07:42:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2020-10-27 07:42:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2020-10-27 07:42:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2020-10-27 07:42:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2020-10-27 07:42:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2020-10-27 07:42:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2020-10-27 07:42:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2020-10-27 07:42:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2020-10-27 07:42:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 07:42:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2020-10-27 07:42:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 07:42:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-27 07:42:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-27 07:42:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-27 07:42:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2020-10-27 07:42:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 07:42:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 07:42:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 07:42:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 07:42:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 07:42:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 07:42:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2020-10-27 07:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_blk_rq [2020-10-27 07:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2020-10-27 07:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 07:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2020-10-27 07:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-27 07:42:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-27 07:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-10-27 07:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 07:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-27 07:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-27 07:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 07:42:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-27 07:42:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-27 07:42:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2020-10-27 07:42:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2020-10-27 07:42:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-27 07:42:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2020-10-27 07:42:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-27 07:42:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_make_request [2020-10-27 07:42:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2020-10-27 07:42:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2020-10-27 07:42:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2020-10-27 07:42:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2020-10-27 07:42:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2020-10-27 07:42:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2020-10-27 07:42:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2020-10-27 07:42:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2020-10-27 07:42:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2020-10-27 07:42:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2020-10-27 07:42:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2020-10-27 07:42:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2020-10-27 07:42:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2020-10-27 07:42:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2020-10-27 07:42:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2020-10-27 07:42:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-27 07:42:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-27 07:42:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-27 07:42:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 07:42:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-27 07:42:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-27 07:42:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2020-10-27 07:42:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2020-10-27 07:42:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2020-10-27 07:42:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2020-10-27 07:42:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-27 07:42:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2020-10-27 07:42:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-27 07:42:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2020-10-27 07:42:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2020-10-27 07:42:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2020-10-27 07:42:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2020-10-27 07:42:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-27 07:42:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2020-10-27 07:42:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2020-10-27 07:42:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2020-10-27 07:42:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2020-10-27 07:42:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2020-10-27 07:42:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 07:42:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 07:42:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 07:42:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 07:42:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 07:42:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 07:42:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 07:42:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 07:42:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-27 07:42:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-27 07:42:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-27 07:42:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-10-27 07:42:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-27 07:42:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-27 07:42:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-27 07:42:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-27 07:42:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 07:42:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 07:42:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-27 07:42:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-27 07:42:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 07:42:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-27 07:42:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-27 07:42:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-27 07:42:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 07:42:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-27 07:42:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 07:42:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 07:42:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 07:42:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-27 07:42:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-27 07:42:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-27 07:42:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-27 07:42:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-27 07:42:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-27 07:42:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-27 07:42:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-27 07:42:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2020-10-27 07:42:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2020-10-27 07:42:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 07:42:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-27 07:42:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 07:42:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-27 07:42:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-27 07:42:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-27 07:42:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-27 07:42:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2020-10-27 07:42:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2020-10-27 07:42:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2020-10-27 07:42:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2020-10-27 07:42:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2020-10-27 07:42:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2020-10-27 07:42:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2020-10-27 07:42:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2020-10-27 07:42:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2020-10-27 07:42:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2020-10-27 07:42:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure blk_make_request [2020-10-27 07:42:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2020-10-27 07:42:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2020-10-27 07:42:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2020-10-27 07:42:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2020-10-27 07:42:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2020-10-27 07:42:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2020-10-27 07:42:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2020-10-27 07:42:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2020-10-27 07:42:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2020-10-27 07:42:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-27 07:42:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-27 07:42:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-27 07:42:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2020-10-27 07:42:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2020-10-27 07:42:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2020-10-27 07:42:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2020-10-27 07:42:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2020-10-27 07:42:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2020-10-27 07:42:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2020-10-27 07:42:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2020-10-27 07:42:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2020-10-27 07:42:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-27 07:42:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2020-10-27 07:42:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_blk_rq [2020-10-27 07:42:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 07:42:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 07:42:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 07:42:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 07:42:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-27 07:42:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-27 07:42:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-27 07:42:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-27 07:42:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-27 07:42:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 07:42:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 07:42:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 07:42:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 07:42:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 07:42:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 07:42:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-27 07:42:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-27 07:42:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 07:42:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2020-10-27 07:42:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2020-10-27 07:42:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2020-10-27 07:42:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2020-10-27 07:42:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2020-10-27 07:42:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2020-10-27 07:42:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2020-10-27 07:42:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2020-10-27 07:42:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2020-10-27 07:42:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2020-10-27 07:42:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2020-10-27 07:42:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2020-10-27 07:42:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2020-10-27 07:42:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-27 07:42:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2020-10-27 07:42:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-10-27 07:42:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 07:42:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2020-10-27 07:42:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2020-10-27 07:42:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2020-10-27 07:42:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2020-10-27 07:42:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2020-10-27 07:42:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2020-10-27 07:42:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2020-10-27 07:42:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2020-10-27 07:42:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2020-10-27 07:42:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 07:42:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 07:42:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 07:42:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2020-10-27 07:42:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2020-10-27 07:42:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 07:42:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 07:42:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 07:42:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 07:42:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 07:42:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 07:42:16,980 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 07:42:16,980 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 07:42:16,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:42:16 BoogieIcfgContainer [2020-10-27 07:42:16,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 07:42:16,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 07:42:16,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 07:42:16,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 07:42:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:42:11" (1/3) ... [2020-10-27 07:42:16,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584c98e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:42:16, skipping insertion in model container [2020-10-27 07:42:16,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:13" (2/3) ... [2020-10-27 07:42:16,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584c98e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:42:16, skipping insertion in model container [2020-10-27 07:42:16,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:42:16" (3/3) ... [2020-10-27 07:42:16,995 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.i [2020-10-27 07:42:17,008 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 07:42:17,014 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 07:42:17,031 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 07:42:17,068 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 07:42:17,068 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 07:42:17,068 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 07:42:17,068 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 07:42:17,069 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 07:42:17,069 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 07:42:17,069 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 07:42:17,069 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 07:42:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states. [2020-10-27 07:42:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 07:42:17,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 07:42:17,123 INFO L422 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] [2020-10-27 07:42:17,123 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 07:42:17,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 07:42:17,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1170605450, now seen corresponding path program 1 times [2020-10-27 07:42:17,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 07:42:17,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974341378] [2020-10-27 07:42:17,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 07:42:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:17,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:18,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:18,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 07:42:18,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 705 [2020-10-27 07:42:18,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 07:42:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 07:42:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 07:42:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 07:42:18,518 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 07:42:18,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 07:42:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:18,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:18,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:18,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:18,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:18,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 07:42:18,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:42:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 07:42:18,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:18,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 07:42:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:18,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:18,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 07:42:18,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 07:42:18,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:42:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 07:42:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:18,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 07:42:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:18,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:18,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:18,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 07:42:18,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:18,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 07:42:18,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:18,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:42:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 07:42:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 07:42:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:18,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:18,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 07:42:18,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:18,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 07:42:18,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:18,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 07:42:18,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:18,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 07:42:18,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:18,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:18,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:18,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:18,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:18,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 07:42:18,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:18,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:18,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:18,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:18,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 07:42:18,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974341378] [2020-10-27 07:42:18,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 07:42:18,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 07:42:18,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94525502] [2020-10-27 07:42:18,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 07:42:18,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 07:42:18,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 07:42:18,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 07:42:18,884 INFO L87 Difference]: Start difference. First operand 812 states. Second operand 5 states. [2020-10-27 07:42:19,352 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 07:42:24,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 07:42:24,046 INFO L93 Difference]: Finished difference Result 650 states and 799 transitions. [2020-10-27 07:42:24,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 07:42:24,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-27 07:42:24,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 07:42:24,066 INFO L225 Difference]: With dead ends: 650 [2020-10-27 07:42:24,067 INFO L226 Difference]: Without dead ends: 426 [2020-10-27 07:42:24,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 07:42:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-27 07:42:24,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 389. [2020-10-27 07:42:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-10-27 07:42:24,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 450 transitions. [2020-10-27 07:42:24,228 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 450 transitions. Word has length 30 [2020-10-27 07:42:24,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 07:42:24,229 INFO L481 AbstractCegarLoop]: Abstraction has 389 states and 450 transitions. [2020-10-27 07:42:24,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 07:42:24,229 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 450 transitions. [2020-10-27 07:42:24,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 07:42:24,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 07:42:24,246 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 07:42:24,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 07:42:24,247 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 07:42:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 07:42:24,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1217496947, now seen corresponding path program 1 times [2020-10-27 07:42:24,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 07:42:24,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707846952] [2020-10-27 07:42:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 07:42:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:24,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 07:42:25,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 842 [2020-10-27 07:42:25,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 07:42:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 07:42:25,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 07:42:25,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,534 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 07:42:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 07:42:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:25,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 07:42:25,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:25,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 07:42:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 07:42:25,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 07:42:25,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:25,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 07:42:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 07:42:25,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 07:42:25,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:25,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:25,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:25,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 07:42:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 07:42:25,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 07:42:25,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 07:42:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:25,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 07:42:25,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:25,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 07:42:25,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 07:42:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 07:42:25,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 07:42:25,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 07:42:25,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:25,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 07:42:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:25,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:25,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 07:42:25,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:25,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 07:42:25,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:25,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-27 07:42:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:25,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 07:42:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:25,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 07:42:26,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 07:42:26,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 07:42:26,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 07:42:26,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 07:42:26,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 07:42:26,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 07:42:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 07:42:26,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 07:42:26,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:26,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 07:42:26,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 07:42:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 07:42:26,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 07:42:26,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 07:42:26,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 07:42:26,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 07:42:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 07:42:26,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 07:42:26,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 07:42:26,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 07:42:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 07:42:26,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 07:42:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 07:42:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 07:42:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 07:42:26,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 07:42:26,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 07:42:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 07:42:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:26,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 07:42:26,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 07:42:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:26,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 07:42:26,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 07:42:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 07:42:26,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 07:42:26,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 07:42:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 07:42:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 07:42:26,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 07:42:26,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 07:42:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 07:42:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:26,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 07:42:26,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 07:42:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 07:42:26,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 07:42:26,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 07:42:26,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 07:42:26,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 07:42:26,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 07:42:26,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 07:42:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 07:42:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 07:42:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 07:42:26,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 07:42:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 07:42:26,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707846952] [2020-10-27 07:42:26,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 07:42:26,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 07:42:26,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574002185] [2020-10-27 07:42:26,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 07:42:26,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 07:42:26,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 07:42:26,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 07:42:26,482 INFO L87 Difference]: Start difference. First operand 389 states and 450 transitions. Second operand 11 states. [2020-10-27 07:42:26,806 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 07:42:31,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 07:42:31,600 INFO L93 Difference]: Finished difference Result 842 states and 1012 transitions. [2020-10-27 07:42:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 07:42:31,601 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 127 [2020-10-27 07:42:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 07:42:31,607 INFO L225 Difference]: With dead ends: 842 [2020-10-27 07:42:31,608 INFO L226 Difference]: Without dead ends: 476 [2020-10-27 07:42:31,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-27 07:42:31,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-10-27 07:42:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 386. [2020-10-27 07:42:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-10-27 07:42:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 445 transitions. [2020-10-27 07:42:31,719 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 445 transitions. Word has length 127 [2020-10-27 07:42:31,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 07:42:31,719 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 445 transitions. [2020-10-27 07:42:31,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 07:42:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 445 transitions. [2020-10-27 07:42:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 07:42:31,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 07:42:31,731 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 07:42:31,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 07:42:31,731 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 07:42:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 07:42:31,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1372230300, now seen corresponding path program 1 times [2020-10-27 07:42:31,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 07:42:31,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404592816] [2020-10-27 07:42:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 07:42:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 07:42:31,840 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 07:42:31,840 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 07:42:31,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 07:42:31,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:42:31 BoogieIcfgContainer [2020-10-27 07:42:31,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 07:42:31,890 INFO L168 Benchmark]: Toolchain (without parser) took 20035.47 ms. Allocated memory was 154.1 MB in the beginning and 358.6 MB in the end (delta: 204.5 MB). Free memory was 124.3 MB in the beginning and 128.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 201.6 MB. Max. memory is 8.0 GB. [2020-10-27 07:42:31,891 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 07:42:31,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1729.71 ms. Allocated memory is still 154.1 MB. Free memory was 123.7 MB in the beginning and 114.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 51.3 MB. Max. memory is 8.0 GB. [2020-10-27 07:42:31,893 INFO L168 Benchmark]: Boogie Preprocessor took 240.00 ms. Allocated memory is still 154.1 MB. Free memory was 114.3 MB in the beginning and 103.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-27 07:42:31,895 INFO L168 Benchmark]: RCFGBuilder took 3149.60 ms. Allocated memory was 154.1 MB in the beginning and 220.2 MB in the end (delta: 66.1 MB). Free memory was 103.3 MB in the beginning and 150.6 MB in the end (delta: -47.3 MB). Peak memory consumption was 86.4 MB. Max. memory is 8.0 GB. [2020-10-27 07:42:31,897 INFO L168 Benchmark]: TraceAbstraction took 14900.88 ms. Allocated memory was 220.2 MB in the beginning and 358.6 MB in the end (delta: 138.4 MB). Free memory was 150.0 MB in the beginning and 128.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 160.3 MB. Max. memory is 8.0 GB. [2020-10-27 07:42:31,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1729.71 ms. Allocated memory is still 154.1 MB. Free memory was 123.7 MB in the beginning and 114.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 51.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 240.00 ms. Allocated memory is still 154.1 MB. Free memory was 114.3 MB in the beginning and 103.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3149.60 ms. Allocated memory was 154.1 MB in the beginning and 220.2 MB in the end (delta: 66.1 MB). Free memory was 103.3 MB in the beginning and 150.6 MB in the end (delta: -47.3 MB). Peak memory consumption was 86.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14900.88 ms. Allocated memory was 220.2 MB in the beginning and 358.6 MB in the end (delta: 138.4 MB). Free memory was 150.0 MB in the beginning and 128.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 160.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4185. Possible FailurePath: [L3648] static int major ; [L3649] static int index ; [L3974-L3975] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4173-L4174] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4175-L4178] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4179-L4180] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4202] struct virtio_device_id const __mod_virtio_device_table ; [L4207] int LDV_IN_INTERRUPT ; [L4348] int ldv_blk_rq = 0; [L4210] struct block_device *var_group1 ; [L4211] fmode_t var_virtblk_ioctl_5_p1 ; [L4212] unsigned int var_virtblk_ioctl_5_p2 ; [L4213] unsigned long var_virtblk_ioctl_5_p3 ; [L4214] struct hd_geometry *var_group2 ; [L4215] int tmp ; [L4216] int tmp___0 ; [L4217] int tmp___1 ; [L4219] LDV_IN_INTERRUPT = 1 [L4220] FCALL ldv_initialize() [L4221] FCALL ldv_handler_precall() [L4222] CALL, EXPR init() [L4183] int tmp ; [L4185] CALL, EXPR register_blkdev(0U, "virtblk") [L4531] return __VERIFIER_nondet_int(); [L4185] RET, EXPR register_blkdev(0U, "virtblk") [L4185] major = register_blkdev(0U, "virtblk") [L4186] COND FALSE !(major < 0) [L4190] CALL, EXPR register_virtio_driver(& virtio_blk) [L4535] return __VERIFIER_nondet_int(); [L4190] RET, EXPR register_virtio_driver(& virtio_blk) [L4190] tmp = register_virtio_driver(& virtio_blk) [L4191] return (tmp); [L4222] RET, EXPR init() [L4222] tmp = init() [L4223] COND FALSE !(tmp != 0) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND TRUE tmp___1 != 0 [L4229] tmp___0 = __VERIFIER_nondet_int() [L4231] case 0: [L4232] FCALL ldv_handler_precall() [L4233] CALL virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L3912] struct gendisk *disk ; [L3913] struct virtio_blk *vblk ; [L3914] void *usr_data ; [L3915] char id_str[20U] ; [L3916] int err ; [L3917] int tmp ; [L3918] bool tmp___0 ; [L3919] int tmp___1 ; [L3920] int tmp___2 ; [L3922] EXPR bdev->bd_disk [L3922] disk = bdev->bd_disk [L3923] EXPR disk->private_data [L3923] vblk = (struct virtio_blk *)disk->private_data [L3924] COND TRUE cmd == 1447184708U [L3925] usr_data = (void *)data [L3926] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3879] struct virtio_blk *vblk ; [L3880] struct request *req ; [L3881] struct bio *bio ; [L3882] long tmp ; [L3883] long tmp___0 ; [L3884] long tmp___1 ; [L3885] long tmp___2 ; [L3886] int tmp___3 ; [L3888] EXPR disk->private_data [L3888] vblk = (struct virtio_blk *)disk->private_data [L3889] EXPR vblk->disk [L3889] EXPR (vblk->disk)->queue [L3889] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4427] CALL, EXPR ldv_malloc(sizeof(struct bio)) [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); [L4427] RET, EXPR ldv_malloc(sizeof(struct bio)) [L4427] return ldv_malloc(sizeof(struct bio)); [L3889] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3889] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3890] CALL, EXPR IS_ERR((void const *)bio) [L4274] long tmp ; [L4276] CALL, EXPR ldv_is_err(ptr) [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3890] RET, EXPR IS_ERR((void const *)bio) [L3890] tmp___0 = IS_ERR((void const *)bio) [L3891] COND FALSE !(tmp___0 != 0L) [L3896] EXPR vblk->disk [L3896] EXPR (vblk->disk)->queue [L3896] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4283] ldv_func_ret_type___3 ldv_func_res ; [L4284] struct request *tmp ; [L4286] CALL, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4443] CALL, EXPR ldv_malloc(sizeof(struct request)) [L3456] COND FALSE !(__VERIFIER_nondet_int()) [L3461] return ((void *)0); [L4443] RET, EXPR ldv_malloc(sizeof(struct request)) [L4443] return ldv_malloc(sizeof(struct request)); [L4286] RET, EXPR blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4286] tmp = blk_make_request(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4287] ldv_func_res = tmp [L4288] CALL ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4351] long tmp ; [L4353] COND TRUE ldv_blk_rq == 0 [L4357] COND TRUE (mask == 16U || mask == 208U) || mask == 16U [L4358] ldv_blk_rq = 1 [L4288] RET ldv_get_blk_rq(ldv_func_res, ldv_func_arg3) [L4289] return (ldv_func_res); [L3896] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3896] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3897] CALL, EXPR IS_ERR((void const *)req) [L4274] long tmp ; [L4276] CALL, EXPR ldv_is_err(ptr) [L4307] return ((unsigned long )ptr > 2012UL); [L4276] RET, EXPR ldv_is_err(ptr) [L4276] tmp = ldv_is_err(ptr) [L4277] return (tmp); [L3897] RET, EXPR IS_ERR((void const *)req) [L3897] tmp___2 = IS_ERR((void const *)req) [L3898] COND FALSE !(tmp___2 != 0L) [L3904] req->cmd_type = 7 [L3905] EXPR vblk->disk [L3905] EXPR (vblk->disk)->queue [L3905] EXPR vblk->disk [L3905] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4437] return __VERIFIER_nondet_int(); [L3905] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3905] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3906] return (tmp___3); [L3926] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3926] err = virtblk_get_id(disk, (char *)(& id_str)) [L3927] COND FALSE !(err == 0) [L3935] return (err); [L3935] return (err); [L4233] RET virtblk_ioctl(var_group1, var_virtblk_ioctl_5_p1, var_virtblk_ioctl_5_p2, var_virtblk_ioctl_5_p3) [L4244] tmp___1 = __VERIFIER_nondet_int() [L4245] COND FALSE !(tmp___1 != 0) [L4249] FCALL ldv_handler_precall() [L4250] CALL fini() [L4197] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4198] FCALL unregister_virtio_driver(& virtio_blk) [L4250] RET fini() [L4252] CALL ldv_check_final_state() [L4385] COND FALSE !(ldv_blk_rq == 0) [L4387] CALL ldv_error() [L4295] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "m0_drivers-block-virtio_blk-ko--101_1a--39a1d13-1.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 121 procedures, 822 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.7s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 474 SDtfs, 788 SDslu, 376 SDs, 0 SdLazy, 1621 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=812occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 127 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 47227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...