java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:23:41,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:23:41,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:23:41,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:23:41,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:23:41,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:23:41,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:23:41,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:23:41,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:23:41,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:23:41,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:23:41,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:23:41,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:23:41,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:23:41,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:23:41,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:23:41,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:23:41,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:23:41,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:23:41,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:23:41,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:23:41,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:23:41,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:23:41,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:23:41,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:23:41,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:23:41,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:23:41,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:23:41,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:23:41,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:23:41,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:23:41,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:23:41,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:23:41,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:23:41,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:23:41,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:23:41,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:23:41,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:23:41,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:23:41,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:23:41,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:23:41,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:23:41,303 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:23:41,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:23:41,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:23:41,304 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:23:41,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:23:41,306 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:23:41,307 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:23:41,307 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:23:41,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:23:41,307 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:23:41,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:23:41,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:23:41,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:23:41,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:23:41,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:23:41,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:23:41,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:23:41,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:23:41,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:23:41,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:23:41,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:23:41,311 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:23:41,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:23:41,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:23:41,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:23:41,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:23:41,312 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:23:41,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:23:41,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:23:41,313 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:23:41,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:23:41,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:23:41,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:23:41,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:23:41,382 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:23:41,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-09-16 17:23:41,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce809f3fd/24d64cb6de154536a6a9c5dcb9680c6e/FLAG27ace5d3f [2019-09-16 17:23:42,202 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:23:42,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-09-16 17:23:42,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce809f3fd/24d64cb6de154536a6a9c5dcb9680c6e/FLAG27ace5d3f [2019-09-16 17:23:42,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce809f3fd/24d64cb6de154536a6a9c5dcb9680c6e [2019-09-16 17:23:42,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:23:42,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:23:42,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:23:42,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:23:42,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:23:42,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:23:42" (1/1) ... [2019-09-16 17:23:42,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f32a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:42, skipping insertion in model container [2019-09-16 17:23:42,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:23:42" (1/1) ... [2019-09-16 17:23:42,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:23:42,466 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:23:43,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:23:43,628 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:23:43,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:23:44,041 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:23:44,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44 WrapperNode [2019-09-16 17:23:44,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:23:44,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:23:44,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:23:44,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:23:44,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... [2019-09-16 17:23:44,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... [2019-09-16 17:23:44,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... [2019-09-16 17:23:44,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... [2019-09-16 17:23:44,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... [2019-09-16 17:23:44,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... [2019-09-16 17:23:44,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... [2019-09-16 17:23:44,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:23:44,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:23:44,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:23:44,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:23:44,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:23:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:23:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:23:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-16 17:23:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-16 17:23:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-16 17:23:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-16 17:23:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-16 17:23:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-09-16 17:23:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-16 17:23:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-16 17:23:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-16 17:23:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-16 17:23:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-16 17:23:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-09-16 17:23:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-09-16 17:23:44,527 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2019-09-16 17:23:44,527 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2019-09-16 17:23:44,527 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-16 17:23:44,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-09-16 17:23:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2019-09-16 17:23:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2019-09-16 17:23:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2019-09-16 17:23:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-09-16 17:23:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-09-16 17:23:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-09-16 17:23:44,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-09-16 17:23:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-16 17:23:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-09-16 17:23:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-16 17:23:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-16 17:23:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-16 17:23:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-16 17:23:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-16 17:23:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-16 17:23:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-16 17:23:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-16 17:23:44,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-16 17:23:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-16 17:23:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-09-16 17:23:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-09-16 17:23:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2019-09-16 17:23:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf [2019-09-16 17:23:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2019-09-16 17:23:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2019-09-16 17:23:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_find_single_vq [2019-09-16 17:23:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_done [2019-09-16 17:23:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure do_req [2019-09-16 17:23:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure do_virtblk_request [2019-09-16 17:23:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_prepare_flush [2019-09-16 17:23:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_id [2019-09-16 17:23:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_ioctl [2019-09-16 17:23:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_getgeo [2019-09-16 17:23:44,535 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2019-09-16 17:23:44,535 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_probe [2019-09-16 17:23:44,536 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2019-09-16 17:23:44,536 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-16 17:23:44,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fini [2019-09-16 17:23:44,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_virtio_driver_1 [2019-09-16 17:23:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_block_device_operations_2 [2019-09-16 17:23:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:23:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-16 17:23:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-16 17:23:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-16 17:23:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request_5 [2019-09-16 17:23:44,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-16 17:23:44,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-16 17:23:44,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-16 17:23:44,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-16 17:23:44,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-16 17:23:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR___0 [2019-09-16 17:23:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_get_request [2019-09-16 17:23:44,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blk_make_request [2019-09-16 17:23:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_blk_rq [2019-09-16 17:23:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:23:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2019-09-16 17:23:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-09-16 17:23:44,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-16 17:23:44,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-16 17:23:44,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-16 17:23:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-16 17:23:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-16 17:23:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:23:44,545 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2019-09-16 17:23:44,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-09-16 17:23:44,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_map_kern [2019-09-16 17:23:44,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-09-16 17:23:44,547 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2019-09-16 17:23:44,547 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2019-09-16 17:23:44,547 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2019-09-16 17:23:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2019-09-16 17:23:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_alignment_offset [2019-09-16 17:23:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_bounce_limit [2019-09-16 17:23:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_min [2019-09-16 17:23:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_io_opt [2019-09-16 17:23:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2019-09-16 17:23:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2019-09-16 17:23:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2019-09-16 17:23:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segments [2019-09-16 17:23:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2019-09-16 17:23:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_physical_block_size [2019-09-16 17:23:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_sg [2019-09-16 17:23:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2019-09-16 17:23:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2019-09-16 17:23:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2019-09-16 17:23:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-16 17:23:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2019-09-16 17:23:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:23:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-16 17:23:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-09-16 17:23:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-09-16 17:23:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-09-16 17:23:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-09-16 17:23:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-09-16 17:23:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-16 17:23:44,556 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-09-16 17:23:44,556 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2019-09-16 17:23:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure register_virtio_driver [2019-09-16 17:23:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2019-09-16 17:23:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure set_disk_ro [2019-09-16 17:23:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-09-16 17:23:44,559 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2019-09-16 17:23:44,559 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_virtio_driver [2019-09-16 17:23:44,559 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_check_driver_offered_feature [2019-09-16 17:23:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_add_buf_gfp [2019-09-16 17:23:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_get_buf [2019-09-16 17:23:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure virtqueue_kick [2019-09-16 17:23:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:23:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:23:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-16 17:23:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-16 17:23:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:23:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-16 17:23:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-16 17:23:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-16 17:23:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-16 17:23:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-16 17:23:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-09-16 17:23:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-16 17:23:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-16 17:23:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-16 17:23:44,572 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-16 17:23:44,572 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-16 17:23:44,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-16 17:23:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-16 17:23:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:23:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-16 17:23:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-16 17:23:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-09-16 17:23:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-16 17:23:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-16 17:23:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-16 17:23:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-16 17:23:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-16 17:23:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-16 17:23:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-09-16 17:23:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-09-16 17:23:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-09-16 17:23:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2019-09-16 17:23:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2019-09-16 17:23:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2019-09-16 17:23:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2019-09-16 17:23:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2019-09-16 17:23:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2019-09-16 17:23:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:23:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2019-09-16 17:23:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:23:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-09-16 17:23:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-09-16 17:23:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-16 17:23:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-16 17:23:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-09-16 17:23:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-09-16 17:23:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-09-16 17:23:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-09-16 17:23:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-09-16 17:23:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-09-16 17:23:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-09-16 17:23:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-09-16 17:23:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2019-09-16 17:23:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2019-09-16 17:23:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request_5 [2019-09-16 17:23:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2019-09-16 17:23:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2019-09-16 17:23:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2019-09-16 17:23:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2019-09-16 17:23:44,590 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2019-09-16 17:23:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2019-09-16 17:23:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2019-09-16 17:23:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2019-09-16 17:23:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2019-09-16 17:23:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2019-09-16 17:23:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2019-09-16 17:23:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2019-09-16 17:23:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2019-09-16 17:23:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2019-09-16 17:23:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2019-09-16 17:23:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2019-09-16 17:23:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2019-09-16 17:23:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2019-09-16 17:23:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2019-09-16 17:23:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2019-09-16 17:23:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2019-09-16 17:23:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2019-09-16 17:23:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_make_request [2019-09-16 17:23:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-16 17:23:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-16 17:23:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-16 17:23:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:23:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-09-16 17:23:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:23:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-09-16 17:23:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-09-16 17:23:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-09-16 17:23:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-09-16 17:23:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-16 17:23:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-16 17:23:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-09-16 17:23:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-09-16 17:23:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-16 17:23:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:23:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:23:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:23:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:23:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:23:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:23:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:23:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:23:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-16 17:23:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-16 17:23:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-16 17:23:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-16 17:23:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-16 17:23:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-16 17:23:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-16 17:23:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-16 17:23:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_virtio_driver_1 [2019-09-16 17:23:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_block_device_operations_2 [2019-09-16 17:23:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-09-16 17:23:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-09-16 17:23:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2019-09-16 17:23:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-09-16 17:23:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf_gfp [2019-09-16 17:23:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_add_buf [2019-09-16 17:23:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_kick [2019-09-16 17:23:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2019-09-16 17:23:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2019-09-16 17:23:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2019-09-16 17:23:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2019-09-16 17:23:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2019-09-16 17:23:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2019-09-16 17:23:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2019-09-16 17:23:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_find_single_vq [2019-09-16 17:23:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-16 17:23:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:23:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure blk_done [2019-09-16 17:23:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure do_req [2019-09-16 17:23:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure do_virtblk_request [2019-09-16 17:23:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_prepare_flush [2019-09-16 17:23:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_id [2019-09-16 17:23:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_ioctl [2019-09-16 17:23:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_getgeo [2019-09-16 17:23:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2019-09-16 17:23:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_probe [2019-09-16 17:23:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-16 17:23:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2019-09-16 17:23:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-16 17:23:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure fini [2019-09-16 17:23:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:23:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:23:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:23:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-16 17:23:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-16 17:23:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-16 17:23:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR___0 [2019-09-16 17:23:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blk_get_request [2019-09-16 17:23:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_blk_rq [2019-09-16 17:23:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:23:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:23:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:23:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:23:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:23:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:23:45,809 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-16 17:23:45,994 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-16 17:23:46,830 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:23:46,831 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:23:46,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:23:46 BoogieIcfgContainer [2019-09-16 17:23:46,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:23:46,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:23:46,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:23:46,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:23:46,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:23:42" (1/3) ... [2019-09-16 17:23:46,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384c7817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:23:46, skipping insertion in model container [2019-09-16 17:23:46,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:44" (2/3) ... [2019-09-16 17:23:46,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384c7817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:23:46, skipping insertion in model container [2019-09-16 17:23:46,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:23:46" (3/3) ... [2019-09-16 17:23:46,842 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2019-09-16 17:23:46,852 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:23:46,864 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:23:46,880 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:23:46,908 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:23:46,908 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:23:46,908 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:23:46,908 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:23:46,909 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:23:46,909 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:23:46,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:23:46,909 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:23:46,955 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states. [2019-09-16 17:23:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-09-16 17:23:46,972 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:46,973 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:23:46,977 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:46,983 INFO L82 PathProgramCache]: Analyzing trace with hash 470033525, now seen corresponding path program 1 times [2019-09-16 17:23:46,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:47,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:47,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:47,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:47,070 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:23:47,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:47,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:23:47,451 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:47,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:23:47,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:23:47,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:47,478 INFO L87 Difference]: Start difference. First operand 872 states. Second operand 3 states. [2019-09-16 17:23:47,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:47,683 INFO L93 Difference]: Finished difference Result 1429 states and 1711 transitions. [2019-09-16 17:23:47,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:23:47,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-09-16 17:23:47,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:47,720 INFO L225 Difference]: With dead ends: 1429 [2019-09-16 17:23:47,720 INFO L226 Difference]: Without dead ends: 1396 [2019-09-16 17:23:47,722 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2019-09-16 17:23:47,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1393. [2019-09-16 17:23:47,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2019-09-16 17:23:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1654 transitions. [2019-09-16 17:23:47,887 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1654 transitions. Word has length 43 [2019-09-16 17:23:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:47,888 INFO L475 AbstractCegarLoop]: Abstraction has 1393 states and 1654 transitions. [2019-09-16 17:23:47,888 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:23:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1654 transitions. [2019-09-16 17:23:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-09-16 17:23:47,896 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:47,897 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:23:47,897 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:47,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:47,897 INFO L82 PathProgramCache]: Analyzing trace with hash -170169456, now seen corresponding path program 1 times [2019-09-16 17:23:47,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:47,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:47,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:47,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:47,913 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:23:48,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:48,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:23:48,077 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:48,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:23:48,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:23:48,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:48,082 INFO L87 Difference]: Start difference. First operand 1393 states and 1654 transitions. Second operand 3 states. [2019-09-16 17:23:48,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:48,189 INFO L93 Difference]: Finished difference Result 2737 states and 3267 transitions. [2019-09-16 17:23:48,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:23:48,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-09-16 17:23:48,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:48,213 INFO L225 Difference]: With dead ends: 2737 [2019-09-16 17:23:48,213 INFO L226 Difference]: Without dead ends: 2723 [2019-09-16 17:23:48,224 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2019-09-16 17:23:48,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2723. [2019-09-16 17:23:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2723 states. [2019-09-16 17:23:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3251 transitions. [2019-09-16 17:23:48,426 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3251 transitions. Word has length 45 [2019-09-16 17:23:48,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:48,426 INFO L475 AbstractCegarLoop]: Abstraction has 2723 states and 3251 transitions. [2019-09-16 17:23:48,426 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:23:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3251 transitions. [2019-09-16 17:23:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-16 17:23:48,442 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:48,442 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:23:48,443 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:48,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:48,443 INFO L82 PathProgramCache]: Analyzing trace with hash -2139461480, now seen corresponding path program 1 times [2019-09-16 17:23:48,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:48,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:48,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:48,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:48,455 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-16 17:23:48,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:48,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:23:48,610 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:48,611 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:23:48,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:23:48,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:48,612 INFO L87 Difference]: Start difference. First operand 2723 states and 3251 transitions. Second operand 3 states. [2019-09-16 17:23:48,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:48,700 INFO L93 Difference]: Finished difference Result 4986 states and 5932 transitions. [2019-09-16 17:23:48,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:23:48,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-09-16 17:23:48,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:48,728 INFO L225 Difference]: With dead ends: 4986 [2019-09-16 17:23:48,729 INFO L226 Difference]: Without dead ends: 4986 [2019-09-16 17:23:48,729 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:23:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4986 states. [2019-09-16 17:23:48,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4986 to 4969. [2019-09-16 17:23:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4969 states. [2019-09-16 17:23:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4969 states to 4969 states and 5916 transitions. [2019-09-16 17:23:48,917 INFO L78 Accepts]: Start accepts. Automaton has 4969 states and 5916 transitions. Word has length 131 [2019-09-16 17:23:48,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:48,920 INFO L475 AbstractCegarLoop]: Abstraction has 4969 states and 5916 transitions. [2019-09-16 17:23:48,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:23:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 4969 states and 5916 transitions. [2019-09-16 17:23:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-16 17:23:48,936 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:48,936 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:23:48,936 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:48,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1659491696, now seen corresponding path program 1 times [2019-09-16 17:23:48,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:48,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:48,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:48,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:48,950 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-16 17:23:49,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:49,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:23:49,247 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:49,247 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:23:49,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:23:49,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:23:49,248 INFO L87 Difference]: Start difference. First operand 4969 states and 5916 transitions. Second operand 5 states. [2019-09-16 17:23:49,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:49,351 INFO L93 Difference]: Finished difference Result 4994 states and 5938 transitions. [2019-09-16 17:23:49,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:23:49,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2019-09-16 17:23:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:49,381 INFO L225 Difference]: With dead ends: 4994 [2019-09-16 17:23:49,382 INFO L226 Difference]: Without dead ends: 4984 [2019-09-16 17:23:49,382 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:23:49,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2019-09-16 17:23:49,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4976. [2019-09-16 17:23:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4976 states. [2019-09-16 17:23:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 5921 transitions. [2019-09-16 17:23:49,552 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 5921 transitions. Word has length 170 [2019-09-16 17:23:49,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:49,552 INFO L475 AbstractCegarLoop]: Abstraction has 4976 states and 5921 transitions. [2019-09-16 17:23:49,552 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:23:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 5921 transitions. [2019-09-16 17:23:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-16 17:23:49,563 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:49,563 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:23:49,564 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:49,564 INFO L82 PathProgramCache]: Analyzing trace with hash -609041587, now seen corresponding path program 1 times [2019-09-16 17:23:49,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:49,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:49,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:49,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:49,574 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-16 17:23:49,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:23:49,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:23:49,828 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:49,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:23:49,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:23:49,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:23:49,830 INFO L87 Difference]: Start difference. First operand 4976 states and 5921 transitions. Second operand 4 states. [2019-09-16 17:23:49,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:49,892 INFO L93 Difference]: Finished difference Result 4979 states and 5924 transitions. [2019-09-16 17:23:49,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 17:23:49,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 175 [2019-09-16 17:23:49,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:49,919 INFO L225 Difference]: With dead ends: 4979 [2019-09-16 17:23:49,919 INFO L226 Difference]: Without dead ends: 4977 [2019-09-16 17:23:49,919 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:23:49,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2019-09-16 17:23:50,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 4977. [2019-09-16 17:23:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4977 states. [2019-09-16 17:23:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 5922 transitions. [2019-09-16 17:23:50,078 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 5922 transitions. Word has length 175 [2019-09-16 17:23:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:50,078 INFO L475 AbstractCegarLoop]: Abstraction has 4977 states and 5922 transitions. [2019-09-16 17:23:50,079 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:23:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 5922 transitions. [2019-09-16 17:23:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-16 17:23:50,090 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:23:50,090 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:23:50,090 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:23:50,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:50,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1013008167, now seen corresponding path program 1 times [2019-09-16 17:23:50,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:23:50,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:50,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:23:50,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:23:50,103 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:23:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:23:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-16 17:23:50,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:23:50,336 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:23:50,337 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2019-09-16 17:23:50,341 INFO L207 CegarAbsIntRunner]: [303], [312], [313], [314], [316], [317], [320], [322], [326], [328], [329], [379], [380], [403], [408], [409], [422], [426], [428], [429], [434], [435], [476], [478], [481], [483], [535], [538], [541], [544], [547], [549], [553], [556], [559], [561], [564], [566], [575], [594], [597], [600], [603], [606], [608], [654], [655], [670], [677], [678], [679], [680], [746], [748], [749], [750], [753], [755], [768], [770], [786], [787], [788], [797], [798], [860], [862], [863], [911], [913], [914], [920], [923], [929], [932], [938], [943], [945], [946], [947], [948], [1012], [1014], [1015], [1051], [1053], [1055], [1061], [1063], [1065], [1072], [1074], [1075], [1368], [1372], [1375], [1379], [1383], [1385], [1386], [1437], [1438], [1439], [1440], [1441], [1442], [1469], [1470], [1471], [1472], [1473], [1474], [1481], [1482], [1483], [1484], [1485], [1486], [1487], [1488], [1491], [1492], [1499], [1503], [1504], [1505], [1506], [1539], [1540], [1541], [1542], [1561], [1562], [1577], [1578], [1583], [1584], [1587], [1588], [1611], [1612], [1619], [1620], [1621], [1622], [1625], [1626], [1627], [1628], [1633], [1634], [1741], [1745], [1746], [1747], [1749], [1750] [2019-09-16 17:23:50,396 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:23:50,396 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:23:50,469 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:23:50,470 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 55 root evaluator evaluations with a maximum evaluation depth of 0. Performed 55 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 112 variables. [2019-09-16 17:23:50,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:23:50,475 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:23:50,583 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:23:50,583 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:23:50,592 INFO L420 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2019-09-16 17:23:50,592 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:23:50,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:23:50,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-16 17:23:50,593 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:23:50,594 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:23:50,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:23:50,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:23:50,595 INFO L87 Difference]: Start difference. First operand 4977 states and 5922 transitions. Second operand 2 states. [2019-09-16 17:23:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:23:50,595 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:23:50,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:23:50,596 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 176 [2019-09-16 17:23:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:23:50,596 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:23:50,596 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:23:50,596 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:23:50,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:23:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:23:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:23:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:23:50,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-09-16 17:23:50,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:23:50,597 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:23:50,598 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:23:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:23:50,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:23:50,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:23:50 BoogieIcfgContainer [2019-09-16 17:23:50,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:23:50,607 INFO L168 Benchmark]: Toolchain (without parser) took 8281.59 ms. Allocated memory was 131.1 MB in the beginning and 405.3 MB in the end (delta: 274.2 MB). Free memory was 80.0 MB in the beginning and 142.2 MB in the end (delta: -62.2 MB). Peak memory consumption was 212.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:50,608 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:23:50,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1713.70 ms. Allocated memory was 131.1 MB in the beginning and 210.8 MB in the end (delta: 79.7 MB). Free memory was 79.5 MB in the beginning and 83.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:50,610 INFO L168 Benchmark]: Boogie Preprocessor took 328.07 ms. Allocated memory is still 210.8 MB. Free memory was 83.5 MB in the beginning and 72.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:50,612 INFO L168 Benchmark]: RCFGBuilder took 2460.23 ms. Allocated memory was 210.8 MB in the beginning and 281.5 MB in the end (delta: 70.8 MB). Free memory was 72.1 MB in the beginning and 167.3 MB in the end (delta: -95.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:50,613 INFO L168 Benchmark]: TraceAbstraction took 3770.00 ms. Allocated memory was 281.5 MB in the beginning and 405.3 MB in the end (delta: 123.7 MB). Free memory was 167.3 MB in the beginning and 142.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 148.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:23:50,622 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1713.70 ms. Allocated memory was 131.1 MB in the beginning and 210.8 MB in the end (delta: 79.7 MB). Free memory was 79.5 MB in the beginning and 83.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 328.07 ms. Allocated memory is still 210.8 MB. Free memory was 83.5 MB in the beginning and 72.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2460.23 ms. Allocated memory was 210.8 MB in the beginning and 281.5 MB in the end (delta: 70.8 MB). Free memory was 72.1 MB in the beginning and 167.3 MB in the end (delta: -95.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3770.00 ms. Allocated memory was 281.5 MB in the beginning and 405.3 MB in the end (delta: 123.7 MB). Free memory was 167.3 MB in the beginning and 142.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 148.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3560]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 130 procedures, 892 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4826 SDtfs, 2389 SDslu, 6882 SDs, 0 SdLazy, 48 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4977occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.177142857142857 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 740 NumberOfCodeBlocks, 740 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 734 ConstructedInterpolants, 0 QuantifiedInterpolants, 120523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 104/105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...