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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:16:46,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:16:46,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:16:46,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:16:46,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:16:46,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:16:46,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:16:46,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:16:46,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:16:46,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:16:46,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:16:46,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:16:46,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:16:46,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:16:46,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:16:46,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:16:46,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:16:46,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:16:46,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:16:46,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:16:46,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:16:46,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:16:46,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:16:46,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:16:46,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:16:46,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:16:46,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:16:46,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:16:46,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:16:46,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:16:46,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:16:46,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:16:46,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:16:46,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:16:46,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:16:46,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:16:46,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:16:46,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:16:46,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:16:46,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:16:46,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:16:46,438 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 [2019-10-03 02:16:46,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:16:46,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:16:46,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:16:46,463 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:16:46,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:16:46,464 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:16:46,465 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:16:46,465 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:16:46,465 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:16:46,465 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:16:46,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:16:46,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:16:46,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:16:46,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:16:46,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:16:46,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:16:46,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:16:46,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:16:46,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:16:46,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:16:46,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:16:46,470 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:16:46,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:16:46,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:16:46,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:16:46,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:16:46,472 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:16:46,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:16:46,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:16:46,472 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:16:46,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:16:46,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:16:46,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:16:46,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:16:46,543 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:16:46,544 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-03 02:16:46,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196999f11/46e907e2c7ff44af953e08a49c18e446/FLAGb3705a3a2 [2019-10-03 02:16:47,629 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:16:47,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-03 02:16:47,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196999f11/46e907e2c7ff44af953e08a49c18e446/FLAGb3705a3a2 [2019-10-03 02:16:47,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/196999f11/46e907e2c7ff44af953e08a49c18e446 [2019-10-03 02:16:48,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:16:48,011 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:16:48,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:16:48,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:16:48,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:16:48,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:16:48" (1/1) ... [2019-10-03 02:16:48,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e149e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:48, skipping insertion in model container [2019-10-03 02:16:48,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:16:48" (1/1) ... [2019-10-03 02:16:48,027 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:16:48,218 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:16:51,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:16:51,637 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:16:52,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:16:53,106 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:16:53,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53 WrapperNode [2019-10-03 02:16:53,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:16:53,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:16:53,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:16:53,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:16:53,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... [2019-10-03 02:16:53,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... [2019-10-03 02:16:53,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... [2019-10-03 02:16:53,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... [2019-10-03 02:16:53,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... [2019-10-03 02:16:53,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... [2019-10-03 02:16:53,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... [2019-10-03 02:16:53,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:16:53,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:16:53,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:16:53,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:16:53,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:16:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:16:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:16:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 02:16:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 02:16:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-03 02:16:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 02:16:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 02:16:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 02:16:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 02:16:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 02:16:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 02:16:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 02:16:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 02:16:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 02:16:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 02:16:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-03 02:16:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2019-10-03 02:16:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2019-10-03 02:16:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-03 02:16:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 02:16:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 02:16:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 02:16:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-03 02:16:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_6 [2019-10-03 02:16:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-03 02:16:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-03 02:16:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_10 [2019-10-03 02:16:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-03 02:16:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:16:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_feature [2019-10-03 02:16:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 02:16:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 02:16:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2019-10-03 02:16:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2019-10-03 02:16:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-03 02:16:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-03 02:16:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2019-10-03 02:16:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2019-10-03 02:16:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-03 02:16:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2019-10-03 02:16:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-03 02:16:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-03 02:16:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-03 02:16:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-03 02:16:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-03 02:16:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_after [2019-10-03 02:16:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-03 02:16:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head [2019-10-03 02:16:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2019-10-03 02:16:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-03 02:16:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2019-10-03 02:16:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-03 02:16:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-03 02:16:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-03 02:16:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-10-03 02:16:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_purge [2019-10-03 02:16:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-03 02:16:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_linearize [2019-10-03 02:16:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_linearize [2019-10-03 02:16:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_has_frag_list [2019-10-03 02:16:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2019-10-03 02:16:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-10-03 02:16:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2019-10-03 02:16:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2019-10-03 02:16:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2019-10-03 02:16:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-03 02:16:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-03 02:16:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2019-10-03 02:16:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-10-03 02:16:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-03 02:16:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_synchronize [2019-10-03 02:16:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-03 02:16:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 02:16:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-03 02:16:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2019-10-03 02:16:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-03 02:16:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-03 02:16:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-03 02:16:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-03 02:16:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-03 02:16:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-03 02:16:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure net_gso_ok [2019-10-03 02:16:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_gso_ok [2019-10-03 02:16:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_needs_gso [2019-10-03 02:16:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __pfn_to_mfn [2019-10-03 02:16:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2019-10-03 02:16:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure page_to_mfn [2019-10-03 02:16:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2019-10-03 02:16:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_is_link [2019-10-03 02:16:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2019-10-03 02:16:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2019-10-03 02:16:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2019-10-03 02:16:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2019-10-03 02:16:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2019-10-03 02:16:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2019-10-03 02:16:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_timeout [2019-10-03 02:16:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2019-10-03 02:16:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_maybe_wake_tx [2019-10-03 02:16:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_one_rx_buffer [2019-10-03 02:16:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2019-10-03 02:16:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_open [2019-10-03 02:16:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2019-10-03 02:16:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2019-10-03 02:16:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2019-10-03 02:16:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_count_skb_slots [2019-10-03 02:16:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2019-10-03 02:16:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_start_xmit [2019-10-03 02:16:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_close [2019-10-03 02:16:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_move_rx_slot [2019-10-03 02:16:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_extras [2019-10-03 02:16:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_responses [2019-10-03 02:16:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_skb_gso [2019-10-03 02:16:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fill_frags [2019-10-03 02:16:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum_setup [2019-10-03 02:16:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_incoming_queue [2019-10-03 02:16:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll [2019-10-03 02:16:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2019-10-03 02:16:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2019-10-03 02:16:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2019-10-03 02:16:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_rx_bufs [2019-10-03 02:16:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2019-10-03 02:16:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2019-10-03 02:16:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2019-10-03 02:16:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2019-10-03 02:16:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2019-10-03 02:16:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2019-10-03 02:16:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2019-10-03 02:16:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_dev [2019-10-03 02:16:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_probe [2019-10-03 02:16:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2019-10-03 02:16:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2019-10-03 02:16:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_resume [2019-10-03 02:16:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_mac [2019-10-03 02:16:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_single [2019-10-03 02:16:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_split [2019-10-03 02:16:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront [2019-10-03 02:16:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_init_queue [2019-10-03 02:16:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2019-10-03 02:16:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2019-10-03 02:16:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_queues [2019-10-03 02:16:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure talk_to_netback [2019-10-03 02:16:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_connect [2019-10-03 02:16:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2019-10-03 02:16:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_sset_count [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_ethtool_stats [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_strings [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_init [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_exit [2019-10-03 02:16:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_5 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_7 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-03 02:16:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_6 [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_xenbus_driver_2 [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_4 [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 02:16:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-03 02:16:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-03 02:16:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_37 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_38 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_39 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2019-10-03 02:16:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_42 [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_44 [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 02:16:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 02:16:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 02:16:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:16:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 02:16:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 02:16:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 02:16:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 02:16:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2019-10-03 02:16:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-03 02:16:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-03 02:16:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-03 02:16:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-03 02:16:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-03 02:16:53,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_page_tail [2019-10-03 02:16:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-03 02:16:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-03 02:16:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-10-03 02:16:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 02:16:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_get_hash [2019-10-03 02:16:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __xenbus_register_frontend [2019-10-03 02:16:53,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:16:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_page [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-03 02:16:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2019-10-03 02:16:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_query_foreign_access [2019-10-03 02:16:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_7 [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_7 [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_2 [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-03 02:16:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-03 02:16:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-03 02:16:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2019-10-03 02:16:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-03 02:16:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-03 02:16:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notify_peers [2019-10-03 02:16:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2019-10-03 02:16:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-03 02:16:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-03 02:16:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-03 02:16:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2019-10-03 02:16:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2019-10-03 02:16:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_skb_features [2019-10-03 02:16:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2019-10-03 02:16:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_setup [2019-10-03 02:16:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_has_pv_nic_devices [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_frontend_closed [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2019-10-03 02:16:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_start [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unregister_driver [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2019-10-03 02:16:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 02:16:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 02:16:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 02:16:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 02:16:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 02:16:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:16:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-03 02:16:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 02:16:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 02:16:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 02:16:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 02:16:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 02:16:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-03 02:16:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 02:16:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-03 02:16:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-03 02:16:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 02:16:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-03 02:16:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_6 [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-03 02:16:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_10 [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 02:16:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure dump_page [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure xen_feature [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-03 02:16:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_38 [2019-10-03 02:16:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2019-10-03 02:16:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-03 02:16:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-03 02:16:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 02:16:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:16:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_37 [2019-10-03 02:16:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-03 02:16:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 02:16:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 02:16:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-03 02:16:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_5 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_7 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_6 [2019-10-03 02:16:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_xenbus_driver_2 [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_4 [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 02:16:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-03 02:16:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 02:16:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2019-10-03 02:16:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure __get_page_tail [2019-10-03 02:16:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2019-10-03 02:16:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:16:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-03 02:16:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-03 02:16:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_get_hash [2019-10-03 02:16:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-03 02:16:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2019-10-03 02:16:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-03 02:16:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_after [2019-10-03 02:16:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-10-03 02:16:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_purge [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_39 [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-03 02:16:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_linearize [2019-10-03 02:16:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_linearize [2019-10-03 02:16:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_has_frag_list [2019-10-03 02:16:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2019-10-03 02:16:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-10-03 02:16:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_setup [2019-10-03 02:16:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-03 02:16:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-10-03 02:16:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure napi_synchronize [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-03 02:16:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-03 02:16:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-03 02:16:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-03 02:16:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-03 02:16:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_42 [2019-10-03 02:16:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-03 02:16:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_44 [2019-10-03 02:16:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notify_peers [2019-10-03 02:16:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2019-10-03 02:16:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_skb_features [2019-10-03 02:16:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure net_gso_ok [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_gso_ok [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_needs_gso [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-03 02:16:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure __xenbus_register_frontend [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unregister_driver [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_start [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2019-10-03 02:16:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_frontend_closed [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2019-10-03 02:16:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_query_foreign_access [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2019-10-03 02:16:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure __pfn_to_mfn [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure page_to_mfn [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure xen_has_pv_nic_devices [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_is_link [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2019-10-03 02:16:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2019-10-03 02:16:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2019-10-03 02:16:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2019-10-03 02:16:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2019-10-03 02:16:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2019-10-03 02:16:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_timeout [2019-10-03 02:16:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2019-10-03 02:16:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_maybe_wake_tx [2019-10-03 02:16:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_one_rx_buffer [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_open [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_count_skb_slots [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2019-10-03 02:16:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_start_xmit [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_close [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_move_rx_slot [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_extras [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_responses [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_skb_gso [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fill_frags [2019-10-03 02:16:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure checksum_setup [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure handle_incoming_queue [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_rx_bufs [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2019-10-03 02:16:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_dev [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_probe [2019-10-03 02:16:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_resume [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_mac [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_single [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_split [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_init_queue [2019-10-03 02:16:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_queues [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure talk_to_netback [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_connect [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_sset_count [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_ethtool_stats [2019-10-03 02:16:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_strings [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_init [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_exit [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_7 [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_7 [2019-10-03 02:16:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_2 [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 02:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 02:16:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:16:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 02:16:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 02:16:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 02:16:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 02:16:55,292 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 02:17:04,611 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:17:04,611 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 02:17:04,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:17:04 BoogieIcfgContainer [2019-10-03 02:17:04,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:17:04,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:17:04,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:17:04,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:17:04,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:16:48" (1/3) ... [2019-10-03 02:17:04,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb3fc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:17:04, skipping insertion in model container [2019-10-03 02:17:04,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:16:53" (2/3) ... [2019-10-03 02:17:04,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb3fc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:17:04, skipping insertion in model container [2019-10-03 02:17:04,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:17:04" (3/3) ... [2019-10-03 02:17:04,630 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-03 02:17:04,642 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:17:04,658 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:17:04,676 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:17:04,707 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:17:04,707 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:17:04,707 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:17:04,707 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:17:04,707 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:17:04,707 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:17:04,707 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:17:04,708 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:17:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states. [2019-10-03 02:17:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-10-03 02:17:04,821 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:04,823 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:04,825 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:04,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:04,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1571993607, now seen corresponding path program 1 times [2019-10-03 02:17:04,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:04,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:04,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:04,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:04,947 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2019-10-03 02:17:06,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:06,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:17:06,374 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:06,381 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:17:06,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:17:06,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:06,400 INFO L87 Difference]: Start difference. First operand 2457 states. Second operand 3 states. [2019-10-03 02:17:07,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:07,172 INFO L93 Difference]: Finished difference Result 3422 states and 4375 transitions. [2019-10-03 02:17:07,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:17:07,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2019-10-03 02:17:07,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:07,240 INFO L225 Difference]: With dead ends: 3422 [2019-10-03 02:17:07,240 INFO L226 Difference]: Without dead ends: 3350 [2019-10-03 02:17:07,242 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3350 states. [2019-10-03 02:17:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3350 to 3316. [2019-10-03 02:17:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3316 states. [2019-10-03 02:17:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4234 transitions. [2019-10-03 02:17:07,560 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4234 transitions. Word has length 387 [2019-10-03 02:17:07,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:07,566 INFO L475 AbstractCegarLoop]: Abstraction has 3316 states and 4234 transitions. [2019-10-03 02:17:07,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:17:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4234 transitions. [2019-10-03 02:17:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-10-03 02:17:07,582 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:07,583 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:07,583 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:07,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:07,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2081788673, now seen corresponding path program 1 times [2019-10-03 02:17:07,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:07,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:07,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:07,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:07,606 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2019-10-03 02:17:08,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:08,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:17:08,415 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:08,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:17:08,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:17:08,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:08,422 INFO L87 Difference]: Start difference. First operand 3316 states and 4234 transitions. Second operand 3 states. [2019-10-03 02:17:08,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:08,787 INFO L93 Difference]: Finished difference Result 4670 states and 5960 transitions. [2019-10-03 02:17:08,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:17:08,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 384 [2019-10-03 02:17:08,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:08,824 INFO L225 Difference]: With dead ends: 4670 [2019-10-03 02:17:08,824 INFO L226 Difference]: Without dead ends: 4670 [2019-10-03 02:17:08,825 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:08,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4670 states. [2019-10-03 02:17:08,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4670 to 4665. [2019-10-03 02:17:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4665 states. [2019-10-03 02:17:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4665 states to 4665 states and 5956 transitions. [2019-10-03 02:17:08,990 INFO L78 Accepts]: Start accepts. Automaton has 4665 states and 5956 transitions. Word has length 384 [2019-10-03 02:17:08,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:08,992 INFO L475 AbstractCegarLoop]: Abstraction has 4665 states and 5956 transitions. [2019-10-03 02:17:08,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:17:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4665 states and 5956 transitions. [2019-10-03 02:17:09,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2019-10-03 02:17:09,007 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:09,007 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:09,008 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:09,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:09,008 INFO L82 PathProgramCache]: Analyzing trace with hash 2061194668, now seen corresponding path program 1 times [2019-10-03 02:17:09,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:09,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:09,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:09,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:09,027 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2408 trivial. 0 not checked. [2019-10-03 02:17:10,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:10,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:17:10,173 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:10,174 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:17:10,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:17:10,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:10,175 INFO L87 Difference]: Start difference. First operand 4665 states and 5956 transitions. Second operand 3 states. [2019-10-03 02:17:10,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:10,270 INFO L93 Difference]: Finished difference Result 4687 states and 5986 transitions. [2019-10-03 02:17:10,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:17:10,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 489 [2019-10-03 02:17:10,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:10,301 INFO L225 Difference]: With dead ends: 4687 [2019-10-03 02:17:10,302 INFO L226 Difference]: Without dead ends: 4687 [2019-10-03 02:17:10,302 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:10,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4687 states. [2019-10-03 02:17:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4687 to 4675. [2019-10-03 02:17:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4675 states. [2019-10-03 02:17:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4675 states to 4675 states and 5970 transitions. [2019-10-03 02:17:10,483 INFO L78 Accepts]: Start accepts. Automaton has 4675 states and 5970 transitions. Word has length 489 [2019-10-03 02:17:10,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:10,488 INFO L475 AbstractCegarLoop]: Abstraction has 4675 states and 5970 transitions. [2019-10-03 02:17:10,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:17:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 4675 states and 5970 transitions. [2019-10-03 02:17:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2019-10-03 02:17:10,513 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:10,514 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:10,516 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:10,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1283402299, now seen corresponding path program 1 times [2019-10-03 02:17:10,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:10,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:10,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:10,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:10,537 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2403 trivial. 0 not checked. [2019-10-03 02:17:11,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:11,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:17:11,292 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:11,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:17:11,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:17:11,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:11,295 INFO L87 Difference]: Start difference. First operand 4675 states and 5970 transitions. Second operand 3 states. [2019-10-03 02:17:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:13,954 INFO L93 Difference]: Finished difference Result 7605 states and 9683 transitions. [2019-10-03 02:17:13,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:17:13,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 494 [2019-10-03 02:17:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:14,008 INFO L225 Difference]: With dead ends: 7605 [2019-10-03 02:17:14,008 INFO L226 Difference]: Without dead ends: 7605 [2019-10-03 02:17:14,009 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:14,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2019-10-03 02:17:14,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7583. [2019-10-03 02:17:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7583 states. [2019-10-03 02:17:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7583 states to 7583 states and 9660 transitions. [2019-10-03 02:17:14,349 INFO L78 Accepts]: Start accepts. Automaton has 7583 states and 9660 transitions. Word has length 494 [2019-10-03 02:17:14,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:14,351 INFO L475 AbstractCegarLoop]: Abstraction has 7583 states and 9660 transitions. [2019-10-03 02:17:14,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:17:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 7583 states and 9660 transitions. [2019-10-03 02:17:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2019-10-03 02:17:14,358 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:14,359 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:14,360 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:14,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:14,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1137219908, now seen corresponding path program 1 times [2019-10-03 02:17:14,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:14,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:14,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:14,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:14,388 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2408 trivial. 0 not checked. [2019-10-03 02:17:15,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:15,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:17:15,349 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:15,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:17:15,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:17:15,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:15,352 INFO L87 Difference]: Start difference. First operand 7583 states and 9660 transitions. Second operand 3 states. [2019-10-03 02:17:15,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:15,451 INFO L93 Difference]: Finished difference Result 8070 states and 10136 transitions. [2019-10-03 02:17:15,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:17:15,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 493 [2019-10-03 02:17:15,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:15,523 INFO L225 Difference]: With dead ends: 8070 [2019-10-03 02:17:15,523 INFO L226 Difference]: Without dead ends: 8070 [2019-10-03 02:17:15,526 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:15,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8070 states. [2019-10-03 02:17:15,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8070 to 8070. [2019-10-03 02:17:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8070 states. [2019-10-03 02:17:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8070 states to 8070 states and 10136 transitions. [2019-10-03 02:17:15,782 INFO L78 Accepts]: Start accepts. Automaton has 8070 states and 10136 transitions. Word has length 493 [2019-10-03 02:17:15,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:15,784 INFO L475 AbstractCegarLoop]: Abstraction has 8070 states and 10136 transitions. [2019-10-03 02:17:15,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:17:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 8070 states and 10136 transitions. [2019-10-03 02:17:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2019-10-03 02:17:15,830 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:15,831 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:15,831 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:15,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:15,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1802206257, now seen corresponding path program 1 times [2019-10-03 02:17:15,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:15,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:15,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:15,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:15,861 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2634 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2626 trivial. 0 not checked. [2019-10-03 02:17:16,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:16,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:17:16,901 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:16,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:17:16,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:17:16,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:16,903 INFO L87 Difference]: Start difference. First operand 8070 states and 10136 transitions. Second operand 3 states. [2019-10-03 02:17:19,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:19,650 INFO L93 Difference]: Finished difference Result 11675 states and 14605 transitions. [2019-10-03 02:17:19,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:17:19,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 580 [2019-10-03 02:17:19,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:19,711 INFO L225 Difference]: With dead ends: 11675 [2019-10-03 02:17:19,711 INFO L226 Difference]: Without dead ends: 11675 [2019-10-03 02:17:19,711 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:17:19,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11675 states. [2019-10-03 02:17:19,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11675 to 11636. [2019-10-03 02:17:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11636 states. [2019-10-03 02:17:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11636 states to 11636 states and 14563 transitions. [2019-10-03 02:17:20,025 INFO L78 Accepts]: Start accepts. Automaton has 11636 states and 14563 transitions. Word has length 580 [2019-10-03 02:17:20,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:20,026 INFO L475 AbstractCegarLoop]: Abstraction has 11636 states and 14563 transitions. [2019-10-03 02:17:20,026 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:17:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 11636 states and 14563 transitions. [2019-10-03 02:17:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2019-10-03 02:17:20,064 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:20,065 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:20,066 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:20,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:20,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1152486870, now seen corresponding path program 1 times [2019-10-03 02:17:20,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:20,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:20,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:20,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:20,083 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2654 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2641 trivial. 0 not checked. [2019-10-03 02:17:22,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:22,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:17:22,081 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:22,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:17:22,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:17:22,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:17:22,083 INFO L87 Difference]: Start difference. First operand 11636 states and 14563 transitions. Second operand 5 states. [2019-10-03 02:17:24,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:24,662 INFO L93 Difference]: Finished difference Result 11681 states and 14599 transitions. [2019-10-03 02:17:24,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:17:24,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 604 [2019-10-03 02:17:24,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:24,700 INFO L225 Difference]: With dead ends: 11681 [2019-10-03 02:17:24,700 INFO L226 Difference]: Without dead ends: 11636 [2019-10-03 02:17:24,700 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:17:24,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11636 states. [2019-10-03 02:17:25,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11636 to 11636. [2019-10-03 02:17:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11636 states. [2019-10-03 02:17:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11636 states to 11636 states and 14545 transitions. [2019-10-03 02:17:25,057 INFO L78 Accepts]: Start accepts. Automaton has 11636 states and 14545 transitions. Word has length 604 [2019-10-03 02:17:25,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:25,057 INFO L475 AbstractCegarLoop]: Abstraction has 11636 states and 14545 transitions. [2019-10-03 02:17:25,057 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:17:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 11636 states and 14545 transitions. [2019-10-03 02:17:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2019-10-03 02:17:25,089 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:25,090 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:25,090 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:25,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:25,091 INFO L82 PathProgramCache]: Analyzing trace with hash 219566466, now seen corresponding path program 1 times [2019-10-03 02:17:25,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:25,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:25,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:25,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:25,108 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2654 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2638 trivial. 0 not checked. [2019-10-03 02:17:27,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:27,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-03 02:17:27,130 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:27,132 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-03 02:17:27,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-03 02:17:27,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-03 02:17:27,133 INFO L87 Difference]: Start difference. First operand 11636 states and 14545 transitions. Second operand 16 states. [2019-10-03 02:17:27,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:27,854 INFO L93 Difference]: Finished difference Result 11666 states and 14581 transitions. [2019-10-03 02:17:27,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-03 02:17:27,855 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 631 [2019-10-03 02:17:27,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:27,902 INFO L225 Difference]: With dead ends: 11666 [2019-10-03 02:17:27,902 INFO L226 Difference]: Without dead ends: 11666 [2019-10-03 02:17:27,903 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-10-03 02:17:27,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11666 states. [2019-10-03 02:17:28,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11666 to 11662. [2019-10-03 02:17:28,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11662 states. [2019-10-03 02:17:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11662 states to 11662 states and 14576 transitions. [2019-10-03 02:17:28,187 INFO L78 Accepts]: Start accepts. Automaton has 11662 states and 14576 transitions. Word has length 631 [2019-10-03 02:17:28,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:28,188 INFO L475 AbstractCegarLoop]: Abstraction has 11662 states and 14576 transitions. [2019-10-03 02:17:28,188 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-03 02:17:28,188 INFO L276 IsEmpty]: Start isEmpty. Operand 11662 states and 14576 transitions. [2019-10-03 02:17:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2019-10-03 02:17:28,227 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:28,228 INFO L411 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:28,228 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:28,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:28,229 INFO L82 PathProgramCache]: Analyzing trace with hash -884399703, now seen corresponding path program 1 times [2019-10-03 02:17:28,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:28,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:28,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:28,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:28,246 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2443 trivial. 0 not checked. [2019-10-03 02:17:29,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:17:29,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:17:29,279 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:29,280 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:17:29,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:17:29,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:17:29,281 INFO L87 Difference]: Start difference. First operand 11662 states and 14576 transitions. Second operand 6 states. [2019-10-03 02:17:29,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:29,502 INFO L93 Difference]: Finished difference Result 11776 states and 14726 transitions. [2019-10-03 02:17:29,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:17:29,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 667 [2019-10-03 02:17:29,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:29,544 INFO L225 Difference]: With dead ends: 11776 [2019-10-03 02:17:29,545 INFO L226 Difference]: Without dead ends: 11776 [2019-10-03 02:17:29,545 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:17:29,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11776 states. [2019-10-03 02:17:29,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11776 to 11686. [2019-10-03 02:17:29,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11686 states. [2019-10-03 02:17:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11686 states to 11686 states and 14600 transitions. [2019-10-03 02:17:29,796 INFO L78 Accepts]: Start accepts. Automaton has 11686 states and 14600 transitions. Word has length 667 [2019-10-03 02:17:29,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:29,797 INFO L475 AbstractCegarLoop]: Abstraction has 11686 states and 14600 transitions. [2019-10-03 02:17:29,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:17:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11686 states and 14600 transitions. [2019-10-03 02:17:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2019-10-03 02:17:29,826 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:17:29,828 INFO L411 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:17:29,828 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:17:29,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:29,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2097751101, now seen corresponding path program 1 times [2019-10-03 02:17:29,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:17:29,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:29,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:17:29,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:17:29,843 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:17:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:17:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2019-10-03 02:17:33,071 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:17:33,071 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:17:33,073 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 658 with the following transitions: [2019-10-03 02:17:33,079 INFO L207 CegarAbsIntRunner]: [16], [17], [119], [121], [122], [189], [195], [196], [197], [198], [206], [207], [261], [262], [263], [264], [380], [382], [383], [386], [440], [442], [443], [470], [471], [485], [491], [492], [624], [625], [725], [726], [727], [830], [832], [833], [1001], [1002], [1195], [1196], [1231], [1232], [1343], [1347], [1349], [1352], [1359], [1361], [1363], [1364], [1371], [1373], [1375], [1381], [1383], [1385], [1387], [1392], [1396], [1402], [1404], [1414], [1416], [1419], [1424], [1428], [1466], [1469], [1491], [1492], [1493], [1495], [1496], [1855], [1856], [2062], [2063], [2234], [2236], [2237], [2238], [2295], [2297], [2298], [2366], [2367], [2368], [2371], [2401], [2403], [2405], [2409], [2412], [2430], [2460], [2461], [2570], [2572], [2573], [2578], [2579], [2584], [2586], [2588], [2594], [2596], [2623], [2625], [2626], [2760], [2762], [2763], [2849], [2851], [2853], [2855], [2857], [2859], [2861], [2863], [2865], [2867], [2869], [2871], [2873], [2875], [2877], [2879], [2881], [2884], [2886], [2888], [2890], [2892], [2894], [2896], [2898], [2900], [2902], [2904], [2976], [3009], [3012], [3015], [3028], [3057], [3086], [3115], [3144], [3165], [3168], [3171], [3184], [3197], [3226], [3255], [3284], [3287], [3290], [3292], [3295], [3330], [3333], [3336], [3339], [3342], [3344], [3347], [3451], [3463], [3509], [3512], [3515], [3527], [3530], [3533], [3535], [3538], [3540], [3542], [3544], [3553], [3664], [3687], [3689], [3691], [3692], [3693], [3695], [3697], [3698], [3913], [3915], [3917], [3918], [3971], [3973], [3979], [3981], [3983], [3999], [4001], [4006], [4008], [4024], [4026], [4031], [4033], [4037], [4159], [4161], [4162], [4163], [4166], [4203], [4204], [4285], [4286], [4309], [4310], [4399], [4443], [4444], [4561], [4562], [4563], [4564], [4565], [4566], [4567], [4568], [4569], [4570], [4573], [4574], [4575], [4576], [4577], [4578], [4587], [4588], [4593], [4594], [4595], [4596], [4597], [4619], [4620], [4851], [4852], [4879], [4880], [4893], [4897], [4898], [4899], [4900], [4901], [4902], [4903], [4904], [4905], [4949], [4950], [4955], [4956], [4957], [4958], [4959], [4960], [4969], [4970], [4981], [4982], [5017], [5018], [5019], [5020], [5021], [5022], [5023], [5024], [5025], [5026], [5027], [5028], [5029], [5030], [5031], [5032], [5033], [5034], [5035], [5036], [5037], [5038], [5039], [5040], [5041], [5042], [5043], [5044], [5045], [5046], [5047], [5048], [5049], [5050], [5051], [5052], [5053], [5054], [5055], [5056], [5057], [5058], [5059], [5060], [5061], [5062], [5063], [5064], [5065], [5066], [5067], [5068], [5069], [5070], [5115], [5137], [5138], [5143], [5144], [5171], [5172], [5173], [5174], [5175], [5176], [5177], [5178], [5179], [5180], [5211], [5227], [5228], [5229], [5230], [5231], [5232], [5233], [5234], [5319], [5320], [5321], [5322], [5335], [5336], [5339], [5340], [5341], [5342], [5347], [5348], [5353], [5354], [5367], [5368], [5369], [5393], [5394], [5395], [5396], [5397], [5398] [2019-10-03 02:17:33,152 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:17:33,153 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:17:33,381 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:17:33,383 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 308 root evaluator evaluations with a maximum evaluation depth of 0. Performed 308 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 652 variables. [2019-10-03 02:17:33,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:17:33,389 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:17:33,608 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:17:33,608 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:17:33,627 INFO L420 sIntCurrentIteration]: We unified 656 AI predicates to 656 [2019-10-03 02:17:33,627 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:17:33,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:17:33,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 02:17:33,628 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:17:33,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:17:33,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:17:33,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:17:33,631 INFO L87 Difference]: Start difference. First operand 11686 states and 14600 transitions. Second operand 2 states. [2019-10-03 02:17:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:17:33,632 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:17:33,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:17:33,632 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 657 [2019-10-03 02:17:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:17:33,632 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:17:33,632 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:17:33,634 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:17:33,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:17:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:17:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:17:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:17:33,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 657 [2019-10-03 02:17:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:17:33,635 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:17:33,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:17:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:17:33,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:17:33,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:17:33 BoogieIcfgContainer [2019-10-03 02:17:33,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:17:33,646 INFO L168 Benchmark]: Toolchain (without parser) took 45633.00 ms. Allocated memory was 137.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 70.6 MB in the beginning and 677.8 MB in the end (delta: -607.2 MB). Peak memory consumption was 721.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:17:33,647 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 02:17:33,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5096.97 ms. Allocated memory was 137.9 MB in the beginning and 285.7 MB in the end (delta: 147.8 MB). Free memory was 70.4 MB in the beginning and 138.4 MB in the end (delta: -67.9 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:17:33,650 INFO L168 Benchmark]: Boogie Preprocessor took 385.26 ms. Allocated memory is still 285.7 MB. Free memory was 138.4 MB in the beginning and 98.5 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:17:33,656 INFO L168 Benchmark]: RCFGBuilder took 11119.73 ms. Allocated memory was 285.7 MB in the beginning and 627.0 MB in the end (delta: 341.3 MB). Free memory was 98.5 MB in the beginning and 260.9 MB in the end (delta: -162.4 MB). Peak memory consumption was 268.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:17:33,657 INFO L168 Benchmark]: TraceAbstraction took 29023.73 ms. Allocated memory was 627.0 MB in the beginning and 1.5 GB in the end (delta: 839.9 MB). Free memory was 260.9 MB in the beginning and 677.8 MB in the end (delta: -416.9 MB). Peak memory consumption was 423.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:17:33,669 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5096.97 ms. Allocated memory was 137.9 MB in the beginning and 285.7 MB in the end (delta: 147.8 MB). Free memory was 70.4 MB in the beginning and 138.4 MB in the end (delta: -67.9 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 385.26 ms. Allocated memory is still 285.7 MB. Free memory was 138.4 MB in the beginning and 98.5 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11119.73 ms. Allocated memory was 285.7 MB in the beginning and 627.0 MB in the end (delta: 341.3 MB). Free memory was 98.5 MB in the beginning and 260.9 MB in the end (delta: -162.4 MB). Peak memory consumption was 268.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29023.73 ms. Allocated memory was 627.0 MB in the beginning and 1.5 GB in the end (delta: 839.9 MB). Free memory was 260.9 MB in the beginning and 677.8 MB in the end (delta: -416.9 MB). Peak memory consumption was 423.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11075]: 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 306 procedures, 2543 locations, 1 error locations. SAFE Result, 28.9s OverallTime, 10 OverallIterations, 23 TraceHistogramMax, 10.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 27786 SDtfs, 9587 SDslu, 66224 SDs, 0 SdLazy, 538 SolverSat, 91 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 713 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11686occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.6036585365853657 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 206 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 5386 NumberOfCodeBlocks, 5386 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 5376 ConstructedInterpolants, 0 QuantifiedInterpolants, 3347016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 22954/23108 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...