java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -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-f4eb214f-m [2019-10-13 21:00:55,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:00:55,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:00:55,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:00:55,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:00:55,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:00:55,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:00:55,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:00:55,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:00:55,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:00:55,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:00:55,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:00:55,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:00:55,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:00:55,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:00:55,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:00:55,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:00:55,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:00:55,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:00:55,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:00:55,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:00:55,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:00:55,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:00:55,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:00:55,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:00:55,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:00:55,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:00:55,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:00:55,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:00:55,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:00:55,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:00:55,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:00:55,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:00:55,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:00:55,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:00:55,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:00:55,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:00:55,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:00:55,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:00:55,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:00:55,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:00:55,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:00:55,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:00:55,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:00:55,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:00:55,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:00:55,616 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:00:55,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:00:55,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:00:55,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:00:55,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:00:55,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:00:55,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:00:55,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:00:55,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:00:55,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:00:55,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:00:55,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:00:55,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:00:55,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:00:55,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:00:55,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:00:55,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:00:55,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:00:55,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:00:55,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:00:55,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:00:55,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:00:55,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:00:55,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:00:55,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:00:55,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:00:56,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:00:56,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:00:56,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:00:56,008 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:00:56,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-13 21:00:56,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fc963f5/a9d2271503f543db8a753eab48e54b4a/FLAG62c4b3ffc [2019-10-13 21:00:56,990 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:00:56,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-13 21:00:57,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fc963f5/a9d2271503f543db8a753eab48e54b4a/FLAG62c4b3ffc [2019-10-13 21:00:57,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fc963f5/a9d2271503f543db8a753eab48e54b4a [2019-10-13 21:00:57,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:00:57,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:00:57,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:00:57,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:00:57,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:00:57,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:00:57" (1/1) ... [2019-10-13 21:00:57,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117a1523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:00:57, skipping insertion in model container [2019-10-13 21:00:57,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:00:57" (1/1) ... [2019-10-13 21:00:57,445 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:00:57,617 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:01:00,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:01:00,528 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:01:01,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:01:01,894 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:01:01,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01 WrapperNode [2019-10-13 21:01:01,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:01:01,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:01:01,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:01:01,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:01:01,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... [2019-10-13 21:01:01,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... [2019-10-13 21:01:02,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... [2019-10-13 21:01:02,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... [2019-10-13 21:01:02,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... [2019-10-13 21:01:02,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... [2019-10-13 21:01:02,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... [2019-10-13 21:01:02,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:01:02,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:01:02,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:01:02,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:01:02,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:01:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:01:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:01:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 21:01:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 21:01:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 21:01:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 21:01:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 21:01:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 21:01:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 21:01:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 21:01:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 21:01:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 21:01:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 21:01:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 21:01:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 21:01:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-13 21:01:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2019-10-13 21:01:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2019-10-13 21:01:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-13 21:01:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 21:01:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 21:01:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 21:01:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 21:01:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_6 [2019-10-13 21:01:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_8 [2019-10-13 21:01:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 21:01:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_10 [2019-10-13 21:01:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_11 [2019-10-13 21:01:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 21:01:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_feature [2019-10-13 21:01:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 21:01:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 21:01:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2019-10-13 21:01:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2019-10-13 21:01:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-10-13 21:01:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-10-13 21:01:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2019-10-13 21:01:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2019-10-13 21:01:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-13 21:01:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2019-10-13 21:01:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2019-10-13 21:01:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-10-13 21:01:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-10-13 21:01:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-10-13 21:01:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-10-13 21:01:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_after [2019-10-13 21:01:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-10-13 21:01:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head [2019-10-13 21:01:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2019-10-13 21:01:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-10-13 21:01:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2019-10-13 21:01:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-13 21:01:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-10-13 21:01:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 21:01:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-10-13 21:01:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_purge [2019-10-13 21:01:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-10-13 21:01:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_linearize [2019-10-13 21:01:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_linearize [2019-10-13 21:01:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_has_frag_list [2019-10-13 21:01:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2019-10-13 21:01:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-10-13 21:01:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2019-10-13 21:01:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2019-10-13 21:01:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2019-10-13 21:01:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-10-13 21:01:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-10-13 21:01:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2019-10-13 21:01:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-10-13 21:01:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-10-13 21:01:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_synchronize [2019-10-13 21:01:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 21:01:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 21:01:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 21:01:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2019-10-13 21:01:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 21:01:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-13 21:01:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-13 21:01:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-13 21:01:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-13 21:01:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-13 21:01:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure net_gso_ok [2019-10-13 21:01:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_gso_ok [2019-10-13 21:01:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_needs_gso [2019-10-13 21:01:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __pfn_to_mfn [2019-10-13 21:01:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2019-10-13 21:01:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure page_to_mfn [2019-10-13 21:01:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2019-10-13 21:01:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_is_link [2019-10-13 21:01:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2019-10-13 21:01:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2019-10-13 21:01:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2019-10-13 21:01:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2019-10-13 21:01:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2019-10-13 21:01:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2019-10-13 21:01:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill_timeout [2019-10-13 21:01:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2019-10-13 21:01:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_maybe_wake_tx [2019-10-13 21:01:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_one_rx_buffer [2019-10-13 21:01:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2019-10-13 21:01:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_open [2019-10-13 21:01:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2019-10-13 21:01:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2019-10-13 21:01:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2019-10-13 21:01:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_count_skb_slots [2019-10-13 21:01:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2019-10-13 21:01:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_start_xmit [2019-10-13 21:01:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_close [2019-10-13 21:01:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_move_rx_slot [2019-10-13 21:01:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_extras [2019-10-13 21:01:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_responses [2019-10-13 21:01:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_skb_gso [2019-10-13 21:01:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fill_frags [2019-10-13 21:01:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum_setup [2019-10-13 21:01:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_incoming_queue [2019-10-13 21:01:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll [2019-10-13 21:01:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2019-10-13 21:01:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2019-10-13 21:01:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2019-10-13 21:01:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_rx_bufs [2019-10-13 21:01:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2019-10-13 21:01:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2019-10-13 21:01:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2019-10-13 21:01:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2019-10-13 21:01:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2019-10-13 21:01:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2019-10-13 21:01:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2019-10-13 21:01:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_dev [2019-10-13 21:01:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_probe [2019-10-13 21:01:02,384 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2019-10-13 21:01:02,384 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2019-10-13 21:01:02,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_resume [2019-10-13 21:01:02,384 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_mac [2019-10-13 21:01:02,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_single [2019-10-13 21:01:02,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront_split [2019-10-13 21:01:02,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_netfront [2019-10-13 21:01:02,386 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_init_queue [2019-10-13 21:01:02,389 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2019-10-13 21:01:02,389 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2019-10-13 21:01:02,390 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_create_queues [2019-10-13 21:01:02,390 INFO L138 BoogieDeclarations]: Found implementation of procedure talk_to_netback [2019-10-13 21:01:02,390 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_connect [2019-10-13 21:01:02,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2019-10-13 21:01:02,390 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_sset_count [2019-10-13 21:01:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_ethtool_stats [2019-10-13 21:01:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_strings [2019-10-13 21:01:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2019-10-13 21:01:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2019-10-13 21:01:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2019-10-13 21:01:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_init [2019-10-13 21:01:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_exit [2019-10-13 21:01:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-13 21:01:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_5 [2019-10-13 21:01:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-13 21:01:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_7 [2019-10-13 21:01:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-13 21:01:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-13 21:01:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-13 21:01:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-13 21:01:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_6 [2019-10-13 21:01:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_xenbus_driver_2 [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_4 [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 21:01:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-13 21:01:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-13 21:01:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 21:01:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-13 21:01:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-13 21:01:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 21:01:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-10-13 21:01:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-13 21:01:02,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_37 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_38 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_39 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_40 [2019-10-13 21:01:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_41 [2019-10-13 21:01:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_42 [2019-10-13 21:01:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-10-13 21:01:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_44 [2019-10-13 21:01:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 21:01:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 21:01:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 21:01:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 21:01:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 21:01:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 21:01:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 21:01:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 21:01:02,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 21:01:02,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 21:01:02,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 21:01:02,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2019-10-13 21:01:02,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-13 21:01:02,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-13 21:01:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-13 21:01:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 21:01:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 21:01:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_page_tail [2019-10-13 21:01:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-10-13 21:01:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-13 21:01:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_get_hash [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __xenbus_register_frontend [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 21:01:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 21:01:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_page [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 21:01:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2019-10-13 21:01:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_query_foreign_access [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_7 [2019-10-13 21:01:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_7 [2019-10-13 21:01:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 21:01:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_2 [2019-10-13 21:01:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 21:01:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 21:01:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-10-13 21:01:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2019-10-13 21:01:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-10-13 21:01:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-13 21:01:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notify_peers [2019-10-13 21:01:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2019-10-13 21:01:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-13 21:01:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-13 21:01:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-10-13 21:01:02,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2019-10-13 21:01:02,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2019-10-13 21:01:02,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_skb_features [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-13 21:01:02,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_setup [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_has_pv_nic_devices [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_dev_fatal [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2019-10-13 21:01:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_frontend_closed [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_printf [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_scanf [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_start [2019-10-13 21:01:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unregister_driver [2019-10-13 21:01:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2019-10-13 21:01:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 21:01:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 21:01:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 21:01:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 21:01:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2019-10-13 21:01:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 21:01:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 21:01:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:01:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 21:01:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:01:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 21:01:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 21:01:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 21:01:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 21:01:02,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 21:01:02,431 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 21:01:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-13 21:01:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-13 21:01:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2019-10-13 21:01:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:01:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2019-10-13 21:01:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-13 21:01:02,432 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-13 21:01:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 21:01:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 21:01:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 21:01:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 21:01:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 21:01:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 21:01:02,433 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 21:01:02,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_6 [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_8 [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_10 [2019-10-13 21:01:02,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-13 21:01:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_11 [2019-10-13 21:01:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-13 21:01:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 21:01:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 21:01:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure dump_page [2019-10-13 21:01:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 21:01:02,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_40 [2019-10-13 21:01:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 21:01:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-10-13 21:01:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure xen_feature [2019-10-13 21:01:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2019-10-13 21:01:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2019-10-13 21:01:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-10-13 21:01:02,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_38 [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_37 [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-10-13 21:01:02,438 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 21:01:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 21:01:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-13 21:01:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_5 [2019-10-13 21:01:02,439 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_7 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_6 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_xenbus_driver_2 [2019-10-13 21:01:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_4 [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 21:01:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure __get_page_tail [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_get_hash [2019-10-13 21:01:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-10-13 21:01:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2019-10-13 21:01:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-10-13 21:01:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-13 21:01:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2019-10-13 21:01:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_after [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head [2019-10-13 21:01:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2019-10-13 21:01:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-10-13 21:01:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2019-10-13 21:01:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-13 21:01:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-10-13 21:01:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2019-10-13 21:01:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2019-10-13 21:01:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_purge [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_39 [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_linearize [2019-10-13 21:01:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_linearize [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_has_frag_list [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_setup [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2019-10-13 21:01:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-10-13 21:01:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure napi_synchronize [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_41 [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 21:01:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-13 21:01:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_42 [2019-10-13 21:01:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_44 [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notify_peers [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_skb_features [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure net_gso_ok [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure skb_gso_ok [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_needs_gso [2019-10-13 21:01:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-13 21:01:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-13 21:01:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-10-13 21:01:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-13 21:01:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-13 21:01:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-13 21:01:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-13 21:01:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure __xenbus_register_frontend [2019-10-13 21:01:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unregister_driver [2019-10-13 21:01:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2019-10-13 21:01:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2019-10-13 21:01:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_start [2019-10-13 21:01:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2019-10-13 21:01:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_scanf [2019-10-13 21:01:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_printf [2019-10-13 21:01:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2019-10-13 21:01:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2019-10-13 21:01:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2019-10-13 21:01:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2019-10-13 21:01:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_dev_fatal [2019-10-13 21:01:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2019-10-13 21:01:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_frontend_closed [2019-10-13 21:01:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2019-10-13 21:01:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2019-10-13 21:01:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2019-10-13 21:01:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2019-10-13 21:01:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2019-10-13 21:01:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_query_foreign_access [2019-10-13 21:01:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure __pfn_to_mfn [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2019-10-13 21:01:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure page_to_mfn [2019-10-13 21:01:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure xen_has_pv_nic_devices [2019-10-13 21:01:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2019-10-13 21:01:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_is_link [2019-10-13 21:01:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2019-10-13 21:01:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2019-10-13 21:01:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2019-10-13 21:01:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2019-10-13 21:01:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2019-10-13 21:01:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2019-10-13 21:01:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill_timeout [2019-10-13 21:01:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2019-10-13 21:01:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_maybe_wake_tx [2019-10-13 21:01:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_one_rx_buffer [2019-10-13 21:01:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2019-10-13 21:01:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_open [2019-10-13 21:01:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2019-10-13 21:01:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2019-10-13 21:01:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2019-10-13 21:01:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_count_skb_slots [2019-10-13 21:01:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2019-10-13 21:01:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_start_xmit [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_close [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_move_rx_slot [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_extras [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_responses [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_skb_gso [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fill_frags [2019-10-13 21:01:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure checksum_setup [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure handle_incoming_queue [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_rx_bufs [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2019-10-13 21:01:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2019-10-13 21:01:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2019-10-13 21:01:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2019-10-13 21:01:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2019-10-13 21:01:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2019-10-13 21:01:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2019-10-13 21:01:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_dev [2019-10-13 21:01:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_probe [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_resume [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_mac [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_single [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront_split [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup_netfront [2019-10-13 21:01:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_init_queue [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_create_queues [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure talk_to_netback [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_connect [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_sset_count [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_ethtool_stats [2019-10-13 21:01:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_strings [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_init [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_exit [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_7 [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_7 [2019-10-13 21:01:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_2 [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 21:01:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:01:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 21:01:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 21:01:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:01:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 21:01:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 21:01:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 21:01:04,228 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 21:01:16,134 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:01:16,135 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 21:01:16,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:01:16 BoogieIcfgContainer [2019-10-13 21:01:16,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:01:16,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:01:16,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:01:16,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:01:16,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:00:57" (1/3) ... [2019-10-13 21:01:16,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2106226d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:01:16, skipping insertion in model container [2019-10-13 21:01:16,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:01:01" (2/3) ... [2019-10-13 21:01:16,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2106226d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:01:16, skipping insertion in model container [2019-10-13 21:01:16,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:01:16" (3/3) ... [2019-10-13 21:01:16,148 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2019-10-13 21:01:16,158 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:01:16,179 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:01:16,191 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:01:16,237 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:01:16,237 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:01:16,238 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:01:16,238 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:01:16,238 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:01:16,238 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:01:16,238 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:01:16,238 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:01:16,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states. [2019-10-13 21:01:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-13 21:01:16,351 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:01:16,353 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:01:16,355 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:01:16,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:01:16,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1518624371, now seen corresponding path program 1 times [2019-10-13 21:01:16,371 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:01:16,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942020072] [2019-10-13 21:01:16,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:16,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:16,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:01:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:01:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2019-10-13 21:01:17,682 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942020072] [2019-10-13 21:01:17,682 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:01:17,683 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:01:17,683 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329304582] [2019-10-13 21:01:17,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:01:17,694 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:01:17,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:01:17,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:17,709 INFO L87 Difference]: Start difference. First operand 2456 states. Second operand 3 states. [2019-10-13 21:01:18,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:01:18,420 INFO L93 Difference]: Finished difference Result 5379 states and 6942 transitions. [2019-10-13 21:01:18,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:01:18,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2019-10-13 21:01:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:01:18,482 INFO L225 Difference]: With dead ends: 5379 [2019-10-13 21:01:18,482 INFO L226 Difference]: Without dead ends: 3348 [2019-10-13 21:01:18,498 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3348 states. [2019-10-13 21:01:18,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3348 to 3314. [2019-10-13 21:01:18,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3314 states. [2019-10-13 21:01:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4230 transitions. [2019-10-13 21:01:18,784 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4230 transitions. Word has length 371 [2019-10-13 21:01:18,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:01:18,788 INFO L462 AbstractCegarLoop]: Abstraction has 3314 states and 4230 transitions. [2019-10-13 21:01:18,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:01:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4230 transitions. [2019-10-13 21:01:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-10-13 21:01:18,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:01:18,806 INFO L380 BasicCegarLoop]: trace histogram [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, 1] [2019-10-13 21:01:18,806 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:01:18,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:01:18,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1440592048, now seen corresponding path program 1 times [2019-10-13 21:01:18,807 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:01:18,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296660091] [2019-10-13 21:01:18,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:18,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:18,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:01:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:01:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1284 trivial. 0 not checked. [2019-10-13 21:01:20,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296660091] [2019-10-13 21:01:20,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:01:20,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:01:20,392 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173741830] [2019-10-13 21:01:20,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:01:20,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:01:20,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:01:20,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:20,396 INFO L87 Difference]: Start difference. First operand 3314 states and 4230 transitions. Second operand 3 states. [2019-10-13 21:01:20,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:01:20,815 INFO L93 Difference]: Finished difference Result 7911 states and 10090 transitions. [2019-10-13 21:01:20,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:01:20,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2019-10-13 21:01:20,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:01:20,862 INFO L225 Difference]: With dead ends: 7911 [2019-10-13 21:01:20,863 INFO L226 Difference]: Without dead ends: 4666 [2019-10-13 21:01:20,880 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:20,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4666 states. [2019-10-13 21:01:21,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4666 to 4661. [2019-10-13 21:01:21,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4661 states. [2019-10-13 21:01:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 5948 transitions. [2019-10-13 21:01:21,120 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 5948 transitions. Word has length 369 [2019-10-13 21:01:21,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:01:21,125 INFO L462 AbstractCegarLoop]: Abstraction has 4661 states and 5948 transitions. [2019-10-13 21:01:21,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:01:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 5948 transitions. [2019-10-13 21:01:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2019-10-13 21:01:21,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:01:21,140 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:01:21,140 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:01:21,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:01:21,140 INFO L82 PathProgramCache]: Analyzing trace with hash 2005496051, now seen corresponding path program 1 times [2019-10-13 21:01:21,141 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:01:21,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894142400] [2019-10-13 21:01:21,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:21,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:21,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:01:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:01:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2019-10-13 21:01:22,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894142400] [2019-10-13 21:01:22,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:01:22,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:01:22,007 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258284887] [2019-10-13 21:01:22,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:01:22,008 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:01:22,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:01:22,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:22,009 INFO L87 Difference]: Start difference. First operand 4661 states and 5948 transitions. Second operand 3 states. [2019-10-13 21:01:24,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:01:24,734 INFO L93 Difference]: Finished difference Result 12167 states and 15511 transitions. [2019-10-13 21:01:24,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:01:24,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2019-10-13 21:01:24,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:01:24,793 INFO L225 Difference]: With dead ends: 12167 [2019-10-13 21:01:24,793 INFO L226 Difference]: Without dead ends: 7579 [2019-10-13 21:01:24,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7579 states. [2019-10-13 21:01:25,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7579 to 7558. [2019-10-13 21:01:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7558 states. [2019-10-13 21:01:25,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7558 states to 7558 states and 9622 transitions. [2019-10-13 21:01:25,115 INFO L78 Accepts]: Start accepts. Automaton has 7558 states and 9622 transitions. Word has length 468 [2019-10-13 21:01:25,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:01:25,116 INFO L462 AbstractCegarLoop]: Abstraction has 7558 states and 9622 transitions. [2019-10-13 21:01:25,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:01:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 7558 states and 9622 transitions. [2019-10-13 21:01:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2019-10-13 21:01:25,128 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:01:25,129 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:01:25,129 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:01:25,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:01:25,130 INFO L82 PathProgramCache]: Analyzing trace with hash -693116446, now seen corresponding path program 1 times [2019-10-13 21:01:25,130 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:01:25,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150937861] [2019-10-13 21:01:25,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:25,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:25,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:01:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:01:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2177 trivial. 0 not checked. [2019-10-13 21:01:25,790 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150937861] [2019-10-13 21:01:25,790 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:01:25,790 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:01:25,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940080667] [2019-10-13 21:01:25,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:01:25,792 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:01:25,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:01:25,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:25,793 INFO L87 Difference]: Start difference. First operand 7558 states and 9622 transitions. Second operand 3 states. [2019-10-13 21:01:26,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:01:26,155 INFO L93 Difference]: Finished difference Result 15087 states and 19232 transitions. [2019-10-13 21:01:26,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:01:26,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2019-10-13 21:01:26,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:01:26,211 INFO L225 Difference]: With dead ends: 15087 [2019-10-13 21:01:26,211 INFO L226 Difference]: Without dead ends: 7602 [2019-10-13 21:01:26,241 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:26,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7602 states. [2019-10-13 21:01:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7602 to 7578. [2019-10-13 21:01:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7578 states. [2019-10-13 21:01:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 9650 transitions. [2019-10-13 21:01:26,548 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 9650 transitions. Word has length 467 [2019-10-13 21:01:26,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:01:26,550 INFO L462 AbstractCegarLoop]: Abstraction has 7578 states and 9650 transitions. [2019-10-13 21:01:26,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:01:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 9650 transitions. [2019-10-13 21:01:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-10-13 21:01:26,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:01:26,566 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:01:26,566 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:01:26,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:01:26,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1299007738, now seen corresponding path program 1 times [2019-10-13 21:01:26,567 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:01:26,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16185808] [2019-10-13 21:01:26,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:26,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:26,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:01:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:01:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2177 trivial. 0 not checked. [2019-10-13 21:01:27,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16185808] [2019-10-13 21:01:27,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:01:27,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:01:27,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353079068] [2019-10-13 21:01:27,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:01:27,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:01:27,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:01:27,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:01:27,569 INFO L87 Difference]: Start difference. First operand 7578 states and 9650 transitions. Second operand 3 states. [2019-10-13 21:01:27,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:01:27,839 INFO L93 Difference]: Finished difference Result 8068 states and 10132 transitions. [2019-10-13 21:01:27,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:01:27,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471 [2019-10-13 21:01:27,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:01:27,902 INFO L225 Difference]: With dead ends: 8068 [2019-10-13 21:01:27,902 INFO L226 Difference]: Without dead ends: 8065 [2019-10-13 21:01:27,908 INFO L600 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 [2019-10-13 21:01:27,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8065 states. [2019-10-13 21:01:28,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8065 to 8065. [2019-10-13 21:01:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8065 states. [2019-10-13 21:01:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8065 states to 8065 states and 10126 transitions. [2019-10-13 21:01:28,225 INFO L78 Accepts]: Start accepts. Automaton has 8065 states and 10126 transitions. Word has length 471 [2019-10-13 21:01:28,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:01:28,226 INFO L462 AbstractCegarLoop]: Abstraction has 8065 states and 10126 transitions. [2019-10-13 21:01:28,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:01:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 8065 states and 10126 transitions. [2019-10-13 21:01:28,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2019-10-13 21:01:28,265 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:01:28,266 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:01:28,267 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:01:28,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:01:28,267 INFO L82 PathProgramCache]: Analyzing trace with hash 702474160, now seen corresponding path program 1 times [2019-10-13 21:01:28,267 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:01:28,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147358897] [2019-10-13 21:01:28,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:28,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:01:28,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:01:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:01:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2381 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2373 trivial. 0 not checked. [2019-10-13 21:01:29,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147358897] [2019-10-13 21:01:29,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:01:29,009 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:01:29,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321733957] [2019-10-13 21:01:29,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:01:29,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:01:29,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:01:29,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6