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-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:17:16,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:17:16,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:17:16,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:17:16,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:17:16,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:17:16,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:17:16,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:17:16,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:17:16,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:17:16,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:17:16,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:17:16,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:17:16,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:17:16,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:17:16,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:17:16,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:17:16,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:17:16,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:17:16,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:17:16,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:17:16,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:17:16,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:17:16,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:17:16,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:17:16,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:17:16,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:17:16,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:17:16,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:17:16,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:17:16,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:17:16,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:17:16,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:17:16,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:17:16,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:17:16,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:17:16,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:17:16,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:17:16,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:17:16,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:17:16,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:17:16,707 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 [2019-10-15 00:17:16,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:17:16,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:17:16,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:17:16,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:17:16,723 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:17:16,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:17:16,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:17:16,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:17:16,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:17:16,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:17:16,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:17:16,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:17:16,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:17:16,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:17:16,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:17:16,725 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:17:16,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:17:16,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:17:16,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:17:16,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:17:16,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:17:16,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:17:16,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:17:16,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:17:16,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:17:16,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:17:16,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:17:16,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:17:16,728 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 [2019-10-15 00:17:16,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:17:17,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:17:17,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:17:17,014 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:17:17,014 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:17:17,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2019-10-15 00:17:17,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f516e244/594225cb262c4d01a1d2d1623f20030e/FLAG1f335d9f5 [2019-10-15 00:17:17,940 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:17:17,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2019-10-15 00:17:17,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f516e244/594225cb262c4d01a1d2d1623f20030e/FLAG1f335d9f5 [2019-10-15 00:17:18,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f516e244/594225cb262c4d01a1d2d1623f20030e [2019-10-15 00:17:18,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:17:18,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:17:18,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:17:18,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:17:18,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:17:18,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:17:18" (1/1) ... [2019-10-15 00:17:18,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc22d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:18, skipping insertion in model container [2019-10-15 00:17:18,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:17:18" (1/1) ... [2019-10-15 00:17:18,398 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:17:18,546 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:17:20,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:17:20,443 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:17:20,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:17:21,195 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:17:21,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21 WrapperNode [2019-10-15 00:17:21,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:17:21,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:17:21,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:17:21,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:17:21,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (1/1) ... [2019-10-15 00:17:21,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (1/1) ... [2019-10-15 00:17:21,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (1/1) ... [2019-10-15 00:17:21,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (1/1) ... [2019-10-15 00:17:21,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (1/1) ... [2019-10-15 00:17:21,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (1/1) ... [2019-10-15 00:17:21,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (1/1) ... [2019-10-15 00:17:21,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:17:21,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:17:21,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:17:21,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:17:21,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (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 [2019-10-15 00:17:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:17:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:17:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-15 00:17:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-15 00:17:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-15 00:17:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 00:17:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 00:17:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 00:17:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 00:17:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2019-10-15 00:17:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure show_status [2019-10-15 00:17:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_port_disconnect [2019-10-15 00:17:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure store_detach [2019-10-15 00:17:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_args [2019-10-15 00:17:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure store_attach [2019-10-15 00:17:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main0_sequence_infinite_withcheck_stateful [2019-10-15 00:17:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-15 00:17:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:17:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2019-10-15 00:17:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2019-10-15 00:17:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-15 00:17:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-15 00:17:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:17:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:17:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-15 00:17:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-15 00:17:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_cmd_submit_pdu [2019-10-15 00:17:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_priv_tx [2019-10-15 00:17:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_submit [2019-10-15 00:17:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_unlink_tx [2019-10-15 00:17:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_unlink [2019-10-15 00:17:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_loop [2019-10-15 00:17:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-15 00:17:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2019-10-15 00:17:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pickup_urb_and_free_priv [2019-10-15 00:17:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_submit [2019-10-15 00:17:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_pending_unlink [2019-10-15 00:17:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_unlink [2019-10-15 00:17:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_pdu [2019-10-15 00:17:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_loop [2019-10-15 00:17:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:17:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 00:17:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-15 00:17:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:17:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-15 00:17:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-15 00:17:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-15 00:17:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-15 00:17:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-15 00:17:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-15 00:17:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-15 00:17:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-15 00:17:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-15 00:17:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-15 00:17:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:17:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:17:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-15 00:17:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:17:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:17:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2019-10-15 00:17:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2019-10-15 00:17:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2019-10-15 00:17:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_connect [2019-10-15 00:17:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_disconnect [2019-10-15 00:17:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_status [2019-10-15 00:17:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_descriptor [2019-10-15 00:17:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_control [2019-10-15 00:17:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vdev [2019-10-15 00:17:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_urb [2019-10-15 00:17:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_enqueue [2019-10-15 00:17:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_dequeue [2019-10-15 00:17:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unlink_cleanup [2019-10-15 00:17:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_shutdown_connection [2019-10-15 00:17:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_reset [2019-10-15 00:17:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unusable [2019-10-15 00:17:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_init [2019-10-15 00:17:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_start [2019-10-15 00:17:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_stop [2019-10-15 00:17:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_get_frame_number [2019-10-15 00:17:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_suspend [2019-10-15 00:17:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_resume [2019-10-15 00:17:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_probe [2019-10-15 00:17:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_remove [2019-10-15 00:17:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_suspend [2019-10-15 00:17:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_resume [2019-10-15 00:17:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure the_pdev_release [2019-10-15 00:17:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_init [2019-10-15 00:17:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_cleanup [2019-10-15 00:17:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:17:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-10-15 00:17:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2019-10-15 00:17:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_23 [2019-10-15 00:17:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2019-10-15 00:17:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_25 [2019-10-15 00:17:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:17:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:17:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:17:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 00:17:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 00:17:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 00:17:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-15 00:17:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev [2019-10-15 00:17:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev [2019-10-15 00:17:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-15 00:17:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:17:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-15 00:17:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 00:17:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:17:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:17:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 00:17:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-15 00:17:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 00:17:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-15 00:17:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:17:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 00:17:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-15 00:17:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:17:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-15 00:17:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-15 00:17:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:17:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-15 00:17:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-15 00:17:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2019-10-15 00:17:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sock_shutdown [2019-10-15 00:17:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-15 00:17:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-15 00:17:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:17:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:17:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-15 00:17:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-15 00:17:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2019-10-15 00:17:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-15 00:17:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2019-10-15 00:17:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-15 00:17:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-15 00:17:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:17:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-15 00:17:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2019-10-15 00:17:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sockfd_to_socket [2019-10-15 00:17:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-15 00:17:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-15 00:17:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_hcd [2019-10-15 00:17:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_hcd [2019-10-15 00:17:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2019-10-15 00:17:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-15 00:17:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2019-10-15 00:17:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2019-10-15 00:17:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2019-10-15 00:17:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2019-10-15 00:17:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2019-10-15 00:17:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2019-10-15 00:17:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-15 00:17:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2019-10-15 00:17:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2019-10-15 00:17:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_alloc_iso_desc_pdu [2019-10-15 00:17:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_header [2019-10-15 00:17:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_urb [2019-10-15 00:17:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2019-10-15 00:17:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_happened [2019-10-15 00:17:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_header_correct_endian [2019-10-15 00:17:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_pack_pdu [2019-10-15 00:17:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_iso [2019-10-15 00:17:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_xbuff [2019-10-15 00:17:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_eh [2019-10-15 00:17:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_threads [2019-10-15 00:17:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_eh [2019-10-15 00:17:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_threads [2019-10-15 00:17:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2019-10-15 00:17:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_xmit [2019-10-15 00:17:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-15 00:17:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:17:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:17:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:17:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:17:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:17:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:17:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:17:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:17:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 00:17:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-15 00:17:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 00:17:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-15 00:17:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-15 00:17:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 00:17:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 00:17:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 00:17:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 00:17:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 00:17:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:17:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 00:17:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure sockfd_to_socket [2019-10-15 00:17:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_threads [2019-10-15 00:17:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2019-10-15 00:17:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_connect [2019-10-15 00:17:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2019-10-15 00:17:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure show_status [2019-10-15 00:17:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:17:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_port_disconnect [2019-10-15 00:17:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure store_detach [2019-10-15 00:17:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:17:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:17:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure valid_args [2019-10-15 00:17:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure store_attach [2019-10-15 00:17:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:17:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:17:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:17:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:17:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main0_sequence_infinite_withcheck_stateful [2019-10-15 00:17:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-15 00:17:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:17:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:17:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:17:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:17:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2019-10-15 00:17:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2019-10-15 00:17:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-15 00:17:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-15 00:17:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:17:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:17:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:17:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:17:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-15 00:17:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-15 00:17:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-15 00:17:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-15 00:17:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-15 00:17:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-15 00:17:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:17:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2019-10-15 00:17:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_pack_pdu [2019-10-15 00:17:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_header_correct_endian [2019-10-15 00:17:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_alloc_iso_desc_pdu [2019-10-15 00:17:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_loop [2019-10-15 00:17:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_cmd_submit_pdu [2019-10-15 00:17:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:17:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_priv_tx [2019-10-15 00:17:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_submit [2019-10-15 00:17:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:17:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_unlink_tx [2019-10-15 00:17:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_unlink [2019-10-15 00:17:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:17:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-15 00:17:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-15 00:17:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_xmit [2019-10-15 00:17:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_urb [2019-10-15 00:17:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_header [2019-10-15 00:17:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_xbuff [2019-10-15 00:17:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_iso [2019-10-15 00:17:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_happened [2019-10-15 00:17:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2019-10-15 00:17:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2019-10-15 00:17:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_loop [2019-10-15 00:17:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2019-10-15 00:17:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure pickup_urb_and_free_priv [2019-10-15 00:17:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_submit [2019-10-15 00:17:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_pending_unlink [2019-10-15 00:17:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_unlink [2019-10-15 00:17:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_pdu [2019-10-15 00:17:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:17:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 00:17:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-15 00:17:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:17:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-15 00:17:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-15 00:17:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-15 00:17:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:17:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-15 00:17:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-15 00:17:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-15 00:17:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-15 00:17:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 00:17:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 00:17:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-15 00:17:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-15 00:17:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-15 00:17:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-15 00:17:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-15 00:17:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-15 00:17:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-15 00:17:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-10-15 00:17:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_23 [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_25 [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-15 00:17:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:17:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-15 00:17:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-15 00:17:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:17:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:17:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2019-10-15 00:17:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sock_shutdown [2019-10-15 00:17:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2019-10-15 00:17:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_threads [2019-10-15 00:17:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_eh [2019-10-15 00:17:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_eh [2019-10-15 00:17:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2019-10-15 00:17:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-15 00:17:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_hcd [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_hcd [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2019-10-15 00:17:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2019-10-15 00:17:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2019-10-15 00:17:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_disconnect [2019-10-15 00:17:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2019-10-15 00:17:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2019-10-15 00:17:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_status [2019-10-15 00:17:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_control [2019-10-15 00:17:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_enqueue [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_dequeue [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_start [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_stop [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_get_frame_number [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure hub_descriptor [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_vdev [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_urb [2019-10-15 00:17:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unlink_cleanup [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_shutdown_connection [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_reset [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unusable [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_init [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_suspend [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_resume [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_probe [2019-10-15 00:17:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_remove [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_suspend [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_resume [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure the_pdev_release [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_init [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_cleanup [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-15 00:17:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-15 00:17:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:17:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:17:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 00:17:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 00:17:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 00:17:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-15 00:17:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:17:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:17:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:17:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:17:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:17:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:17:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:17:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:17:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:17:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:17:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:17:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:17:47,638 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:17:47,639 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:17:47,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:17:47 BoogieIcfgContainer [2019-10-15 00:17:47,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:17:47,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:17:47,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:17:47,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:17:47,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:17:18" (1/3) ... [2019-10-15 00:17:47,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ba69c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:17:47, skipping insertion in model container [2019-10-15 00:17:47,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:17:21" (2/3) ... [2019-10-15 00:17:47,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ba69c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:17:47, skipping insertion in model container [2019-10-15 00:17:47,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:17:47" (3/3) ... [2019-10-15 00:17:47,650 INFO L109 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2019-10-15 00:17:47,660 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:17:47,677 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:17:47,691 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:17:47,740 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:17:47,740 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:17:47,740 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:17:47,740 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:17:47,740 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:17:47,741 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:17:47,741 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:17:47,741 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:17:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states. [2019-10-15 00:17:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-15 00:17:47,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:17:47,814 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:17:47,817 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:17:47,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:17:47,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1298140249, now seen corresponding path program 1 times [2019-10-15 00:17:47,832 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:17:47,833 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823725947] [2019-10-15 00:17:47,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:47,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:47,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:17:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:17:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:17:49,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823725947] [2019-10-15 00:17:49,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:17:49,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:17:49,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21343209] [2019-10-15 00:17:49,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:17:49,210 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:17:49,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:17:49,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:17:49,229 INFO L87 Difference]: Start difference. First operand 1804 states. Second operand 3 states. [2019-10-15 00:17:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:17:50,292 INFO L93 Difference]: Finished difference Result 2997 states and 4040 transitions. [2019-10-15 00:17:50,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:17:50,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-15 00:17:50,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:17:50,346 INFO L225 Difference]: With dead ends: 2997 [2019-10-15 00:17:50,347 INFO L226 Difference]: Without dead ends: 1902 [2019-10-15 00:17:50,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:17:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2019-10-15 00:17:50,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1899. [2019-10-15 00:17:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1899 states. [2019-10-15 00:17:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 2532 transitions. [2019-10-15 00:17:50,612 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 2532 transitions. Word has length 29 [2019-10-15 00:17:50,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:17:50,612 INFO L462 AbstractCegarLoop]: Abstraction has 1899 states and 2532 transitions. [2019-10-15 00:17:50,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:17:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2532 transitions. [2019-10-15 00:17:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-15 00:17:50,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:17:50,625 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 00:17:50,625 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:17:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:17:50,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1626368520, now seen corresponding path program 1 times [2019-10-15 00:17:50,626 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:17:50,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610825429] [2019-10-15 00:17:50,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:50,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:50,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:17:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:17:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 00:17:51,226 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610825429] [2019-10-15 00:17:51,226 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:17:51,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 00:17:51,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084368296] [2019-10-15 00:17:51,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 00:17:51,228 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:17:51,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 00:17:51,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:17:51,229 INFO L87 Difference]: Start difference. First operand 1899 states and 2532 transitions. Second operand 5 states. [2019-10-15 00:17:51,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:17:51,353 INFO L93 Difference]: Finished difference Result 3741 states and 4991 transitions. [2019-10-15 00:17:51,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 00:17:51,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2019-10-15 00:17:51,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:17:51,366 INFO L225 Difference]: With dead ends: 3741 [2019-10-15 00:17:51,366 INFO L226 Difference]: Without dead ends: 1899 [2019-10-15 00:17:51,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 00:17:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2019-10-15 00:17:51,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1899. [2019-10-15 00:17:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1899 states. [2019-10-15 00:17:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 2531 transitions. [2019-10-15 00:17:51,465 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 2531 transitions. Word has length 80 [2019-10-15 00:17:51,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:17:51,466 INFO L462 AbstractCegarLoop]: Abstraction has 1899 states and 2531 transitions. [2019-10-15 00:17:51,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 00:17:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2531 transitions. [2019-10-15 00:17:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 00:17:51,472 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:17:51,473 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 00:17:51,473 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:17:51,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:17:51,473 INFO L82 PathProgramCache]: Analyzing trace with hash 412681794, now seen corresponding path program 1 times [2019-10-15 00:17:51,474 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:17:51,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664832627] [2019-10-15 00:17:51,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:51,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:51,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:17:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:17:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 00:17:52,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664832627] [2019-10-15 00:17:52,080 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:17:52,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 00:17:52,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055274438] [2019-10-15 00:17:52,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 00:17:52,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:17:52,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 00:17:52,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 00:17:52,083 INFO L87 Difference]: Start difference. First operand 1899 states and 2531 transitions. Second operand 6 states. [2019-10-15 00:17:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:17:52,214 INFO L93 Difference]: Finished difference Result 3741 states and 4990 transitions. [2019-10-15 00:17:52,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 00:17:52,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-15 00:17:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:17:52,237 INFO L225 Difference]: With dead ends: 3741 [2019-10-15 00:17:52,237 INFO L226 Difference]: Without dead ends: 1887 [2019-10-15 00:17:52,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 00:17:52,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2019-10-15 00:17:52,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1887. [2019-10-15 00:17:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2019-10-15 00:17:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2513 transitions. [2019-10-15 00:17:52,348 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2513 transitions. Word has length 88 [2019-10-15 00:17:52,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:17:52,350 INFO L462 AbstractCegarLoop]: Abstraction has 1887 states and 2513 transitions. [2019-10-15 00:17:52,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 00:17:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2513 transitions. [2019-10-15 00:17:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 00:17:52,355 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:17:52,355 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 00:17:52,356 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:17:52,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:17:52,356 INFO L82 PathProgramCache]: Analyzing trace with hash -625429221, now seen corresponding path program 1 times [2019-10-15 00:17:52,359 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:17:52,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215483891] [2019-10-15 00:17:52,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:52,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:17:52,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY