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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 05:37:45,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 05:37:45,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 05:37:45,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 05:37:45,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 05:37:45,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 05:37:45,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 05:37:45,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 05:37:45,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 05:37:45,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 05:37:45,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 05:37:45,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 05:37:45,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 05:37:45,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 05:37:45,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 05:37:45,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 05:37:45,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 05:37:45,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 05:37:45,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 05:37:45,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 05:37:45,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 05:37:45,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 05:37:45,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 05:37:45,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 05:37:45,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 05:37:45,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 05:37:45,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 05:37:45,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 05:37:45,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 05:37:45,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 05:37:45,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 05:37:45,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 05:37:45,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 05:37:45,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 05:37:45,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 05:37:45,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 05:37:45,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 05:37:45,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 05:37:45,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 05:37:45,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 05:37:46,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 05:37:46,003 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 [2019-10-07 05:37:46,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 05:37:46,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 05:37:46,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 05:37:46,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 05:37:46,040 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 05:37:46,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 05:37:46,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 05:37:46,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 05:37:46,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 05:37:46,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 05:37:46,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 05:37:46,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 05:37:46,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 05:37:46,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 05:37:46,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 05:37:46,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 05:37:46,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 05:37:46,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 05:37:46,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 05:37:46,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 05:37:46,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 05:37:46,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 05:37:46,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 05:37:46,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 05:37:46,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 05:37:46,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 05:37:46,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 05:37:46,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 05:37:46,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 05:37:46,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 05:37:46,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 05:37:46,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 05:37:46,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 05:37:46,391 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 05:37:46,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2019-10-07 05:37:46,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed78f5fe5/bed34db5981a469d99789d9a8dba81fa/FLAG210212b9c [2019-10-07 05:37:47,328 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 05:37:47,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2019-10-07 05:37:47,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed78f5fe5/bed34db5981a469d99789d9a8dba81fa/FLAG210212b9c [2019-10-07 05:37:47,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed78f5fe5/bed34db5981a469d99789d9a8dba81fa [2019-10-07 05:37:47,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 05:37:47,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 05:37:47,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 05:37:47,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 05:37:47,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 05:37:47,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 05:37:47" (1/1) ... [2019-10-07 05:37:47,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e2d291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:47, skipping insertion in model container [2019-10-07 05:37:47,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 05:37:47" (1/1) ... [2019-10-07 05:37:47,832 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 05:37:48,014 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 05:37:49,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 05:37:50,054 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 05:37:50,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 05:37:50,839 INFO L192 MainTranslator]: Completed translation [2019-10-07 05:37:50,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50 WrapperNode [2019-10-07 05:37:50,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 05:37:50,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 05:37:50,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 05:37:50,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 05:37:50,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (1/1) ... [2019-10-07 05:37:50,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (1/1) ... [2019-10-07 05:37:50,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (1/1) ... [2019-10-07 05:37:50,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (1/1) ... [2019-10-07 05:37:51,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (1/1) ... [2019-10-07 05:37:51,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (1/1) ... [2019-10-07 05:37:51,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (1/1) ... [2019-10-07 05:37:51,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 05:37:51,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 05:37:51,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 05:37:51,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 05:37:51,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (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 [2019-10-07 05:37:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 05:37:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 05:37:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 05:37:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 05:37:51,325 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-07 05:37:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 05:37:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 05:37:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-07 05:37:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-07 05:37:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2019-10-07 05:37:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure show_status [2019-10-07 05:37:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_port_disconnect [2019-10-07 05:37:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure store_detach [2019-10-07 05:37:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_args [2019-10-07 05:37:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure store_attach [2019-10-07 05:37:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main0_sequence_infinite_withcheck_stateful [2019-10-07 05:37:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 05:37:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 05:37:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2019-10-07 05:37:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2019-10-07 05:37:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 05:37:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-07 05:37:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 05:37:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 05:37:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-07 05:37:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-07 05:37:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_cmd_submit_pdu [2019-10-07 05:37:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_priv_tx [2019-10-07 05:37:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_submit [2019-10-07 05:37:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_unlink_tx [2019-10-07 05:37:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_unlink [2019-10-07 05:37:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_loop [2019-10-07 05:37:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 05:37:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2019-10-07 05:37:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pickup_urb_and_free_priv [2019-10-07 05:37:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_submit [2019-10-07 05:37:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_pending_unlink [2019-10-07 05:37:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_unlink [2019-10-07 05:37:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_pdu [2019-10-07 05:37:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_loop [2019-10-07 05:37:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-07 05:37:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-07 05:37:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2019-10-07 05:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 05:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-07 05:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 05:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-07 05:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-07 05:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-07 05:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2019-10-07 05:37:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2019-10-07 05:37:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2019-10-07 05:37:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2019-10-07 05:37:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2019-10-07 05:37:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 05:37:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 05:37:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2019-10-07 05:37:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 05:37:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 05:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2019-10-07 05:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2019-10-07 05:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2019-10-07 05:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_connect [2019-10-07 05:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_disconnect [2019-10-07 05:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_status [2019-10-07 05:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_descriptor [2019-10-07 05:37:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_control [2019-10-07 05:37:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vdev [2019-10-07 05:37:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_urb [2019-10-07 05:37:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_enqueue [2019-10-07 05:37:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_dequeue [2019-10-07 05:37:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unlink_cleanup [2019-10-07 05:37:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_shutdown_connection [2019-10-07 05:37:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_reset [2019-10-07 05:37:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unusable [2019-10-07 05:37:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_init [2019-10-07 05:37:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_start [2019-10-07 05:37:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_stop [2019-10-07 05:37:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_get_frame_number [2019-10-07 05:37:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_suspend [2019-10-07 05:37:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_resume [2019-10-07 05:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_probe [2019-10-07 05:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_remove [2019-10-07 05:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_suspend [2019-10-07 05:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_resume [2019-10-07 05:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure the_pdev_release [2019-10-07 05:37:51,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_init [2019-10-07 05:37:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_cleanup [2019-10-07 05:37:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 05:37:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-10-07 05:37:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2019-10-07 05:37:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_23 [2019-10-07 05:37:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2019-10-07 05:37:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_25 [2019-10-07 05:37:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 05:37:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 05:37:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 05:37:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 05:37:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 05:37:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 05:37:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-07 05:37:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev [2019-10-07 05:37:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev [2019-10-07 05:37:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-07 05:37:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 05:37:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2019-10-07 05:37:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 05:37:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 05:37:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 05:37:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 05:37:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 05:37:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 05:37:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-07 05:37:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 05:37:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 05:37:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-07 05:37:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 05:37:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-07 05:37:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 05:37:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 05:37:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-07 05:37:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 05:37:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2019-10-07 05:37:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sock_shutdown [2019-10-07 05:37:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-07 05:37:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-07 05:37:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 05:37:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 05:37:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2019-10-07 05:37:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-07 05:37:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2019-10-07 05:37:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-07 05:37:51,371 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2019-10-07 05:37:51,372 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-07 05:37:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-07 05:37:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 05:37:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 05:37:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2019-10-07 05:37:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sockfd_to_socket [2019-10-07 05:37:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-07 05:37:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-07 05:37:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_hcd [2019-10-07 05:37:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_hcd [2019-10-07 05:37:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2019-10-07 05:37:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-07 05:37:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2019-10-07 05:37:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2019-10-07 05:37:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2019-10-07 05:37:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2019-10-07 05:37:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2019-10-07 05:37:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2019-10-07 05:37:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-10-07 05:37:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2019-10-07 05:37:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_alloc_iso_desc_pdu [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_header [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_urb [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_happened [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_header_correct_endian [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_pack_pdu [2019-10-07 05:37:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_iso [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_xbuff [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_eh [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_threads [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_eh [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_threads [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_xmit [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-07 05:37:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 05:37:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 05:37:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 05:37:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 05:37:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 05:37:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 05:37:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 05:37:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 05:37:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure sockfd_to_socket [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_threads [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2019-10-07 05:37:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_connect [2019-10-07 05:37:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2019-10-07 05:37:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure show_status [2019-10-07 05:37:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 05:37:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_port_disconnect [2019-10-07 05:37:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure store_detach [2019-10-07 05:37:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 05:37:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_args [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure store_attach [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main0_sequence_infinite_withcheck_stateful [2019-10-07 05:37:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 05:37:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-07 05:37:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 05:37:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-07 05:37:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-07 05:37:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 05:37:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2019-10-07 05:37:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_pack_pdu [2019-10-07 05:37:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_header_correct_endian [2019-10-07 05:37:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_alloc_iso_desc_pdu [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_loop [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup_cmd_submit_pdu [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_priv_tx [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_submit [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_unlink_tx [2019-10-07 05:37:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_unlink [2019-10-07 05:37:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 05:37:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 05:37:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 05:37:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_xmit [2019-10-07 05:37:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_urb [2019-10-07 05:37:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_header [2019-10-07 05:37:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_xbuff [2019-10-07 05:37:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_iso [2019-10-07 05:37:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_happened [2019-10-07 05:37:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2019-10-07 05:37:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2019-10-07 05:37:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_loop [2019-10-07 05:37:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2019-10-07 05:37:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure pickup_urb_and_free_priv [2019-10-07 05:37:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_submit [2019-10-07 05:37:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_pending_unlink [2019-10-07 05:37:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_unlink [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_pdu [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 05:37:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2019-10-07 05:37:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 05:37:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-07 05:37:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-07 05:37:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-07 05:37:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-07 05:37:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-07 05:37:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-10-07 05:37:51,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-10-07 05:37:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_23 [2019-10-07 05:37:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_25 [2019-10-07 05:37:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2019-10-07 05:37:51,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev [2019-10-07 05:37:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev [2019-10-07 05:37:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 05:37:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2019-10-07 05:37:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sock_shutdown [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_threads [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_eh [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_eh [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-07 05:37:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_hcd [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_hcd [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2019-10-07 05:37:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_disconnect [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_status [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_control [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_enqueue [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_dequeue [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_start [2019-10-07 05:37:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_stop [2019-10-07 05:37:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_get_frame_number [2019-10-07 05:37:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2019-10-07 05:37:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure hub_descriptor [2019-10-07 05:37:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure get_vdev [2019-10-07 05:37:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_urb [2019-10-07 05:37:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unlink_cleanup [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_shutdown_connection [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_reset [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unusable [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_init [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_suspend [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_resume [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_probe [2019-10-07 05:37:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_remove [2019-10-07 05:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_suspend [2019-10-07 05:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_resume [2019-10-07 05:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure the_pdev_release [2019-10-07 05:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_init [2019-10-07 05:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_cleanup [2019-10-07 05:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-07 05:37:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-07 05:37:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-07 05:37:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 05:37:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 05:37:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 05:37:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 05:37:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 05:37:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-07 05:37:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 05:37:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 05:37:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 05:37:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 05:37:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 05:37:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 05:37:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 05:37:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 05:37:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 05:37:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 05:37:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 05:37:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 05:38:27,042 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 05:38:27,042 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 05:38:27,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 05:38:27 BoogieIcfgContainer [2019-10-07 05:38:27,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 05:38:27,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 05:38:27,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 05:38:27,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 05:38:27,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 05:37:47" (1/3) ... [2019-10-07 05:38:27,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7982c393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 05:38:27, skipping insertion in model container [2019-10-07 05:38:27,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 05:37:50" (2/3) ... [2019-10-07 05:38:27,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7982c393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 05:38:27, skipping insertion in model container [2019-10-07 05:38:27,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 05:38:27" (3/3) ... [2019-10-07 05:38:27,061 INFO L109 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2019-10-07 05:38:27,071 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 05:38:27,086 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 05:38:27,100 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 05:38:27,145 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 05:38:27,146 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 05:38:27,146 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 05:38:27,146 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 05:38:27,146 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 05:38:27,146 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 05:38:27,146 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 05:38:27,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 05:38:27,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states. [2019-10-07 05:38:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-07 05:38:27,204 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:38:27,205 INFO L385 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] [2019-10-07 05:38:27,207 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:38:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:38:27,213 INFO L82 PathProgramCache]: Analyzing trace with hash 76649807, now seen corresponding path program 1 times [2019-10-07 05:38:27,222 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:38:27,222 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:27,222 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:27,222 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:38:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:38:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 05:38:28,498 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:28,499 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:38:28,499 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 05:38:28,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 05:38:28,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 05:38:28,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 05:38:28,520 INFO L87 Difference]: Start difference. First operand 1585 states. Second operand 3 states. [2019-10-07 05:38:28,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:38:28,788 INFO L93 Difference]: Finished difference Result 2591 states and 3510 transitions. [2019-10-07 05:38:28,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 05:38:28,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-07 05:38:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:38:28,838 INFO L225 Difference]: With dead ends: 2591 [2019-10-07 05:38:28,838 INFO L226 Difference]: Without dead ends: 1656 [2019-10-07 05:38:28,848 INFO L606 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 [2019-10-07 05:38:28,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2019-10-07 05:38:29,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1648. [2019-10-07 05:38:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2019-10-07 05:38:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2217 transitions. [2019-10-07 05:38:29,046 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2217 transitions. Word has length 27 [2019-10-07 05:38:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:38:29,047 INFO L462 AbstractCegarLoop]: Abstraction has 1648 states and 2217 transitions. [2019-10-07 05:38:29,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 05:38:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2217 transitions. [2019-10-07 05:38:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-07 05:38:29,060 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:38:29,061 INFO L385 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] [2019-10-07 05:38:29,061 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:38:29,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:38:29,062 INFO L82 PathProgramCache]: Analyzing trace with hash -569575121, now seen corresponding path program 1 times [2019-10-07 05:38:29,062 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:38:29,062 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:29,062 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:29,062 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:29,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:38:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:38:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 05:38:29,758 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:29,758 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:38:29,759 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 05:38:29,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 05:38:29,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 05:38:29,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 05:38:29,762 INFO L87 Difference]: Start difference. First operand 1648 states and 2217 transitions. Second operand 5 states. [2019-10-07 05:38:29,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:38:29,865 INFO L93 Difference]: Finished difference Result 3244 states and 4366 transitions. [2019-10-07 05:38:29,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 05:38:29,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-10-07 05:38:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:38:29,881 INFO L225 Difference]: With dead ends: 3244 [2019-10-07 05:38:29,881 INFO L226 Difference]: Without dead ends: 1648 [2019-10-07 05:38:29,889 INFO L606 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 [2019-10-07 05:38:29,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2019-10-07 05:38:29,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1648. [2019-10-07 05:38:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2019-10-07 05:38:29,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2216 transitions. [2019-10-07 05:38:29,985 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2216 transitions. Word has length 71 [2019-10-07 05:38:29,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:38:29,985 INFO L462 AbstractCegarLoop]: Abstraction has 1648 states and 2216 transitions. [2019-10-07 05:38:29,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 05:38:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2216 transitions. [2019-10-07 05:38:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-07 05:38:29,995 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:38:29,995 INFO L385 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] [2019-10-07 05:38:29,996 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:38:29,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:38:29,996 INFO L82 PathProgramCache]: Analyzing trace with hash -977847522, now seen corresponding path program 1 times [2019-10-07 05:38:29,996 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:38:29,997 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:29,997 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:29,997 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:29,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:38:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 05:38:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 05:38:31,681 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:31,681 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 05:38:31,682 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 05:38:31,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 05:38:31,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 05:38:31,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 05:38:31,683 INFO L87 Difference]: Start difference. First operand 1648 states and 2216 transitions. Second operand 6 states. [2019-10-07 05:38:31,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 05:38:31,793 INFO L93 Difference]: Finished difference Result 3244 states and 4365 transitions. [2019-10-07 05:38:31,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 05:38:31,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-07 05:38:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 05:38:31,804 INFO L225 Difference]: With dead ends: 3244 [2019-10-07 05:38:31,804 INFO L226 Difference]: Without dead ends: 1637 [2019-10-07 05:38:31,810 INFO L606 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 [2019-10-07 05:38:31,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2019-10-07 05:38:31,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1637. [2019-10-07 05:38:31,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2019-10-07 05:38:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2199 transitions. [2019-10-07 05:38:31,884 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2199 transitions. Word has length 78 [2019-10-07 05:38:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 05:38:31,885 INFO L462 AbstractCegarLoop]: Abstraction has 1637 states and 2199 transitions. [2019-10-07 05:38:31,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 05:38:31,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2199 transitions. [2019-10-07 05:38:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-07 05:38:31,890 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 05:38:31,890 INFO L385 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] [2019-10-07 05:38:31,891 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 05:38:31,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 05:38:31,891 INFO L82 PathProgramCache]: Analyzing trace with hash 350546868, now seen corresponding path program 1 times [2019-10-07 05:38:31,891 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 05:38:31,891 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 05:38:31,892 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:31,892 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 05:38:31,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 05:49:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat