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 -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 23:05:48,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 23:05:48,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 23:05:48,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 23:05:48,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 23:05:48,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 23:05:48,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 23:05:48,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 23:05:48,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 23:05:48,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 23:05:48,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 23:05:48,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 23:05:48,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 23:05:48,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 23:05:48,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 23:05:48,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 23:05:48,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 23:05:48,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 23:05:48,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 23:05:48,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 23:05:48,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 23:05:48,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 23:05:48,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 23:05:48,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 23:05:48,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 23:05:48,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 23:05:48,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 23:05:48,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 23:05:48,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 23:05:48,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 23:05:48,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 23:05:48,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 23:05:48,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 23:05:48,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 23:05:48,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 23:05:48,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 23:05:48,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 23:05:48,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 23:05:48,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 23:05:48,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 23:05:48,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 23:05:48,596 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 [2019-09-08 23:05:48,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 23:05:48,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 23:05:48,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 23:05:48,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 23:05:48,613 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 23:05:48,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 23:05:48,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 23:05:48,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 23:05:48,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 23:05:48,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 23:05:48,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 23:05:48,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 23:05:48,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 23:05:48,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 23:05:48,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 23:05:48,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 23:05:48,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 23:05:48,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 23:05:48,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 23:05:48,616 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 23:05:48,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 23:05:48,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 23:05:48,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 23:05:48,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 23:05:48,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 23:05:48,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 23:05:48,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 23:05:48,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 23:05:48,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 23:05:48,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 23:05:48,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 23:05:48,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 23:05:48,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 23:05:48,672 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 23:05:48,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2019-09-08 23:05:48,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cf1b650/f82d7056cace4a4a828366deb718bf48/FLAG49ed6d115 [2019-09-08 23:05:49,768 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 23:05:49,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2019-09-08 23:05:49,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cf1b650/f82d7056cace4a4a828366deb718bf48/FLAG49ed6d115 [2019-09-08 23:05:50,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cf1b650/f82d7056cace4a4a828366deb718bf48 [2019-09-08 23:05:50,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 23:05:50,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 23:05:50,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 23:05:50,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 23:05:50,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 23:05:50,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:05:50" (1/1) ... [2019-09-08 23:05:50,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5859fe78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:50, skipping insertion in model container [2019-09-08 23:05:50,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 11:05:50" (1/1) ... [2019-09-08 23:05:50,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 23:05:50,284 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 23:05:55,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 23:05:55,505 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 23:05:56,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 23:05:57,075 INFO L192 MainTranslator]: Completed translation [2019-09-08 23:05:57,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57 WrapperNode [2019-09-08 23:05:57,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 23:05:57,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 23:05:57,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 23:05:57,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 23:05:57,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... [2019-09-08 23:05:57,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... [2019-09-08 23:05:57,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... [2019-09-08 23:05:57,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... [2019-09-08 23:05:57,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... [2019-09-08 23:05:57,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... [2019-09-08 23:05:57,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... [2019-09-08 23:05:57,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 23:05:57,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 23:05:57,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 23:05:57,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 23:05:57,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 23:05:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 23:05:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 23:05:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 23:05:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 23:05:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2019-09-08 23:05:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-08 23:05:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 23:05:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 23:05:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-08 23:05:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-08 23:05:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2019-09-08 23:05:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 23:05:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-09-08 23:05:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 23:05:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 23:05:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 23:05:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-08 23:05:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 23:05:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-08 23:05:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-08 23:05:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-08 23:05:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-08 23:05:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-08 23:05:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-09-08 23:05:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-09-08 23:05:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 23:05:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-08 23:05:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-08 23:05:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2019-09-08 23:05:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-09-08 23:05:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-09-08 23:05:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-09-08 23:05:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-09-08 23:05:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-09-08 23:05:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-09-08 23:05:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-09-08 23:05:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2019-09-08 23:05:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2019-09-08 23:05:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2019-09-08 23:05:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2019-09-08 23:05:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2019-09-08 23:05:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2019-09-08 23:05:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-09-08 23:05:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2019-09-08 23:05:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2019-09-08 23:05:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2019-09-08 23:05:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2019-09-08 23:05:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-08 23:05:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-08 23:05:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-09-08 23:05:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 23:05:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 23:05:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-08 23:05:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-08 23:05:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2019-09-08 23:05:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-08 23:05:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-09-08 23:05:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-09-08 23:05:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-09-08 23:05:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-08 23:05:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 23:05:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header_was_set [2019-09-08 23:05:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_transport_header [2019-09-08 23:05:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2019-09-08 23:05:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2019-09-08 23:05:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-09-08 23:05:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_probe_transport_header [2019-09-08 23:05:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2019-09-08 23:05:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_orphan [2019-09-08 23:05:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_orphan_frags [2019-09-08 23:05:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-09-08 23:05:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_conntrack_put [2019-09-08 23:05:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_bridge_put [2019-09-08 23:05:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_reset [2019-09-08 23:05:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_rx_queue [2019-09-08 23:05:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_rx_queue_recorded [2019-09-08 23:05:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-09-08 23:05:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-09-08 23:05:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure get_net [2019-09-08 23:05:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2019-09-08 23:05:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2019-09-08 23:05:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2019-09-08 23:05:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure write_pnet [2019-09-08 23:05:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2019-09-08 23:05:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rps_record_sock_flow [2019-09-08 23:05:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rps_reset_sock_flow [2019-09-08 23:05:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 23:05:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2019-09-08 23:05:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2019-09-08 23:05:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 23:05:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-09-08 23:05:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 23:05:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_all_queues [2019-09-08 23:05:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 23:05:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2019-09-08 23:05:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 23:05:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2019-09-08 23:05:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-08 23:05:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2019-09-08 23:05:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_hold [2019-09-08 23:05:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-09-08 23:05:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-08 23:05:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-09-08 23:05:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-09-08 23:05:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2019-09-08 23:05:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2019-09-08 23:05:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_set_flag [2019-09-08 23:05:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_record_flow_hash [2019-09-08 23:05:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2019-09-08 23:05:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2019-09-08 23:05:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2019-09-08 23:05:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2019-09-08 23:05:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2019-09-08 23:05:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net_set [2019-09-08 23:05:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_change_net [2019-09-08 23:05:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2019-09-08 23:05:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2019-09-08 23:05:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_create [2019-09-08 23:05:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2019-09-08 23:05:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_flush [2019-09-08 23:05:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete_by_queue [2019-09-08 23:05:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_cleanup [2019-09-08 23:05:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_update [2019-09-08 23:05:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_save_rps_rxhash [2019-09-08 23:05:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_select_queue [2019-09-08 23:05:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_not_capable [2019-09-08 23:05:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2019-09-08 23:05:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_disable_queue [2019-09-08 23:05:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2019-09-08 23:05:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2019-09-08 23:05:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2019-09-08 23:05:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach [2019-09-08 23:05:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2019-09-08 23:05:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2019-09-08 23:05:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2019-09-08 23:05:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2019-09-08 23:05:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2019-09-08 23:05:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_hash_set [2019-09-08 23:05:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure addr_hash_test [2019-09-08 23:05:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure update_filter [2019-09-08 23:05:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure run_filter [2019-09-08 23:05:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure check_filter [2019-09-08 23:05:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_uninit [2019-09-08 23:05:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_open [2019-09-08 23:05:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_close [2019-09-08 23:05:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_xmit [2019-09-08 23:05:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_mclist [2019-09-08 23:05:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_change_mtu [2019-09-08 23:05:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_fix_features [2019-09-08 23:05:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_poll_controller [2019-09-08 23:05:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_init [2019-09-08 23:05:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2019-09-08 23:05:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_net_init [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_poll [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_alloc_skb [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_aio_write [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put_user [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_aio_read [2019-09-08 23:05:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_free_netdev [2019-09-08 23:05:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2019-09-08 23:05:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_validate [2019-09-08 23:05:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_sock_write_space [2019-09-08 23:05:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_sendmsg [2019-09-08 23:05:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_recvmsg [2019-09-08 23:05:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_release [2019-09-08 23:05:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2019-09-08 23:05:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_show_flags [2019-09-08 23:05:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_show_owner [2019-09-08 23:05:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_show_group [2019-09-08 23:05:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_iff [2019-09-08 23:05:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2019-09-08 23:05:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_offload [2019-09-08 23:05:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach_filter [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_sndbuf [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_queue [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_ioctl [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_compat_ioctl [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_fasync [2019-09-08 23:05:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_open [2019-09-08 23:05:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_close [2019-09-08 23:05:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_chr_show_fdinfo [2019-09-08 23:05:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_settings [2019-09-08 23:05:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_drvinfo [2019-09-08 23:05:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_msglevel [2019-09-08 23:05:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_msglevel [2019-09-08 23:05:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_init [2019-09-08 23:05:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_cleanup [2019-09-08 23:05:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_socket [2019-09-08 23:05:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2019-09-08 23:05:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_tun_init_15_11 [2019-09-08 23:05:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2019-09-08 23:05:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs_setup_7_3 [2019-09-08 23:05:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-08 23:05:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2019-09-08 23:05:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2019-09-08 23:05:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_13_1 [2019-09-08 23:05:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_12_15_4 [2019-09-08 23:05:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_io_instance_11_15_5 [2019-09-08 23:05:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_8_1 [2019-09-08 23:05:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2019-09-08 23:05:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_2 [2019-09-08 23:05:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_14_2 [2019-09-08 23:05:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_12_15_6 [2019-09-08 23:05:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_io_instance_11_15_7 [2019-09-08 23:05:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-09-08 23:05:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-09-08 23:05:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 23:05:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 23:05:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-09-08 23:05:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-09-08 23:05:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-09-08 23:05:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-09-08 23:05:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_24 [2019-09-08 23:05:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_25 [2019-09-08 23:05:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_26 [2019-09-08 23:05:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_27 [2019-09-08 23:05:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_28 [2019-09-08 23:05:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2019-09-08 23:05:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 23:05:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_32 [2019-09-08 23:05:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-09-08 23:05:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-09-08 23:05:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 23:05:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-09-08 23:05:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-09-08 23:05:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_3 [2019-09-08 23:05:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_15 [2019-09-08 23:05:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 23:05:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2019-09-08 23:05:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_22 [2019-09-08 23:05:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_25 [2019-09-08 23:05:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_28 [2019-09-08 23:05:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_31 [2019-09-08 23:05:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_34 [2019-09-08 23:05:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_35 [2019-09-08 23:05:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_38 [2019-09-08 23:05:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_39 [2019-09-08 23:05:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2019-09-08 23:05:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2019-09-08 23:05:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_0_2 [2019-09-08 23:05:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2019-09-08 23:05:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-09-08 23:05:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-08 23:05:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_callback_2_19 [2019-09-08 23:05:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_callback_2_4 [2019-09-08 23:05:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_release_2_2 [2019-09-08 23:05:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_proto_io_instance_2 [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_4 [2019-09-08 23:05:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_5 [2019-09-08 23:05:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-08 23:05:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-09-08 23:05:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2019-09-08 23:05:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2019-09-08 23:05:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-09-08 23:05:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-08 23:05:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_5 [2019-09-08 23:05:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_14 [2019-09-08 23:05:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2019-09-08 23:05:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-09-08 23:05:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2019-09-08 23:05:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-09-08 23:05:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_5 [2019-09-08 23:05:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_1 [2019-09-08 23:05:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_5 [2019-09-08 23:05:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_1 [2019-09-08 23:05:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_3 [2019-09-08 23:05:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_6_2 [2019-09-08 23:05:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_6 [2019-09-08 23:05:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice [2019-09-08 23:05:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-08 23:05:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-08 23:05:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 23:05:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2019-09-08 23:05:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2019-09-08 23:05:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_80 [2019-09-08 23:05:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_83 [2019-09-08 23:05:57,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_85 [2019-09-08 23:05:57,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_86 [2019-09-08 23:05:57,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_87 [2019-09-08 23:05:57,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_88 [2019-09-08 23:05:57,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs_89 [2019-09-08 23:05:57,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_90 [2019-09-08 23:05:57,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_91 [2019-09-08 23:05:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_92 [2019-09-08 23:05:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_93 [2019-09-08 23:05:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-08 23:05:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-08 23:05:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-08 23:05:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 23:05:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 23:05:57,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 23:05:57,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 23:05:57,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-08 23:05:57,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-08 23:05:57,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-08 23:05:57,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-08 23:05:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-08 23:05:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-08 23:05:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 23:05:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 23:05:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 23:05:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 23:05:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-08 23:05:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 23:05:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-08 23:05:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-08 23:05:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-08 23:05:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-08 23:05:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-08 23:05:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-08 23:05:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-08 23:05:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 23:05:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 23:05:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 23:05:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 23:05:57,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-08 23:05:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-08 23:05:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-08 23:05:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-08 23:05:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-08 23:05:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 23:05:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 23:05:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 23:05:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 23:05:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 23:05:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 23:05:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 23:05:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 23:05:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 23:05:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 23:05:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 23:05:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 23:05:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 23:05:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 23:05:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 23:05:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 23:05:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 23:05:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-08 23:05:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-08 23:05:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-08 23:05:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-08 23:05:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-08 23:05:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-08 23:05:57,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_res_counter [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_res_counter [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_res_counter [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_res_counter [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_res_counter [2019-09-08 23:05:57,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_res_counter [2019-09-08 23:05:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-09-08 23:05:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tun_struct [2019-09-08 23:05:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tun_struct [2019-09-08 23:05:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_tun_struct [2019-09-08 23:05:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_tun_struct [2019-09-08 23:05:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_tun_struct [2019-09-08 23:05:57,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_tun_struct [2019-09-08 23:05:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_tun_struct [2019-09-08 23:05:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_tun_struct [2019-09-08 23:05:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 23:05:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 23:05:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 23:05:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 23:05:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 23:05:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 23:05:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 23:05:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 23:05:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 23:05:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 23:05:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 23:05:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-08 23:05:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-08 23:05:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-08 23:05:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-08 23:05:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-08 23:05:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-08 23:05:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-08 23:05:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 23:05:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 23:05:57,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-09-08 23:05:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 23:05:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 23:05:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 23:05:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 23:05:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 23:05:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 23:05:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 23:05:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 23:05:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 23:05:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-08 23:05:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 23:05:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 23:05:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 23:05:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 23:05:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1712 [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_240 [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_get_by_name [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __f_setown [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 23:05:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __module_get [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_net [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_get_hash [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-08 23:05:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-09-08 23:05:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mac_address [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_read [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_write [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-08 23:05:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 23:05:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure in_egroup_p [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_pages [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_call_rcu [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2019-09-08 23:05:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-09-08 23:05:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-09-08 23:05:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-09-08 23:05:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-09-08 23:05:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2019-09-08 23:05:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure make_kgid [2019-09-08 23:05:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure make_kuid [2019-09-08 23:05:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2019-09-08 23:05:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2019-09-08 23:05:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-08 23:05:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-09-08 23:05:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-09-08 23:05:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-08 23:05:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-09-08 23:05:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2019-09-08 23:05:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_rx_queues [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_conntrack_destroy [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-09-08 23:05:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2019-09-08 23:05:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-09-08 23:05:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 23:05:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-09-08 23:05:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-09-08 23:05:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-09-08 23:05:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-09-08 23:05:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2019-09-08 23:05:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-09-08 23:05:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-09-08 23:05:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-09-08 23:05:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-09-08 23:05:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_alloc_security [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_attach [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_attach_queue [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_create [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_open [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-09-08 23:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_alloc [2019-09-08 23:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2019-09-08 23:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_detach_filter [2019-09-08 23:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_filter [2019-09-08 23:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2019-09-08 23:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_release_kernel [2019-09-08 23:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2019-09-08 23:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_ubufs [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_flow_dissect [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_partial_csum_set [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-08 23:05:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-09-08 23:05:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_error [2019-09-08 23:05:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2019-09-08 23:05:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_init_data [2019-09-08 23:05:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_recv_errqueue [2019-09-08 23:05:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_tx_timestamp [2019-09-08 23:05:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-08 23:05:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2019-09-08 23:05:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-09-08 23:05:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 23:05:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure zerocopy_sg_from_iovec [2019-09-08 23:05:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-09-08 23:05:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 23:05:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 23:05:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 23:05:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 23:05:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 23:05:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-08 23:05:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 23:05:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 23:05:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-08 23:05:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 23:05:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-08 23:05:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-08 23:05:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-09-08 23:05:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tun_struct [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tun_struct [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-08 23:05:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-09-08 23:05:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2019-09-08 23:05:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-09-08 23:05:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_call_rcu [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-09-08 23:05:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2019-09-08 23:05:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure make_kuid [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure make_kgid [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-08 23:05:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_80 [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_83 [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_86 [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_87 [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_92 [2019-09-08 23:05:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_93 [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2019-09-08 23:05:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure iov_pages [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure __f_setown [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_read [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_write [2019-09-08 23:05:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure in_egroup_p [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 23:05:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-08 23:05:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_flow_dissect [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_error [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_ubufs [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_get_hash [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-09-08 23:05:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header_was_set [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_transport_header [2019-09-08 23:05:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_probe_transport_header [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_orphan [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_orphan_frags [2019-09-08 23:05:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure zerocopy_sg_from_iovec [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure nf_conntrack_destroy [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure nf_conntrack_put [2019-09-08 23:05:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure nf_bridge_put [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure nf_reset [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_rx_queue [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_rx_queue_recorded [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_partial_csum_set [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-08 23:05:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure __put_net [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure get_net [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure write_pnet [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2019-09-08 23:05:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_alloc_security [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_create [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_attach_queue [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_attach [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_open [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure rps_record_sock_flow [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure rps_reset_sock_flow [2019-09-08 23:05:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_get_by_name [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_90 [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-09-08 23:05:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_85 [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_88 [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_91 [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 23:05:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_all_queues [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_rx_queues [2019-09-08 23:05:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mac_address [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_hold [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs_89 [2019-09-08 23:05:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure __module_get [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-08 23:05:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure sk_filter [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2019-09-08 23:05:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure sk_detach_filter [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_socket [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure sock_set_flag [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_record_flow_hash [2019-09-08 23:05:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sk_alloc [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sk_release_kernel [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sock_init_data [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1712 [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2019-09-08 23:05:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure sock_tx_timestamp [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net_set [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure sk_change_net [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure sock_recv_errqueue [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2019-09-08 23:05:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_create [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_240 [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_flush [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete_by_queue [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_cleanup [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_update [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_save_rps_rxhash [2019-09-08 23:05:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_select_queue [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure tun_not_capable [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure tun_disable_queue [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach [2019-09-08 23:05:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure addr_hash_set [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure addr_hash_test [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure update_filter [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 23:05:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure run_filter [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure check_filter [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_uninit [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_open [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_close [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_xmit [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_mclist [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_change_mtu [2019-09-08 23:05:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_fix_features [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure tun_poll_controller [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_init [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure tun_net_init [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_poll [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure tun_alloc_skb [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2019-09-08 23:05:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_aio_write [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put_user [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_aio_read [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_free_netdev [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_validate [2019-09-08 23:05:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_sock_write_space [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_sendmsg [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_recvmsg [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_release [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_show_flags [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_show_owner [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_show_group [2019-09-08 23:05:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_iff [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure set_offload [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach_filter [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_sndbuf [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_queue [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2019-09-08 23:05:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_ioctl [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_compat_ioctl [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_fasync [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_open [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_close [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_chr_show_fdinfo [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_settings [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_drvinfo [2019-09-08 23:05:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_msglevel [2019-09-08 23:05:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_msglevel [2019-09-08 23:05:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure tun_init [2019-09-08 23:05:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure tun_cleanup [2019-09-08 23:05:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2019-09-08 23:05:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_tun_init_15_11 [2019-09-08 23:05:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2019-09-08 23:05:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs_setup_7_3 [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_13_1 [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_12_15_4 [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_io_instance_11_15_5 [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_8_1 [2019-09-08 23:05:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_2 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_14_2 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_12_15_6 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_io_instance_11_15_7 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_10 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_11 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_12 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_15 [2019-09-08 23:05:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_18 [2019-09-08 23:05:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_19 [2019-09-08 23:05:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_20 [2019-09-08 23:05:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_23 [2019-09-08 23:05:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_24 [2019-09-08 23:05:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_25 [2019-09-08 23:05:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_26 [2019-09-08 23:05:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_27 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_28 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_3 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_32 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_7 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_8 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_9 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2019-09-08 23:05:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_3 [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_3 [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_15 [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_22 [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_25 [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_28 [2019-09-08 23:05:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_31 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_34 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_35 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_38 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_39 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_0_2 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2019-09-08 23:05:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_callback_2_19 [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_callback_2_4 [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_release_2_2 [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2019-09-08 23:05:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_proto_io_instance_2 [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_4 [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_5 [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2019-09-08 23:05:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_5 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_14 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-09-08 23:05:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_5 [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_1 [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_5 [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_1 [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_3 [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_6_2 [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_6 [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-08 23:05:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-08 23:05:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 23:05:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-08 23:05:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-08 23:05:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-08 23:05:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 23:05:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-08 23:05:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-08 23:05:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 23:05:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-08 23:05:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 23:05:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 23:05:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 23:05:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-08 23:05:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_res_counter [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_res_counter [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_res_counter [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_res_counter [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_res_counter [2019-09-08 23:05:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_res_counter [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_res_counter [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_res_counter [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_tun_struct [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_tun_struct [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_tun_struct [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_tun_struct [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_tun_struct [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_tun_struct [2019-09-08 23:05:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-08 23:05:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 23:05:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sk_dst_lock_of_sock [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sk_dst_lock_of_sock [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_sk_dst_lock_of_sock [2019-09-08 23:05:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_sk_dst_lock_of_sock [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_sk_dst_lock_of_sock [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_sk_dst_lock_of_sock [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_sk_dst_lock_of_sock [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_sk_dst_lock_of_sock [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_slock_of_NOT_ARG_SIGN [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 23:05:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 23:05:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 23:05:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 23:05:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 23:05:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 23:05:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 23:05:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 23:05:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 23:05:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 23:05:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 23:05:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 23:06:17,281 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-08 23:06:18,607 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 23:06:30,579 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 23:06:30,579 INFO L283 CfgBuilder]: Removed 20 assume(true) statements. [2019-09-08 23:06:30,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:06:30 BoogieIcfgContainer [2019-09-08 23:06:30,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 23:06:30,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 23:06:30,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 23:06:30,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 23:06:30,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 11:05:50" (1/3) ... [2019-09-08 23:06:30,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e3cc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:06:30, skipping insertion in model container [2019-09-08 23:06:30,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 11:05:57" (2/3) ... [2019-09-08 23:06:30,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e3cc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 11:06:30, skipping insertion in model container [2019-09-08 23:06:30,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 11:06:30" (3/3) ... [2019-09-08 23:06:30,596 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2019-09-08 23:06:30,606 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 23:06:30,625 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-08 23:06:30,643 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-08 23:06:30,698 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 23:06:30,698 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 23:06:30,699 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 23:06:30,699 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 23:06:30,699 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 23:06:30,699 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 23:06:30,699 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 23:06:30,699 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 23:06:30,699 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 23:06:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4070 states. [2019-09-08 23:06:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-09-08 23:06:30,855 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:30,857 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:30,860 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:30,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:30,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1941332263, now seen corresponding path program 1 times [2019-09-08 23:06:30,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:30,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:31,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:31,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:31,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2019-09-08 23:06:32,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:32,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:06:32,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:06:32,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:06:32,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:32,253 INFO L87 Difference]: Start difference. First operand 4070 states. Second operand 3 states. [2019-09-08 23:06:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:34,581 INFO L93 Difference]: Finished difference Result 8834 states and 11741 transitions. [2019-09-08 23:06:34,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:06:34,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 304 [2019-09-08 23:06:34,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:34,665 INFO L225 Difference]: With dead ends: 8834 [2019-09-08 23:06:34,665 INFO L226 Difference]: Without dead ends: 5781 [2019-09-08 23:06:34,695 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:34,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2019-09-08 23:06:35,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5777. [2019-09-08 23:06:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5777 states. [2019-09-08 23:06:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 7406 transitions. [2019-09-08 23:06:35,142 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 7406 transitions. Word has length 304 [2019-09-08 23:06:35,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:35,144 INFO L475 AbstractCegarLoop]: Abstraction has 5777 states and 7406 transitions. [2019-09-08 23:06:35,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:06:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 7406 transitions. [2019-09-08 23:06:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-09-08 23:06:35,153 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:35,154 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:35,154 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:35,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:35,155 INFO L82 PathProgramCache]: Analyzing trace with hash 155002441, now seen corresponding path program 1 times [2019-09-08 23:06:35,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:35,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:35,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:35,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:35,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2019-09-08 23:06:35,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:35,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:06:35,613 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:06:35,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:06:35,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:35,614 INFO L87 Difference]: Start difference. First operand 5777 states and 7406 transitions. Second operand 3 states. [2019-09-08 23:06:36,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:36,142 INFO L93 Difference]: Finished difference Result 16989 states and 21850 transitions. [2019-09-08 23:06:36,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:06:36,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2019-09-08 23:06:36,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:36,231 INFO L225 Difference]: With dead ends: 16989 [2019-09-08 23:06:36,231 INFO L226 Difference]: Without dead ends: 11291 [2019-09-08 23:06:36,263 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:36,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11291 states. [2019-09-08 23:06:36,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11291 to 11247. [2019-09-08 23:06:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11247 states. [2019-09-08 23:06:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11247 states to 11247 states and 14485 transitions. [2019-09-08 23:06:37,023 INFO L78 Accepts]: Start accepts. Automaton has 11247 states and 14485 transitions. Word has length 312 [2019-09-08 23:06:37,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:37,027 INFO L475 AbstractCegarLoop]: Abstraction has 11247 states and 14485 transitions. [2019-09-08 23:06:37,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:06:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 11247 states and 14485 transitions. [2019-09-08 23:06:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-09-08 23:06:37,042 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:37,043 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:37,044 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:37,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:37,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1235094363, now seen corresponding path program 1 times [2019-09-08 23:06:37,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:37,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:37,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:37,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:37,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:37,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2845 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2845 trivial. 0 not checked. [2019-09-08 23:06:37,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:37,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:06:37,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:06:37,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:06:37,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:37,558 INFO L87 Difference]: Start difference. First operand 11247 states and 14485 transitions. Second operand 3 states. [2019-09-08 23:06:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:39,609 INFO L93 Difference]: Finished difference Result 22271 states and 28647 transitions. [2019-09-08 23:06:39,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:06:39,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2019-09-08 23:06:39,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:39,695 INFO L225 Difference]: With dead ends: 22271 [2019-09-08 23:06:39,695 INFO L226 Difference]: Without dead ends: 11103 [2019-09-08 23:06:39,737 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:39,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11103 states. [2019-09-08 23:06:40,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11103 to 11061. [2019-09-08 23:06:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11061 states. [2019-09-08 23:06:40,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11061 states to 11061 states and 14161 transitions. [2019-09-08 23:06:40,213 INFO L78 Accepts]: Start accepts. Automaton has 11061 states and 14161 transitions. Word has length 353 [2019-09-08 23:06:40,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:40,214 INFO L475 AbstractCegarLoop]: Abstraction has 11061 states and 14161 transitions. [2019-09-08 23:06:40,215 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:06:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 11061 states and 14161 transitions. [2019-09-08 23:06:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-09-08 23:06:40,225 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:40,226 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:40,226 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:40,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:40,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1324966767, now seen corresponding path program 1 times [2019-09-08 23:06:40,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:40,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:40,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:40,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:40,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2863 trivial. 0 not checked. [2019-09-08 23:06:40,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:40,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:06:40,692 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:06:40,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:06:40,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:40,693 INFO L87 Difference]: Start difference. First operand 11061 states and 14161 transitions. Second operand 3 states. [2019-09-08 23:06:43,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:43,180 INFO L93 Difference]: Finished difference Result 27469 states and 35242 transitions. [2019-09-08 23:06:43,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:06:43,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 367 [2019-09-08 23:06:43,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:43,280 INFO L225 Difference]: With dead ends: 27469 [2019-09-08 23:06:43,281 INFO L226 Difference]: Without dead ends: 18936 [2019-09-08 23:06:43,317 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:06:43,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18936 states. [2019-09-08 23:06:44,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18936 to 18932. [2019-09-08 23:06:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18932 states. [2019-09-08 23:06:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18932 states to 18932 states and 24283 transitions. [2019-09-08 23:06:45,047 INFO L78 Accepts]: Start accepts. Automaton has 18932 states and 24283 transitions. Word has length 367 [2019-09-08 23:06:45,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:45,049 INFO L475 AbstractCegarLoop]: Abstraction has 18932 states and 24283 transitions. [2019-09-08 23:06:45,049 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:06:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 18932 states and 24283 transitions. [2019-09-08 23:06:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-09-08 23:06:45,059 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:45,060 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:45,060 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:45,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:45,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1583797135, now seen corresponding path program 1 times [2019-09-08 23:06:45,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:45,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:45,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:45,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:45,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2867 trivial. 0 not checked. [2019-09-08 23:06:45,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:45,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:45,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:45,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:45,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:45,510 INFO L87 Difference]: Start difference. First operand 18932 states and 24283 transitions. Second operand 5 states. [2019-09-08 23:06:45,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:45,950 INFO L93 Difference]: Finished difference Result 18938 states and 24288 transitions. [2019-09-08 23:06:45,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:45,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 367 [2019-09-08 23:06:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:46,038 INFO L225 Difference]: With dead ends: 18938 [2019-09-08 23:06:46,039 INFO L226 Difference]: Without dead ends: 18936 [2019-09-08 23:06:46,049 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:46,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18936 states. [2019-09-08 23:06:46,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18936 to 18936. [2019-09-08 23:06:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18936 states. [2019-09-08 23:06:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18936 states to 18936 states and 24286 transitions. [2019-09-08 23:06:46,664 INFO L78 Accepts]: Start accepts. Automaton has 18936 states and 24286 transitions. Word has length 367 [2019-09-08 23:06:46,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:46,664 INFO L475 AbstractCegarLoop]: Abstraction has 18936 states and 24286 transitions. [2019-09-08 23:06:46,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 18936 states and 24286 transitions. [2019-09-08 23:06:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2019-09-08 23:06:46,677 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:46,678 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:46,679 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:46,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:46,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1112119502, now seen corresponding path program 1 times [2019-09-08 23:06:46,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:46,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:46,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:46,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:46,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2878 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2867 trivial. 0 not checked. [2019-09-08 23:06:47,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:47,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:47,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:47,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:47,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:47,149 INFO L87 Difference]: Start difference. First operand 18936 states and 24286 transitions. Second operand 5 states. [2019-09-08 23:06:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:47,882 INFO L93 Difference]: Finished difference Result 18942 states and 24291 transitions. [2019-09-08 23:06:47,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:47,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 372 [2019-09-08 23:06:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:47,989 INFO L225 Difference]: With dead ends: 18942 [2019-09-08 23:06:47,989 INFO L226 Difference]: Without dead ends: 18940 [2019-09-08 23:06:48,000 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:48,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18940 states. [2019-09-08 23:06:48,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18940 to 18940. [2019-09-08 23:06:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18940 states. [2019-09-08 23:06:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18940 states to 18940 states and 24289 transitions. [2019-09-08 23:06:48,608 INFO L78 Accepts]: Start accepts. Automaton has 18940 states and 24289 transitions. Word has length 372 [2019-09-08 23:06:48,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:48,609 INFO L475 AbstractCegarLoop]: Abstraction has 18940 states and 24289 transitions. [2019-09-08 23:06:48,609 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 18940 states and 24289 transitions. [2019-09-08 23:06:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-09-08 23:06:48,622 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:48,623 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:48,623 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:48,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:48,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2043442769, now seen corresponding path program 1 times [2019-09-08 23:06:48,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:48,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:48,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:48,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:48,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2884 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2019-09-08 23:06:49,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:49,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:49,014 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:49,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:49,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:49,015 INFO L87 Difference]: Start difference. First operand 18940 states and 24289 transitions. Second operand 5 states. [2019-09-08 23:06:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:49,503 INFO L93 Difference]: Finished difference Result 18946 states and 24294 transitions. [2019-09-08 23:06:49,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:49,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 377 [2019-09-08 23:06:49,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:49,595 INFO L225 Difference]: With dead ends: 18946 [2019-09-08 23:06:49,595 INFO L226 Difference]: Without dead ends: 18944 [2019-09-08 23:06:49,608 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18944 states. [2019-09-08 23:06:50,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18944 to 18944. [2019-09-08 23:06:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18944 states. [2019-09-08 23:06:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18944 states to 18944 states and 24292 transitions. [2019-09-08 23:06:50,472 INFO L78 Accepts]: Start accepts. Automaton has 18944 states and 24292 transitions. Word has length 377 [2019-09-08 23:06:50,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:50,473 INFO L475 AbstractCegarLoop]: Abstraction has 18944 states and 24292 transitions. [2019-09-08 23:06:50,473 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 18944 states and 24292 transitions. [2019-09-08 23:06:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2019-09-08 23:06:50,480 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:50,481 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:50,481 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:50,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:50,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1573672338, now seen corresponding path program 1 times [2019-09-08 23:06:50,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:50,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:50,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:50,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:50,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2894 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2879 trivial. 0 not checked. [2019-09-08 23:06:50,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:50,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:50,874 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:50,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:50,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:50,875 INFO L87 Difference]: Start difference. First operand 18944 states and 24292 transitions. Second operand 5 states. [2019-09-08 23:06:51,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:51,375 INFO L93 Difference]: Finished difference Result 18950 states and 24297 transitions. [2019-09-08 23:06:51,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:51,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 382 [2019-09-08 23:06:51,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:51,464 INFO L225 Difference]: With dead ends: 18950 [2019-09-08 23:06:51,465 INFO L226 Difference]: Without dead ends: 18948 [2019-09-08 23:06:51,481 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:51,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18948 states. [2019-09-08 23:06:52,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18948 to 18948. [2019-09-08 23:06:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18948 states. [2019-09-08 23:06:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18948 states to 18948 states and 24295 transitions. [2019-09-08 23:06:52,210 INFO L78 Accepts]: Start accepts. Automaton has 18948 states and 24295 transitions. Word has length 382 [2019-09-08 23:06:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:52,211 INFO L475 AbstractCegarLoop]: Abstraction has 18948 states and 24295 transitions. [2019-09-08 23:06:52,211 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 18948 states and 24295 transitions. [2019-09-08 23:06:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-09-08 23:06:52,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:52,223 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:52,224 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:52,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:52,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1882810319, now seen corresponding path program 1 times [2019-09-08 23:06:52,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:52,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:52,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:52,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:52,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2908 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2019-09-08 23:06:52,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:52,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:52,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:52,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:52,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:52,708 INFO L87 Difference]: Start difference. First operand 18948 states and 24295 transitions. Second operand 5 states. [2019-09-08 23:06:53,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:53,512 INFO L93 Difference]: Finished difference Result 18954 states and 24300 transitions. [2019-09-08 23:06:53,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:53,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 387 [2019-09-08 23:06:53,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:53,598 INFO L225 Difference]: With dead ends: 18954 [2019-09-08 23:06:53,598 INFO L226 Difference]: Without dead ends: 18952 [2019-09-08 23:06:53,608 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:53,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18952 states. [2019-09-08 23:06:54,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18952 to 18952. [2019-09-08 23:06:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18952 states. [2019-09-08 23:06:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18952 states to 18952 states and 24298 transitions. [2019-09-08 23:06:54,294 INFO L78 Accepts]: Start accepts. Automaton has 18952 states and 24298 transitions. Word has length 387 [2019-09-08 23:06:54,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:54,295 INFO L475 AbstractCegarLoop]: Abstraction has 18952 states and 24298 transitions. [2019-09-08 23:06:54,295 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 18952 states and 24298 transitions. [2019-09-08 23:06:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-09-08 23:06:54,303 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:54,304 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 6, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:54,304 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:54,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:54,305 INFO L82 PathProgramCache]: Analyzing trace with hash 115205134, now seen corresponding path program 1 times [2019-09-08 23:06:54,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:54,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:54,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:54,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:54,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2907 trivial. 0 not checked. [2019-09-08 23:06:54,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:54,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:54,702 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:54,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:54,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:54,703 INFO L87 Difference]: Start difference. First operand 18952 states and 24298 transitions. Second operand 5 states. [2019-09-08 23:06:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:55,213 INFO L93 Difference]: Finished difference Result 18958 states and 24303 transitions. [2019-09-08 23:06:55,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:55,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 392 [2019-09-08 23:06:55,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:55,281 INFO L225 Difference]: With dead ends: 18958 [2019-09-08 23:06:55,281 INFO L226 Difference]: Without dead ends: 18956 [2019-09-08 23:06:55,292 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18956 states. [2019-09-08 23:06:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18956 to 18956. [2019-09-08 23:06:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18956 states. [2019-09-08 23:06:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18956 states to 18956 states and 24301 transitions. [2019-09-08 23:06:56,243 INFO L78 Accepts]: Start accepts. Automaton has 18956 states and 24301 transitions. Word has length 392 [2019-09-08 23:06:56,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:56,244 INFO L475 AbstractCegarLoop]: Abstraction has 18956 states and 24301 transitions. [2019-09-08 23:06:56,244 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 18956 states and 24301 transitions. [2019-09-08 23:06:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2019-09-08 23:06:56,253 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:56,254 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 7, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:56,254 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:56,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:56,255 INFO L82 PathProgramCache]: Analyzing trace with hash -623275503, now seen corresponding path program 1 times [2019-09-08 23:06:56,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:56,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:56,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:56,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:56,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2948 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2927 trivial. 0 not checked. [2019-09-08 23:06:56,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:56,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:56,609 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:56,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:56,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:56,610 INFO L87 Difference]: Start difference. First operand 18956 states and 24301 transitions. Second operand 5 states. [2019-09-08 23:06:57,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:57,094 INFO L93 Difference]: Finished difference Result 18962 states and 24306 transitions. [2019-09-08 23:06:57,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:57,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 397 [2019-09-08 23:06:57,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:57,178 INFO L225 Difference]: With dead ends: 18962 [2019-09-08 23:06:57,178 INFO L226 Difference]: Without dead ends: 18960 [2019-09-08 23:06:57,189 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18960 states. [2019-09-08 23:06:57,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18960 to 18960. [2019-09-08 23:06:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18960 states. [2019-09-08 23:06:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18960 states to 18960 states and 24304 transitions. [2019-09-08 23:06:57,822 INFO L78 Accepts]: Start accepts. Automaton has 18960 states and 24304 transitions. Word has length 397 [2019-09-08 23:06:57,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:57,824 INFO L475 AbstractCegarLoop]: Abstraction has 18960 states and 24304 transitions. [2019-09-08 23:06:57,824 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 18960 states and 24304 transitions. [2019-09-08 23:06:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2019-09-08 23:06:57,833 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:57,834 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 8, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:57,834 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:57,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:57,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1010189742, now seen corresponding path program 1 times [2019-09-08 23:06:57,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:57,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:57,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:57,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:57,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:06:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2974 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 2951 trivial. 0 not checked. [2019-09-08 23:06:58,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:06:58,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:06:58,558 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:06:58,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:06:58,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:06:58,559 INFO L87 Difference]: Start difference. First operand 18960 states and 24304 transitions. Second operand 5 states. [2019-09-08 23:06:59,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:06:59,110 INFO L93 Difference]: Finished difference Result 20177 states and 25735 transitions. [2019-09-08 23:06:59,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:06:59,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 402 [2019-09-08 23:06:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:06:59,183 INFO L225 Difference]: With dead ends: 20177 [2019-09-08 23:06:59,183 INFO L226 Difference]: Without dead ends: 20175 [2019-09-08 23:06:59,196 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:06:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20175 states. [2019-09-08 23:06:59,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20175 to 20175. [2019-09-08 23:06:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20175 states. [2019-09-08 23:06:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20175 states to 20175 states and 25733 transitions. [2019-09-08 23:06:59,819 INFO L78 Accepts]: Start accepts. Automaton has 20175 states and 25733 transitions. Word has length 402 [2019-09-08 23:06:59,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:06:59,820 INFO L475 AbstractCegarLoop]: Abstraction has 20175 states and 25733 transitions. [2019-09-08 23:06:59,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:06:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 20175 states and 25733 transitions. [2019-09-08 23:06:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-09-08 23:06:59,830 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:06:59,831 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 9, 8, 8, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:06:59,831 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:06:59,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:06:59,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1554644076, now seen corresponding path program 1 times [2019-09-08 23:06:59,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:06:59,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:06:59,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:59,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:06:59,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:06:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3009 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2987 trivial. 0 not checked. [2019-09-08 23:07:00,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:00,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:07:00,140 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:07:00,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:07:00,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:00,141 INFO L87 Difference]: Start difference. First operand 20175 states and 25733 transitions. Second operand 3 states. [2019-09-08 23:07:02,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:02,341 INFO L93 Difference]: Finished difference Result 46085 states and 58833 transitions. [2019-09-08 23:07:02,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:07:02,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 439 [2019-09-08 23:07:02,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:02,458 INFO L225 Difference]: With dead ends: 46085 [2019-09-08 23:07:02,458 INFO L226 Difference]: Without dead ends: 28621 [2019-09-08 23:07:02,513 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:02,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28621 states. [2019-09-08 23:07:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28621 to 28564. [2019-09-08 23:07:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28564 states. [2019-09-08 23:07:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28564 states to 28564 states and 36454 transitions. [2019-09-08 23:07:03,395 INFO L78 Accepts]: Start accepts. Automaton has 28564 states and 36454 transitions. Word has length 439 [2019-09-08 23:07:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:03,396 INFO L475 AbstractCegarLoop]: Abstraction has 28564 states and 36454 transitions. [2019-09-08 23:07:03,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:07:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 28564 states and 36454 transitions. [2019-09-08 23:07:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2019-09-08 23:07:03,409 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:03,411 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 9, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:03,411 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:03,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:03,412 INFO L82 PathProgramCache]: Analyzing trace with hash -740858895, now seen corresponding path program 1 times [2019-09-08 23:07:03,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:03,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:03,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:03,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:03,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2979 trivial. 0 not checked. [2019-09-08 23:07:03,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:03,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:07:03,765 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:07:03,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:07:03,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:07:03,766 INFO L87 Difference]: Start difference. First operand 28564 states and 36454 transitions. Second operand 5 states. [2019-09-08 23:07:04,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:04,643 INFO L93 Difference]: Finished difference Result 28570 states and 36459 transitions. [2019-09-08 23:07:04,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:07:04,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 407 [2019-09-08 23:07:04,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:04,748 INFO L225 Difference]: With dead ends: 28570 [2019-09-08 23:07:04,748 INFO L226 Difference]: Without dead ends: 28568 [2019-09-08 23:07:04,763 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:07:04,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28568 states. [2019-09-08 23:07:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28568 to 28568. [2019-09-08 23:07:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28568 states. [2019-09-08 23:07:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28568 states to 28568 states and 36457 transitions. [2019-09-08 23:07:05,568 INFO L78 Accepts]: Start accepts. Automaton has 28568 states and 36457 transitions. Word has length 407 [2019-09-08 23:07:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:05,568 INFO L475 AbstractCegarLoop]: Abstraction has 28568 states and 36457 transitions. [2019-09-08 23:07:05,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:07:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 28568 states and 36457 transitions. [2019-09-08 23:07:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2019-09-08 23:07:05,580 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:05,580 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 10, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:05,580 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:05,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:05,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2091568974, now seen corresponding path program 1 times [2019-09-08 23:07:05,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:05,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:05,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:05,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:05,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3038 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3011 trivial. 0 not checked. [2019-09-08 23:07:05,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:05,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:07:05,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:07:05,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:07:05,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:07:06,000 INFO L87 Difference]: Start difference. First operand 28568 states and 36457 transitions. Second operand 5 states. [2019-09-08 23:07:07,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:07,028 INFO L93 Difference]: Finished difference Result 28574 states and 36462 transitions. [2019-09-08 23:07:07,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:07:07,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 412 [2019-09-08 23:07:07,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:07,101 INFO L225 Difference]: With dead ends: 28574 [2019-09-08 23:07:07,101 INFO L226 Difference]: Without dead ends: 28572 [2019-09-08 23:07:07,114 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:07:07,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28572 states. [2019-09-08 23:07:07,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28572 to 28572. [2019-09-08 23:07:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28572 states. [2019-09-08 23:07:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28572 states to 28572 states and 36460 transitions. [2019-09-08 23:07:07,929 INFO L78 Accepts]: Start accepts. Automaton has 28572 states and 36460 transitions. Word has length 412 [2019-09-08 23:07:07,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:07,929 INFO L475 AbstractCegarLoop]: Abstraction has 28572 states and 36460 transitions. [2019-09-08 23:07:07,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:07:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 28572 states and 36460 transitions. [2019-09-08 23:07:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2019-09-08 23:07:07,938 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:07,938 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 11, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:07,939 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:07,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:07,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1793978927, now seen corresponding path program 1 times [2019-09-08 23:07:07,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:07,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:07,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:07,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:07,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:08,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3047 trivial. 0 not checked. [2019-09-08 23:07:08,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:08,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:07:08,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:07:08,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:07:08,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:07:08,370 INFO L87 Difference]: Start difference. First operand 28572 states and 36460 transitions. Second operand 5 states. [2019-09-08 23:07:09,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:09,041 INFO L93 Difference]: Finished difference Result 28578 states and 36465 transitions. [2019-09-08 23:07:09,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:07:09,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 417 [2019-09-08 23:07:09,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:09,134 INFO L225 Difference]: With dead ends: 28578 [2019-09-08 23:07:09,134 INFO L226 Difference]: Without dead ends: 28576 [2019-09-08 23:07:09,149 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:07:09,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28576 states. [2019-09-08 23:07:11,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28576 to 28576. [2019-09-08 23:07:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28576 states. [2019-09-08 23:07:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28576 states to 28576 states and 36463 transitions. [2019-09-08 23:07:11,285 INFO L78 Accepts]: Start accepts. Automaton has 28576 states and 36463 transitions. Word has length 417 [2019-09-08 23:07:11,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:11,286 INFO L475 AbstractCegarLoop]: Abstraction has 28576 states and 36463 transitions. [2019-09-08 23:07:11,286 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:07:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 28576 states and 36463 transitions. [2019-09-08 23:07:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-09-08 23:07:11,297 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:11,298 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 12, 11, 11, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:11,298 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:11,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:11,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1361674478, now seen corresponding path program 1 times [2019-09-08 23:07:11,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:11,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:11,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:11,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:11,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3118 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3087 trivial. 0 not checked. [2019-09-08 23:07:11,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:11,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:07:11,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:07:11,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:07:11,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:07:11,814 INFO L87 Difference]: Start difference. First operand 28576 states and 36463 transitions. Second operand 5 states. [2019-09-08 23:07:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:12,502 INFO L93 Difference]: Finished difference Result 28582 states and 36468 transitions. [2019-09-08 23:07:12,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:07:12,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 422 [2019-09-08 23:07:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:12,589 INFO L225 Difference]: With dead ends: 28582 [2019-09-08 23:07:12,590 INFO L226 Difference]: Without dead ends: 28580 [2019-09-08 23:07:12,605 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:07:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28580 states. [2019-09-08 23:07:13,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28580 to 28580. [2019-09-08 23:07:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28580 states. [2019-09-08 23:07:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28580 states to 28580 states and 36466 transitions. [2019-09-08 23:07:13,759 INFO L78 Accepts]: Start accepts. Automaton has 28580 states and 36466 transitions. Word has length 422 [2019-09-08 23:07:13,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:13,760 INFO L475 AbstractCegarLoop]: Abstraction has 28580 states and 36466 transitions. [2019-09-08 23:07:13,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:07:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 28580 states and 36466 transitions. [2019-09-08 23:07:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-09-08 23:07:13,770 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:13,770 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 13, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:13,771 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:13,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:13,771 INFO L82 PathProgramCache]: Analyzing trace with hash -94662735, now seen corresponding path program 1 times [2019-09-08 23:07:13,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:13,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:13,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:13,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:13,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3131 trivial. 0 not checked. [2019-09-08 23:07:14,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:14,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:07:14,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:07:14,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:07:14,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:07:14,156 INFO L87 Difference]: Start difference. First operand 28580 states and 36466 transitions. Second operand 5 states. [2019-09-08 23:07:14,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:14,996 INFO L93 Difference]: Finished difference Result 28586 states and 36471 transitions. [2019-09-08 23:07:14,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:07:14,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 427 [2019-09-08 23:07:14,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:15,077 INFO L225 Difference]: With dead ends: 28586 [2019-09-08 23:07:15,077 INFO L226 Difference]: Without dead ends: 28584 [2019-09-08 23:07:15,092 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:07:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28584 states. [2019-09-08 23:07:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28584 to 28584. [2019-09-08 23:07:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28584 states. [2019-09-08 23:07:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28584 states to 28584 states and 36469 transitions. [2019-09-08 23:07:16,416 INFO L78 Accepts]: Start accepts. Automaton has 28584 states and 36469 transitions. Word has length 427 [2019-09-08 23:07:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:16,416 INFO L475 AbstractCegarLoop]: Abstraction has 28584 states and 36469 transitions. [2019-09-08 23:07:16,416 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:07:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 28584 states and 36469 transitions. [2019-09-08 23:07:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2019-09-08 23:07:16,427 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:16,428 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 14, 13, 13, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:16,428 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:16,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:16,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1897945742, now seen corresponding path program 1 times [2019-09-08 23:07:16,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:16,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:16,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:16,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:16,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3179 trivial. 0 not checked. [2019-09-08 23:07:16,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:16,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:07:16,770 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:07:16,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:07:16,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:07:16,771 INFO L87 Difference]: Start difference. First operand 28584 states and 36469 transitions. Second operand 5 states. [2019-09-08 23:07:17,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:17,522 INFO L93 Difference]: Finished difference Result 28590 states and 36474 transitions. [2019-09-08 23:07:17,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:07:17,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 432 [2019-09-08 23:07:17,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:17,629 INFO L225 Difference]: With dead ends: 28590 [2019-09-08 23:07:17,629 INFO L226 Difference]: Without dead ends: 28586 [2019-09-08 23:07:17,643 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:07:17,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28586 states. [2019-09-08 23:07:18,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28586 to 28586. [2019-09-08 23:07:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28586 states. [2019-09-08 23:07:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28586 states to 28586 states and 36470 transitions. [2019-09-08 23:07:18,987 INFO L78 Accepts]: Start accepts. Automaton has 28586 states and 36470 transitions. Word has length 432 [2019-09-08 23:07:18,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:18,988 INFO L475 AbstractCegarLoop]: Abstraction has 28586 states and 36470 transitions. [2019-09-08 23:07:18,988 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:07:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 28586 states and 36470 transitions. [2019-09-08 23:07:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-09-08 23:07:19,001 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:19,002 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 15, 14, 14, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:19,002 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:19,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:19,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1056577135, now seen corresponding path program 1 times [2019-09-08 23:07:19,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:19,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:19,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:19,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:19,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3268 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3231 trivial. 0 not checked. [2019-09-08 23:07:19,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:19,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 23:07:19,409 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 23:07:19,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 23:07:19,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 23:07:19,410 INFO L87 Difference]: Start difference. First operand 28586 states and 36470 transitions. Second operand 5 states. [2019-09-08 23:07:20,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:20,132 INFO L93 Difference]: Finished difference Result 28586 states and 36470 transitions. [2019-09-08 23:07:20,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 23:07:20,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 437 [2019-09-08 23:07:20,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:20,227 INFO L225 Difference]: With dead ends: 28586 [2019-09-08 23:07:20,227 INFO L226 Difference]: Without dead ends: 28356 [2019-09-08 23:07:20,243 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:07:20,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28356 states. [2019-09-08 23:07:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28356 to 28356. [2019-09-08 23:07:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28356 states. [2019-09-08 23:07:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28356 states to 28356 states and 36197 transitions. [2019-09-08 23:07:21,617 INFO L78 Accepts]: Start accepts. Automaton has 28356 states and 36197 transitions. Word has length 437 [2019-09-08 23:07:21,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:21,618 INFO L475 AbstractCegarLoop]: Abstraction has 28356 states and 36197 transitions. [2019-09-08 23:07:21,618 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 23:07:21,618 INFO L276 IsEmpty]: Start isEmpty. Operand 28356 states and 36197 transitions. [2019-09-08 23:07:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2019-09-08 23:07:21,628 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:21,628 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:21,628 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:21,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:21,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1727073043, now seen corresponding path program 1 times [2019-09-08 23:07:21,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:21,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:21,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:21,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:21,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2903 trivial. 0 not checked. [2019-09-08 23:07:22,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:22,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:07:22,065 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:07:22,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:07:22,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:22,066 INFO L87 Difference]: Start difference. First operand 28356 states and 36197 transitions. Second operand 3 states. [2019-09-08 23:07:24,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:24,391 INFO L93 Difference]: Finished difference Result 62167 states and 79356 transitions. [2019-09-08 23:07:24,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:07:24,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 457 [2019-09-08 23:07:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:24,491 INFO L225 Difference]: With dead ends: 62167 [2019-09-08 23:07:24,491 INFO L226 Difference]: Without dead ends: 36522 [2019-09-08 23:07:24,553 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:24,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36522 states. [2019-09-08 23:07:27,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36522 to 36510. [2019-09-08 23:07:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36510 states. [2019-09-08 23:07:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36510 states to 36510 states and 46531 transitions. [2019-09-08 23:07:27,142 INFO L78 Accepts]: Start accepts. Automaton has 36510 states and 46531 transitions. Word has length 457 [2019-09-08 23:07:27,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:27,143 INFO L475 AbstractCegarLoop]: Abstraction has 36510 states and 46531 transitions. [2019-09-08 23:07:27,143 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:07:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 36510 states and 46531 transitions. [2019-09-08 23:07:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2019-09-08 23:07:27,161 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:27,161 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:27,162 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:27,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:27,162 INFO L82 PathProgramCache]: Analyzing trace with hash 568749727, now seen corresponding path program 1 times [2019-09-08 23:07:27,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:27,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:27,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:27,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:27,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2019-09-08 23:07:27,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:27,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:07:27,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:07:27,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:07:27,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:27,660 INFO L87 Difference]: Start difference. First operand 36510 states and 46531 transitions. Second operand 3 states. [2019-09-08 23:07:31,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:31,753 INFO L93 Difference]: Finished difference Result 93369 states and 119012 transitions. [2019-09-08 23:07:31,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:07:31,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 539 [2019-09-08 23:07:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:31,936 INFO L225 Difference]: With dead ends: 93369 [2019-09-08 23:07:31,936 INFO L226 Difference]: Without dead ends: 56585 [2019-09-08 23:07:32,013 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56585 states. [2019-09-08 23:07:35,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56585 to 56545. [2019-09-08 23:07:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56545 states. [2019-09-08 23:07:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56545 states to 56545 states and 71853 transitions. [2019-09-08 23:07:35,906 INFO L78 Accepts]: Start accepts. Automaton has 56545 states and 71853 transitions. Word has length 539 [2019-09-08 23:07:35,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:35,907 INFO L475 AbstractCegarLoop]: Abstraction has 56545 states and 71853 transitions. [2019-09-08 23:07:35,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:07:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 56545 states and 71853 transitions. [2019-09-08 23:07:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2019-09-08 23:07:35,927 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:35,928 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:35,928 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:35,929 INFO L82 PathProgramCache]: Analyzing trace with hash 552417376, now seen corresponding path program 1 times [2019-09-08 23:07:35,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:35,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:35,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:35,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:35,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3300 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3289 trivial. 0 not checked. [2019-09-08 23:07:36,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:36,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:07:36,514 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:07:36,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:07:36,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:36,515 INFO L87 Difference]: Start difference. First operand 56545 states and 71853 transitions. Second operand 3 states. [2019-09-08 23:07:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:40,441 INFO L93 Difference]: Finished difference Result 123750 states and 157239 transitions. [2019-09-08 23:07:40,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:07:40,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 572 [2019-09-08 23:07:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:40,647 INFO L225 Difference]: With dead ends: 123750 [2019-09-08 23:07:40,647 INFO L226 Difference]: Without dead ends: 67260 [2019-09-08 23:07:40,737 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:40,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67260 states. [2019-09-08 23:07:45,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67260 to 67041. [2019-09-08 23:07:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67041 states. [2019-09-08 23:07:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67041 states to 67041 states and 85104 transitions. [2019-09-08 23:07:45,355 INFO L78 Accepts]: Start accepts. Automaton has 67041 states and 85104 transitions. Word has length 572 [2019-09-08 23:07:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:45,355 INFO L475 AbstractCegarLoop]: Abstraction has 67041 states and 85104 transitions. [2019-09-08 23:07:45,355 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:07:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 67041 states and 85104 transitions. [2019-09-08 23:07:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2019-09-08 23:07:45,372 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:45,373 INFO L399 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 29, 13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:45,373 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:45,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:45,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1391451038, now seen corresponding path program 1 times [2019-09-08 23:07:45,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:45,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:45,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:45,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:45,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3300 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3289 trivial. 0 not checked. [2019-09-08 23:07:45,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:45,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:07:45,939 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:07:45,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:07:45,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:45,941 INFO L87 Difference]: Start difference. First operand 67041 states and 85104 transitions. Second operand 3 states. [2019-09-08 23:07:49,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:07:49,776 INFO L93 Difference]: Finished difference Result 145078 states and 184065 transitions. [2019-09-08 23:07:49,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:07:49,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 572 [2019-09-08 23:07:49,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:07:52,426 INFO L225 Difference]: With dead ends: 145078 [2019-09-08 23:07:52,427 INFO L226 Difference]: Without dead ends: 78435 [2019-09-08 23:07:52,503 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:52,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78435 states. [2019-09-08 23:07:55,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78435 to 78415. [2019-09-08 23:07:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78415 states. [2019-09-08 23:07:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78415 states to 78415 states and 99309 transitions. [2019-09-08 23:07:55,220 INFO L78 Accepts]: Start accepts. Automaton has 78415 states and 99309 transitions. Word has length 572 [2019-09-08 23:07:55,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:07:55,221 INFO L475 AbstractCegarLoop]: Abstraction has 78415 states and 99309 transitions. [2019-09-08 23:07:55,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:07:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 78415 states and 99309 transitions. [2019-09-08 23:07:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2019-09-08 23:07:55,254 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:07:55,254 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 14, 14, 14, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:07:55,255 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:07:55,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:07:55,255 INFO L82 PathProgramCache]: Analyzing trace with hash -443462219, now seen corresponding path program 1 times [2019-09-08 23:07:55,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:07:55,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:07:55,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:55,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:07:55,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:07:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:07:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3516 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3495 trivial. 0 not checked. [2019-09-08 23:07:55,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:07:55,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:07:55,831 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:07:55,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:07:55,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:07:55,832 INFO L87 Difference]: Start difference. First operand 78415 states and 99309 transitions. Second operand 3 states. [2019-09-08 23:08:00,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:08:00,031 INFO L93 Difference]: Finished difference Result 167502 states and 212210 transitions. [2019-09-08 23:08:00,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:08:00,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 635 [2019-09-08 23:08:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:08:00,307 INFO L225 Difference]: With dead ends: 167502 [2019-09-08 23:08:00,307 INFO L226 Difference]: Without dead ends: 89485 [2019-09-08 23:08:00,425 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:08:00,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89485 states. [2019-09-08 23:08:06,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89485 to 89465. [2019-09-08 23:08:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89465 states. [2019-09-08 23:08:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89465 states to 89465 states and 113261 transitions. [2019-09-08 23:08:06,519 INFO L78 Accepts]: Start accepts. Automaton has 89465 states and 113261 transitions. Word has length 635 [2019-09-08 23:08:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:08:06,520 INFO L475 AbstractCegarLoop]: Abstraction has 89465 states and 113261 transitions. [2019-09-08 23:08:06,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:08:06,520 INFO L276 IsEmpty]: Start isEmpty. Operand 89465 states and 113261 transitions. [2019-09-08 23:08:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2019-09-08 23:08:06,545 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:08:06,545 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 14, 14, 14, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:08:06,546 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:08:06,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:08:06,546 INFO L82 PathProgramCache]: Analyzing trace with hash 395571443, now seen corresponding path program 1 times [2019-09-08 23:08:06,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:08:06,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:08:06,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:08:06,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:08:06,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:08:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:08:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3516 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 3489 trivial. 0 not checked. [2019-09-08 23:08:07,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:08:07,063 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:08:07,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:08:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:08:08,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 7337 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 23:08:08,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:08:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3516 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3419 trivial. 0 not checked. [2019-09-08 23:08:08,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 23:08:08,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-08 23:08:08,636 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 23:08:08,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 23:08:08,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 23:08:08,639 INFO L87 Difference]: Start difference. First operand 89465 states and 113261 transitions. Second operand 8 states. [2019-09-08 23:09:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:09:17,986 INFO L93 Difference]: Finished difference Result 211201 states and 266368 transitions. [2019-09-08 23:09:17,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-08 23:09:17,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 635 [2019-09-08 23:09:17,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:09:18,987 INFO L225 Difference]: With dead ends: 211201 [2019-09-08 23:09:18,987 INFO L226 Difference]: Without dead ends: 122134 [2019-09-08 23:09:19,295 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 673 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2019-09-08 23:09:19,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122134 states. [2019-09-08 23:09:25,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122134 to 121875. [2019-09-08 23:09:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121875 states. [2019-09-08 23:09:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121875 states to 121875 states and 153131 transitions. [2019-09-08 23:09:25,598 INFO L78 Accepts]: Start accepts. Automaton has 121875 states and 153131 transitions. Word has length 635 [2019-09-08 23:09:25,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:09:25,599 INFO L475 AbstractCegarLoop]: Abstraction has 121875 states and 153131 transitions. [2019-09-08 23:09:25,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 23:09:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 121875 states and 153131 transitions. [2019-09-08 23:09:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2019-09-08 23:09:25,696 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:09:25,696 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:09:25,697 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:09:25,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:09:25,697 INFO L82 PathProgramCache]: Analyzing trace with hash -2009268952, now seen corresponding path program 1 times [2019-09-08 23:09:25,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:09:25,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:09:25,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:09:25,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:09:25,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:09:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:09:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 3080 trivial. 0 not checked. [2019-09-08 23:09:27,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:09:27,166 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:09:27,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:09:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:09:28,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 7259 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 23:09:28,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:09:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3105 trivial. 0 not checked. [2019-09-08 23:09:28,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 23:09:28,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-08 23:09:28,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 23:09:28,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 23:09:28,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 23:09:28,738 INFO L87 Difference]: Start difference. First operand 121875 states and 153131 transitions. Second operand 6 states. [2019-09-08 23:10:38,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:10:38,256 INFO L93 Difference]: Finished difference Result 282759 states and 356291 transitions. [2019-09-08 23:10:38,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 23:10:38,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 659 [2019-09-08 23:10:38,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:10:39,746 INFO L225 Difference]: With dead ends: 282759 [2019-09-08 23:10:39,747 INFO L226 Difference]: Without dead ends: 160458 [2019-09-08 23:10:39,912 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 661 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-09-08 23:10:40,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160458 states. [2019-09-08 23:10:49,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160458 to 122002. [2019-09-08 23:10:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122002 states. [2019-09-08 23:10:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122002 states to 122002 states and 153284 transitions. [2019-09-08 23:10:49,982 INFO L78 Accepts]: Start accepts. Automaton has 122002 states and 153284 transitions. Word has length 659 [2019-09-08 23:10:49,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:10:49,983 INFO L475 AbstractCegarLoop]: Abstraction has 122002 states and 153284 transitions. [2019-09-08 23:10:49,983 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 23:10:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 122002 states and 153284 transitions. [2019-09-08 23:10:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2019-09-08 23:10:50,052 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:10:50,053 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:10:50,053 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:10:50,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:10:50,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1090405528, now seen corresponding path program 1 times [2019-09-08 23:10:50,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:10:50,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:10:50,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:10:50,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:10:50,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:10:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:10:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3104 trivial. 0 not checked. [2019-09-08 23:10:50,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:10:50,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:10:50,709 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:10:50,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:10:50,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:10:50,709 INFO L87 Difference]: Start difference. First operand 122002 states and 153284 transitions. Second operand 3 states. [2019-09-08 23:11:01,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:11:01,531 INFO L93 Difference]: Finished difference Result 284915 states and 357968 transitions. [2019-09-08 23:11:01,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:11:01,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 659 [2019-09-08 23:11:01,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:11:02,083 INFO L225 Difference]: With dead ends: 284915 [2019-09-08 23:11:02,083 INFO L226 Difference]: Without dead ends: 163318 [2019-09-08 23:11:02,224 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:11:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163318 states. [2019-09-08 23:11:08,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163318 to 163218. [2019-09-08 23:11:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163218 states. [2019-09-08 23:11:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163218 states to 163218 states and 204494 transitions. [2019-09-08 23:11:08,664 INFO L78 Accepts]: Start accepts. Automaton has 163218 states and 204494 transitions. Word has length 659 [2019-09-08 23:11:08,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:11:08,665 INFO L475 AbstractCegarLoop]: Abstraction has 163218 states and 204494 transitions. [2019-09-08 23:11:08,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:11:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 163218 states and 204494 transitions. [2019-09-08 23:11:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2019-09-08 23:11:08,704 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:11:08,705 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 15, 15, 15, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:11:08,705 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:11:08,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:11:08,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1586890019, now seen corresponding path program 1 times [2019-09-08 23:11:08,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:11:08,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:11:08,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:11:08,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:11:08,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:11:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:11:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3670 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3661 trivial. 0 not checked. [2019-09-08 23:11:13,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 23:11:13,102 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 23:11:13,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:11:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:11:14,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 7532 conjuncts, 23 conjunts are in the unsatisfiable core [2019-09-08 23:11:14,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 23:11:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3670 backedges. 298 proven. 12 refuted. 0 times theorem prover too weak. 3360 trivial. 0 not checked. [2019-09-08 23:11:15,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 23:11:15,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18] total 22 [2019-09-08 23:11:15,326 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-08 23:11:15,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-08 23:11:15,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2019-09-08 23:11:15,326 INFO L87 Difference]: Start difference. First operand 163218 states and 204494 transitions. Second operand 22 states. [2019-09-08 23:14:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:14:30,619 INFO L93 Difference]: Finished difference Result 457424 states and 572548 transitions. [2019-09-08 23:14:30,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2019-09-08 23:14:30,620 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 670 [2019-09-08 23:14:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:14:31,488 INFO L225 Difference]: With dead ends: 457424 [2019-09-08 23:14:31,488 INFO L226 Difference]: Without dead ends: 294003 [2019-09-08 23:14:32,473 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1537 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=759, Invalid=4941, Unknown=0, NotChecked=0, Total=5700 [2019-09-08 23:14:32,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294003 states. [2019-09-08 23:14:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294003 to 284942. [2019-09-08 23:14:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284942 states. [2019-09-08 23:14:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284942 states to 284942 states and 356220 transitions. [2019-09-08 23:14:57,177 INFO L78 Accepts]: Start accepts. Automaton has 284942 states and 356220 transitions. Word has length 670 [2019-09-08 23:14:57,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:14:57,178 INFO L475 AbstractCegarLoop]: Abstraction has 284942 states and 356220 transitions. [2019-09-08 23:14:57,178 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-08 23:14:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 284942 states and 356220 transitions. [2019-09-08 23:14:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2019-09-08 23:14:57,271 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:14:57,272 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 12, 12, 12, 8, 8, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:14:57,272 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:14:57,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:14:57,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1512220330, now seen corresponding path program 1 times [2019-09-08 23:14:57,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:14:57,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:14:57,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:14:57,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:14:57,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:14:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:14:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3473 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2019-09-08 23:14:58,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:14:58,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:14:58,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:14:58,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:14:58,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:14:58,628 INFO L87 Difference]: Start difference. First operand 284942 states and 356220 transitions. Second operand 3 states. [2019-09-08 23:15:23,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:15:23,196 INFO L93 Difference]: Finished difference Result 636926 states and 796289 transitions. [2019-09-08 23:15:23,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:15:23,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 799 [2019-09-08 23:15:23,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:15:24,488 INFO L225 Difference]: With dead ends: 636926 [2019-09-08 23:15:24,488 INFO L226 Difference]: Without dead ends: 351023 [2019-09-08 23:15:24,905 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:15:25,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351023 states. [2019-09-08 23:15:49,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351023 to 350021. [2019-09-08 23:15:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350021 states. [2019-09-08 23:15:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350021 states to 350021 states and 436805 transitions. [2019-09-08 23:15:50,188 INFO L78 Accepts]: Start accepts. Automaton has 350021 states and 436805 transitions. Word has length 799 [2019-09-08 23:15:50,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:15:50,189 INFO L475 AbstractCegarLoop]: Abstraction has 350021 states and 436805 transitions. [2019-09-08 23:15:50,189 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:15:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 350021 states and 436805 transitions. [2019-09-08 23:15:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2019-09-08 23:15:50,285 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:15:50,285 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 12, 12, 12, 8, 8, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:15:50,285 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:15:50,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:15:50,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1681839272, now seen corresponding path program 1 times [2019-09-08 23:15:50,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:15:50,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:15:50,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:15:50,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:15:50,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:15:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:15:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3473 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2019-09-08 23:15:51,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:15:51,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:15:51,755 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:15:51,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:15:51,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:15:51,755 INFO L87 Difference]: Start difference. First operand 350021 states and 436805 transitions. Second operand 3 states. [2019-09-08 23:16:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 23:16:17,418 INFO L93 Difference]: Finished difference Result 767378 states and 958047 transitions. [2019-09-08 23:16:17,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 23:16:17,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 799 [2019-09-08 23:16:17,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 23:16:18,726 INFO L225 Difference]: With dead ends: 767378 [2019-09-08 23:16:18,726 INFO L226 Difference]: Without dead ends: 417762 [2019-09-08 23:16:19,157 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:16:19,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417762 states. [2019-09-08 23:16:55,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417762 to 417556. [2019-09-08 23:16:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417556 states. [2019-09-08 23:16:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417556 states to 417556 states and 520306 transitions. [2019-09-08 23:16:56,921 INFO L78 Accepts]: Start accepts. Automaton has 417556 states and 520306 transitions. Word has length 799 [2019-09-08 23:16:56,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 23:16:56,922 INFO L475 AbstractCegarLoop]: Abstraction has 417556 states and 520306 transitions. [2019-09-08 23:16:56,922 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 23:16:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 417556 states and 520306 transitions. [2019-09-08 23:16:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 784 [2019-09-08 23:16:57,029 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 23:16:57,030 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 16, 16, 16, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 23:16:57,030 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 23:16:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 23:16:57,031 INFO L82 PathProgramCache]: Analyzing trace with hash -555962121, now seen corresponding path program 1 times [2019-09-08 23:16:57,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 23:16:57,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 23:16:57,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:16:57,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 23:16:57,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 23:16:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 23:16:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3733 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2019-09-08 23:16:59,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 23:16:59,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 23:16:59,244 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 23:16:59,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 23:16:59,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 23:16:59,245 INFO L87 Difference]: Start difference. First operand 417556 states and 520306 transitions. Second operand 3 states.