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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--rcu--rcutorture.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:34:29,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:34:29,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:34:29,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:34:29,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:34:29,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:34:29,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:34:29,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:34:29,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:34:29,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:34:29,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:34:29,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:34:29,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:34:29,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:34:29,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:34:29,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:34:29,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:34:29,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:34:29,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:34:29,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:34:29,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:34:29,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:34:29,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:34:29,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:34:29,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:34:29,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:34:29,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:34:29,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:34:29,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:34:29,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:34:29,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:34:29,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:34:29,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:34:29,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:34:29,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:34:29,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:34:29,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:34:29,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:34:29,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:34:29,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:34:29,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:34:29,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 18:34:29,641 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:34:29,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:34:29,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:34:29,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:34:29,647 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:34:29,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:34:29,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:34:29,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:34:29,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:34:29,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:34:29,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:34:29,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:34:29,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:34:29,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:34:29,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:34:29,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:34:29,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:34:29,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:34:29,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:34:29,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:34:29,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:34:29,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:34:29,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:34:29,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:34:29,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:34:29,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:34:29,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:34:29,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:34:29,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:34:29,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:34:29,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:34:29,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:34:29,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:34:29,938 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:34:29,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--rcu--rcutorture.ko-entry_point.cil.out.i [2019-10-13 18:34:30,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cfe20877/2ff0181afa194affa761c0833bf969b1/FLAGec37c887e [2019-10-13 18:34:30,884 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:34:30,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--rcu--rcutorture.ko-entry_point.cil.out.i [2019-10-13 18:34:30,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cfe20877/2ff0181afa194affa761c0833bf969b1/FLAGec37c887e [2019-10-13 18:34:31,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cfe20877/2ff0181afa194affa761c0833bf969b1 [2019-10-13 18:34:31,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:34:31,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:34:31,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:34:31,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:34:31,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:34:31,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:34:31" (1/1) ... [2019-10-13 18:34:31,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dd5b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:31, skipping insertion in model container [2019-10-13 18:34:31,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:34:31" (1/1) ... [2019-10-13 18:34:31,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:34:31,552 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:34:32,059 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1852] [2019-10-13 18:34:32,060 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1853-1854] [2019-10-13 18:34:33,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:34:33,502 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:34:33,580 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1852] [2019-10-13 18:34:33,580 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1853-1854] [2019-10-13 18:34:33,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:34:34,388 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:34:34,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34 WrapperNode [2019-10-13 18:34:34,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:34:34,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:34:34,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:34:34,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:34:34,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... [2019-10-13 18:34:34,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... [2019-10-13 18:34:34,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... [2019-10-13 18:34:34,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... [2019-10-13 18:34:34,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... [2019-10-13 18:34:34,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... [2019-10-13 18:34:34,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... [2019-10-13 18:34:34,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:34:34,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:34:34,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:34:34,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:34:34,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:34:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:34:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:34:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 18:34:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-10-13 18:34:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2019-10-13 18:34:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 18:34:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:34:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 18:34:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 18:34:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 18:34:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 18:34:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-13 18:34:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-13 18:34:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 18:34:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-13 18:34:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2019-10-13 18:34:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2019-10-13 18:34:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-13 18:34:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 18:34:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-13 18:34:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-10-13 18:34:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 18:34:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 18:34:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 18:34:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 18:34:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 18:34:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 18:34:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-13 18:34:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_xchg [2019-10-13 18:34:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-13 18:34:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-13 18:34:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-13 18:34:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2019-10-13 18:34:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2019-10-13 18:34:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-13 18:34:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_2 [2019-10-13 18:34:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-13 18:34:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_6 [2019-10-13 18:34:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-13 18:34:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __this_cpu_preempt_check [2019-10-13 18:34:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-13 18:34:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-13 18:34:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2019-10-13 18:34:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_bh_expedited [2019-10-13 18:34:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-13 18:34:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-13 18:34:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-10-13 18:34:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-13 18:34:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-13 18:34:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-13 18:34:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2019-10-13 18:34:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2019-10-13 18:34:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_lock_held [2019-10-13 18:34:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_lock [2019-10-13 18:34:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_unlock [2019-10-13 18:34:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:34:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-13 18:34:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:34:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 18:34:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 18:34:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 18:34:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 18:34:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:34:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 18:34:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:34:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 18:34:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_trace_clock_local [2019-10-13 18:34:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_alloc [2019-10-13 18:34:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_free [2019-10-13 18:34:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_read_lock [2019-10-13 18:34:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_delay [2019-10-13 18:34:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_read_unlock [2019-10-13 18:34:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_completed [2019-10-13 18:34:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_pipe_update_one [2019-10-13 18:34:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_pipe_update [2019-10-13 18:34:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_cb [2019-10-13 18:34:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_no_completed [2019-10-13 18:34:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_deferred_free [2019-10-13 18:34:34,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_sync_torture_init [2019-10-13 18:34:34,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_read_lock [2019-10-13 18:34:34,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_read_unlock [2019-10-13 18:34:34,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_completed [2019-10-13 18:34:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_deferred_free [2019-10-13 18:34:34,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_busted_torture_deferred_free [2019-10-13 18:34:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_busted [2019-10-13 18:34:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rcu_busted [2019-10-13 18:34:34,876 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_read_lock [2019-10-13 18:34:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_delay [2019-10-13 18:34:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_read_unlock [2019-10-13 18:34:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_completed [2019-10-13 18:34:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_deferred_free [2019-10-13 18:34:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_synchronize [2019-10-13 18:34:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_call [2019-10-13 18:34:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_barrier [2019-10-13 18:34:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_stats [2019-10-13 18:34:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_synchronize_expedited [2019-10-13 18:34:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sched_torture_read_lock [2019-10-13 18:34:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sched_torture_read_unlock [2019-10-13 18:34:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_sched_torture_deferred_free [2019-10-13 18:34:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_boost_cb [2019-10-13 18:34:34,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_boost [2019-10-13 18:34:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_fqs [2019-10-13 18:34:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_writer [2019-10-13 18:34:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_fakewriter [2019-10-13 18:34:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_trace_dump [2019-10-13 18:34:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_timer [2019-10-13 18:34:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_reader [2019-10-13 18:34:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_printk [2019-10-13 18:34:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stats_print [2019-10-13 18:34:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stats [2019-10-13 18:34:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_print_module_parms [2019-10-13 18:34:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_booster_cleanup [2019-10-13 18:34:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_booster_init [2019-10-13 18:34:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stall [2019-10-13 18:34:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stall_init [2019-10-13 18:34:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_cbf [2019-10-13 18:34:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_cbs [2019-10-13 18:34:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier [2019-10-13 18:34:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_init [2019-10-13 18:34:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_cleanup [2019-10-13 18:34:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_cpu_notify [2019-10-13 18:34:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_cleanup [2019-10-13 18:34:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_leak_cb [2019-10-13 18:34:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_err_cb [2019-10-13 18:34:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_test_debug_objects [2019-10-13 18:34:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_init [2019-10-13 18:34:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-13 18:34:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-13 18:34:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-13 18:34:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-13 18:34:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-13 18:34:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-13 18:34:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-13 18:34:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:34:34,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 18:34:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-13 18:34:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 18:34:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-13 18:34:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:34:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-13 18:34:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:34:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_19 [2019-10-13 18:34:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_20 [2019-10-13 18:34:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 18:34:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 18:34:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 18:34:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 18:34:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 18:34:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 18:34:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-13 18:34:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_852 [2019-10-13 18:34:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 18:34:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2019-10-13 18:34:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 18:34:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 18:34:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-13 18:34:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_disable_ip [2019-10-13 18:34:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_enable_ip [2019-10-13 18:34:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-13 18:34:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __srcu_read_lock [2019-10-13 18:34:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __srcu_read_unlock [2019-10-13 18:34:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2019-10-13 18:34:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2019-10-13 18:34:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rcu_bh [2019-10-13 18:34:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rcu_sched [2019-10-13 18:34:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure call_srcu [2019-10-13 18:34:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_synchronize_rcu [2019-10-13 18:34:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-13 18:34:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 18:34:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure delayed_work_timer_fn [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_rcu_head_on_stack [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_timer_on_stack [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure do_trace_rcu_torture_read [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ftrace_dump [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2019-10-13 18:34:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_state_synchronize_rcu [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rcu_head_on_stack [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_bind [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:34:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-10-13 18:34:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-13 18:34:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-13 18:34:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-13 18:34:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2019-10-13 18:34:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_3 [2019-10-13 18:34:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_4 [2019-10-13 18:34:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_8 [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-13 18:34:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure process_srcu [2019-10-13 18:34:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_barrier [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_barrier_bh [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_barrier_sched [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_batches_completed [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_batches_completed_bh [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_force_quiescent_state [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_force_quiescent_state [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-13 18:34:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_sched_force_quiescent_state [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_get_gp_data [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_record_progress [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_record_test_transition [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure register_cpu_notifier [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sched_setscheduler [2019-10-13 18:34:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rcu_gp_kthreads [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_barrier [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_batches_completed [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure stutter_wait [2019-10-13 18:34:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_bh [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_expedited [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched_expedited [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_srcu [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_srcu_expedited [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_cleanup [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_begin [2019-10-13 18:34:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_kthread_stopping [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_must_stop [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_must_stop_irq [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_onoff_failures [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_onoff_init [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_onoff_stats [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2019-10-13 18:34:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_shuffle_init [2019-10-13 18:34:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_shutdown_absorb [2019-10-13 18:34:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_shutdown_init [2019-10-13 18:34:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_stutter_init [2019-10-13 18:34:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_clock_local [2019-10-13 18:34:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-13 18:34:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-13 18:34:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_cpu_notifier [2019-10-13 18:34:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-13 18:34:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 18:34:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 18:34:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:34:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:34:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 18:34:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:34:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:34:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:34:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 18:34:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 18:34:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 18:34:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2019-10-13 18:34:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:34:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-13 18:34:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 18:34:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure ftrace_dump [2019-10-13 18:34:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 18:34:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:34:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 18:34:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 18:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 18:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-13 18:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 18:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-13 18:34:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-13 18:34:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 18:34:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 18:34:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_xchg [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_disable_ip [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_enable_ip [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2019-10-13 18:34:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-13 18:34:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_2 [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_6 [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-13 18:34:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_timer_on_stack [2019-10-13 18:34:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_19 [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_20 [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure __this_cpu_preempt_check [2019-10-13 18:34:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_get_gp_data [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_record_test_transition [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_record_progress [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure do_trace_rcu_torture_read [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure call_rcu_bh [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure call_rcu_sched [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-13 18:34:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_bh [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched_expedited [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_expedited [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_bh_expedited [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_barrier [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_barrier_bh [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_barrier_sched [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure get_state_synchronize_rcu [2019-10-13 18:34:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure cond_synchronize_rcu [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_batches_completed [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_batches_completed_bh [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure show_rcu_gp_kthreads [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_force_quiescent_state [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_force_quiescent_state [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_sched_force_quiescent_state [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-13 18:34:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure init_rcu_head_on_stack [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_rcu_head_on_stack [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2019-10-13 18:34:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure process_srcu [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure call_srcu [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure __srcu_read_lock [2019-10-13 18:34:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure __srcu_read_unlock [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_srcu [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_srcu_expedited [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_batches_completed [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_barrier [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_lock_held [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_lock [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_unlock [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:34:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:34:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 18:34:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-13 18:34:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 18:34:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_bind [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure register_cpu_notifier [2019-10-13 18:34:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_cpu_notifier [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure trace_clock_local [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_init [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_stats [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_failures [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shuffle_init [2019-10-13 18:34:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shutdown_absorb [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shutdown_init [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure stutter_wait [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure torture_stutter_init [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_begin [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure torture_cleanup [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure torture_must_stop [2019-10-13 18:34:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure torture_must_stop_irq [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure torture_kthread_stopping [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_trace_clock_local [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_alloc [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_free [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_read_lock [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_delay [2019-10-13 18:34:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_read_unlock [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_completed [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_pipe_update_one [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_pipe_update [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_cb [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_no_completed [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_deferred_free [2019-10-13 18:34:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_sync_torture_init [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_read_lock [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_read_unlock [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_completed [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_deferred_free [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_busted_torture_deferred_free [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_busted [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure call_rcu_busted [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_read_lock [2019-10-13 18:34:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_delay [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_read_unlock [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_completed [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_deferred_free [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_synchronize [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_call [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_barrier [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_stats [2019-10-13 18:34:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_synchronize_expedited [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure sched_torture_read_lock [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure sched_torture_read_unlock [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_sched_torture_deferred_free [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_boost_cb [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_boost [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_fqs [2019-10-13 18:34:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_852 [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_writer [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_fakewriter [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_trace_dump [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_timer [2019-10-13 18:34:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_reader [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_printk [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stats_print [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stats [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_print_module_parms [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_booster_cleanup [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_booster_init [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stall [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stall_init [2019-10-13 18:34:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_cbf [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_cbs [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_init [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_cleanup [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_cpu_notify [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_cleanup [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_leak_cb [2019-10-13 18:34:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_err_cb [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_test_debug_objects [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_init [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_3 [2019-10-13 18:34:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_4 [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_8 [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 18:34:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:34:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:34:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:34:36,682 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 18:34:48,364 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:34:48,364 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 18:34:48,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:34:48 BoogieIcfgContainer [2019-10-13 18:34:48,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:34:48,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:34:48,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:34:48,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:34:48,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:34:31" (1/3) ... [2019-10-13 18:34:48,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cf930f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:34:48, skipping insertion in model container [2019-10-13 18:34:48,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:34:34" (2/3) ... [2019-10-13 18:34:48,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cf930f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:34:48, skipping insertion in model container [2019-10-13 18:34:48,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:34:48" (3/3) ... [2019-10-13 18:34:48,378 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--rcu--rcutorture.ko-entry_point.cil.out.i [2019-10-13 18:34:48,388 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:34:48,409 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:34:48,421 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:34:48,464 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:34:48,464 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:34:48,464 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:34:48,464 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:34:48,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:34:48,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:34:48,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:34:48,465 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:34:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states. [2019-10-13 18:34:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 18:34:48,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:34:48,583 INFO L380 BasicCegarLoop]: trace histogram [19, 19, 19, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:34:48,585 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:34:48,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:34:48,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1353474644, now seen corresponding path program 1 times [2019-10-13 18:34:48,600 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:34:48,601 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063095041] [2019-10-13 18:34:48,601 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:34:48,601 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:34:48,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:34:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,757 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification that was a NOOP. DAG size: 1543 [2019-10-13 18:35:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:35:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2019-10-13 18:35:01,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063095041] [2019-10-13 18:35:01,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:35:01,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:35:01,436 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300364161] [2019-10-13 18:35:01,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:35:01,440 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:35:01,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:35:01,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:35:01,456 INFO L87 Difference]: Start difference. First operand 2920 states. Second operand 7 states.