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 0.1.24-13a467a-m [2019-10-14 22:33:29,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:33:29,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:33:29,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:33:29,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:33:29,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:33:29,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:33:29,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:33:29,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:33:29,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:33:29,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:33:29,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:33:29,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:33:29,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:33:29,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:33:29,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:33:29,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:33:29,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:33:29,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:33:29,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:33:29,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:33:29,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:33:29,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:33:29,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:33:29,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:33:29,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:33:29,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:33:29,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:33:29,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:33:29,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:33:29,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:33:29,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:33:29,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:33:29,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:33:29,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:33:29,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:33:29,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:33:29,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:33:29,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:33:29,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:33:29,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:33:29,957 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 [2019-10-14 22:33:29,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:33:29,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:33:29,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:33:29,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:33:29,974 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:33:29,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:33:29,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:33:29,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:33:29,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:33:29,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:33:29,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:33:29,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:33:29,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:33:29,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:33:29,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:33:29,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:33:29,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:33:29,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:33:29,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:33:29,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:33:29,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:33:29,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:33:29,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:33:29,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:33:29,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:33:29,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:33:29,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:33:29,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:33:29,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:33:30,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:33:30,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:33:30,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:33:30,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:33:30,287 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:33:30,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--rcu--rcutorture.ko-entry_point.cil.out.i [2019-10-14 22:33:30,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c24979a/66e24139dfec453ebc772ba95326a441/FLAGe23776ec9 [2019-10-14 22:33:31,212 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:33:31,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--rcu--rcutorture.ko-entry_point.cil.out.i [2019-10-14 22:33:31,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c24979a/66e24139dfec453ebc772ba95326a441/FLAGe23776ec9 [2019-10-14 22:33:31,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c24979a/66e24139dfec453ebc772ba95326a441 [2019-10-14 22:33:31,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:33:31,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:33:31,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:33:31,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:33:31,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:33:31,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:33:31" (1/1) ... [2019-10-14 22:33:31,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e90c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:31, skipping insertion in model container [2019-10-14 22:33:31,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:33:31" (1/1) ... [2019-10-14 22:33:31,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:33:31,477 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:33:32,075 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1852] [2019-10-14 22:33:32,076 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] [2019-10-14 22:33:33,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:33:33,529 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:33:33,599 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1852] [2019-10-14 22:33:33,599 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] [2019-10-14 22:33:33,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:33:34,309 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:33:34,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34 WrapperNode [2019-10-14 22:33:34,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:33:34,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:33:34,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:33:34,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:33:34,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (1/1) ... [2019-10-14 22:33:34,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (1/1) ... [2019-10-14 22:33:34,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (1/1) ... [2019-10-14 22:33:34,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (1/1) ... [2019-10-14 22:33:34,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (1/1) ... [2019-10-14 22:33:34,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (1/1) ... [2019-10-14 22:33:34,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (1/1) ... [2019-10-14 22:33:34,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:33:34,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:33:34,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:33:34,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:33:34,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (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 [2019-10-14 22:33:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:33:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:33:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:33:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-10-14 22:33:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2019-10-14 22:33:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-14 22:33:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 22:33:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-14 22:33:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-14 22:33:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-14 22:33:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-14 22:33:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-14 22:33:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-14 22:33:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-14 22:33:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-10-14 22:33:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2019-10-14 22:33:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2019-10-14 22:33:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-10-14 22:33:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-14 22:33:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-14 22:33:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2019-10-14 22:33:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-14 22:33:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 22:33:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-14 22:33:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-14 22:33:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-14 22:33:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-14 22:33:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-14 22:33:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_xchg [2019-10-14 22:33:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-10-14 22:33:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-14 22:33:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-14 22:33:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2019-10-14 22:33:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2019-10-14 22:33:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-14 22:33:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_2 [2019-10-14 22:33:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-14 22:33:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_6 [2019-10-14 22:33:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-14 22:33:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __this_cpu_preempt_check [2019-10-14 22:33:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-14 22:33:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-14 22:33:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2019-10-14 22:33:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_bh_expedited [2019-10-14 22:33:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-14 22:33:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-14 22:33:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2019-10-14 22:33:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2019-10-14 22:33:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-14 22:33:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-14 22:33:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2019-10-14 22:33:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2019-10-14 22:33:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_lock_held [2019-10-14 22:33:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_lock [2019-10-14 22:33:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_unlock [2019-10-14 22:33:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 22:33:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-14 22:33:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:33:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:33:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:33:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:33:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:33:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:33:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:33:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:33:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:33:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_trace_clock_local [2019-10-14 22:33:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_alloc [2019-10-14 22:33:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_free [2019-10-14 22:33:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_read_lock [2019-10-14 22:33:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_delay [2019-10-14 22:33:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_read_unlock [2019-10-14 22:33:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_completed [2019-10-14 22:33:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_pipe_update_one [2019-10-14 22:33:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_pipe_update [2019-10-14 22:33:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_cb [2019-10-14 22:33:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_no_completed [2019-10-14 22:33:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_deferred_free [2019-10-14 22:33:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_sync_torture_init [2019-10-14 22:33:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_read_lock [2019-10-14 22:33:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_read_unlock [2019-10-14 22:33:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_completed [2019-10-14 22:33:34,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_torture_deferred_free [2019-10-14 22:33:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_busted_torture_deferred_free [2019-10-14 22:33:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_busted [2019-10-14 22:33:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rcu_busted [2019-10-14 22:33:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_read_lock [2019-10-14 22:33:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_delay [2019-10-14 22:33:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_read_unlock [2019-10-14 22:33:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_completed [2019-10-14 22:33:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_deferred_free [2019-10-14 22:33:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_synchronize [2019-10-14 22:33:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_call [2019-10-14 22:33:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_barrier [2019-10-14 22:33:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_stats [2019-10-14 22:33:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_torture_synchronize_expedited [2019-10-14 22:33:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sched_torture_read_lock [2019-10-14 22:33:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sched_torture_read_unlock [2019-10-14 22:33:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_sched_torture_deferred_free [2019-10-14 22:33:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_boost_cb [2019-10-14 22:33:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_boost [2019-10-14 22:33:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_fqs [2019-10-14 22:33:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_writer [2019-10-14 22:33:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_fakewriter [2019-10-14 22:33:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_trace_dump [2019-10-14 22:33:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_timer [2019-10-14 22:33:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_reader [2019-10-14 22:33:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_printk [2019-10-14 22:33:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stats_print [2019-10-14 22:33:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stats [2019-10-14 22:33:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_print_module_parms [2019-10-14 22:33:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_booster_cleanup [2019-10-14 22:33:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_booster_init [2019-10-14 22:33:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stall [2019-10-14 22:33:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_stall_init [2019-10-14 22:33:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_cbf [2019-10-14 22:33:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_cbs [2019-10-14 22:33:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier [2019-10-14 22:33:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_init [2019-10-14 22:33:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_barrier_cleanup [2019-10-14 22:33:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_cpu_notify [2019-10-14 22:33:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_cleanup [2019-10-14 22:33:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_leak_cb [2019-10-14 22:33:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_err_cb [2019-10-14 22:33:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_test_debug_objects [2019-10-14 22:33:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_torture_init [2019-10-14 22:33:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-14 22:33:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-14 22:33:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-14 22:33:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-14 22:33:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-14 22:33:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-14 22:33:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-14 22:33:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:33:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-14 22:33:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-14 22:33:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-14 22:33:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-14 22:33:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 22:33:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:33:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:33:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_19 [2019-10-14 22:33:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_20 [2019-10-14 22:33:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-14 22:33:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:33:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-14 22:33:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-14 22:33:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-14 22:33:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-14 22:33:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-10-14 22:33:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_852 [2019-10-14 22:33:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-14 22:33:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2019-10-14 22:33:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-14 22:33:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_disable_ip [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_enable_ip [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __srcu_read_lock [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __srcu_read_unlock [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-14 22:33:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2019-10-14 22:33:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rcu_bh [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rcu_sched [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure call_srcu [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_synchronize_rcu [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure delayed_work_timer_fn [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_rcu_head_on_stack [2019-10-14 22:33:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_timer_on_stack [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure do_trace_rcu_torture_read [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ftrace_dump [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_state_synchronize_rcu [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rcu_head_on_stack [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-14 22:33:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_bind [2019-10-14 22:33:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-14 22:33:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-10-14 22:33:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_3 [2019-10-14 22:33:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_4 [2019-10-14 22:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-14 22:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-14 22:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_8 [2019-10-14 22:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-14 22:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-14 22:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-14 22:33:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2019-10-14 22:33:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-14 22:33:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-14 22:33:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-14 22:33:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-14 22:33:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-14 22:33:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-14 22:33:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-14 22:33:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:33:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure process_srcu [2019-10-14 22:33:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_barrier [2019-10-14 22:33:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_barrier_bh [2019-10-14 22:33:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_barrier_sched [2019-10-14 22:33:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_batches_completed [2019-10-14 22:33:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_batches_completed_bh [2019-10-14 22:33:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_bh_force_quiescent_state [2019-10-14 22:33:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_force_quiescent_state [2019-10-14 22:33:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-14 22:33:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2019-10-14 22:33:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_sched_force_quiescent_state [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_get_gp_data [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_record_progress [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rcutorture_record_test_transition [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure register_cpu_notifier [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure sched_setscheduler [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-14 22:33:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-14 22:33:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2019-10-14 22:33:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure set_user_nice [2019-10-14 22:33:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rcu_gp_kthreads [2019-10-14 22:33:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_barrier [2019-10-14 22:33:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_batches_completed [2019-10-14 22:33:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure stutter_wait [2019-10-14 22:33:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_bh [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu_expedited [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched_expedited [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_srcu [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_srcu_expedited [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_cleanup [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_begin [2019-10-14 22:33:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2019-10-14 22:33:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_kthread_stopping [2019-10-14 22:33:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_must_stop [2019-10-14 22:33:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_must_stop_irq [2019-10-14 22:33:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_onoff_failures [2019-10-14 22:33:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_onoff_init [2019-10-14 22:33:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_onoff_stats [2019-10-14 22:33:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2019-10-14 22:33:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_shuffle_init [2019-10-14 22:33:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_shutdown_absorb [2019-10-14 22:33:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_shutdown_init [2019-10-14 22:33:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_stutter_init [2019-10-14 22:33:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_clock_local [2019-10-14 22:33:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-14 22:33:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-14 22:33:34,928 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_cpu_notifier [2019-10-14 22:33:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-14 22:33:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-14 22:33:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-14 22:33:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:33:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:33:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:33:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:33:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:33:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:33:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-14 22:33:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-14 22:33:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-14 22:33:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2019-10-14 22:33:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:33:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-14 22:33:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-14 22:33:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure ftrace_dump [2019-10-14 22:33:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-14 22:33:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:33:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-14 22:33:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-10-14 22:33:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-10-14 22:33:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2019-10-14 22:33:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2019-10-14 22:33:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-10-14 22:33:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-14 22:33:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-14 22:33:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2019-10-14 22:33:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-14 22:33:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 22:33:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-14 22:33:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-14 22:33:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-14 22:33:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-14 22:33:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-14 22:33:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:33:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-14 22:33:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:33:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-14 22:33:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-14 22:33:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_xchg [2019-10-14 22:33:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-10-14 22:33:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-14 22:33:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-14 22:33:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_disable_ip [2019-10-14 22:33:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_enable_ip [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-14 22:33:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_2 [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-14 22:33:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-14 22:33:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_6 [2019-10-14 22:33:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-14 22:33:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2019-10-14 22:33:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-14 22:33:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-14 22:33:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-14 22:33:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_timer_on_stack [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_19 [2019-10-14 22:33:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-14 22:33:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_20 [2019-10-14 22:33:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-10-14 22:33:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2019-10-14 22:33:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-14 22:33:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure __this_cpu_preempt_check [2019-10-14 22:33:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_get_gp_data [2019-10-14 22:33:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_record_test_transition [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_record_progress [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure do_trace_rcu_torture_read [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure call_rcu_bh [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure call_rcu_sched [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-14 22:33:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2019-10-14 22:33:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_bh [2019-10-14 22:33:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched_expedited [2019-10-14 22:33:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_expedited [2019-10-14 22:33:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_bh_expedited [2019-10-14 22:33:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_barrier [2019-10-14 22:33:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_barrier_bh [2019-10-14 22:33:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_barrier_sched [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure get_state_synchronize_rcu [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure cond_synchronize_rcu [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_batches_completed [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_batches_completed_bh [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure show_rcu_gp_kthreads [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_force_quiescent_state [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_force_quiescent_state [2019-10-14 22:33:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_sched_force_quiescent_state [2019-10-14 22:33:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-14 22:33:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure init_rcu_head_on_stack [2019-10-14 22:33:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_rcu_head_on_stack [2019-10-14 22:33:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2019-10-14 22:33:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-14 22:33:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-14 22:33:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2019-10-14 22:33:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure process_srcu [2019-10-14 22:33:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure call_srcu [2019-10-14 22:33:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure __srcu_read_lock [2019-10-14 22:33:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure __srcu_read_unlock [2019-10-14 22:33:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_srcu [2019-10-14 22:33:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_srcu_expedited [2019-10-14 22:33:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_batches_completed [2019-10-14 22:33:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_barrier [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_lock_held [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_lock [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_unlock [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-14 22:33:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:33:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:33:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-14 22:33:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure set_user_nice [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2019-10-14 22:33:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_bind [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure register_cpu_notifier [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_cpu_notifier [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-14 22:33:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-14 22:33:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure trace_clock_local [2019-10-14 22:33:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_init [2019-10-14 22:33:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_stats [2019-10-14 22:33:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure torture_onoff_failures [2019-10-14 22:33:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2019-10-14 22:33:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shuffle_init [2019-10-14 22:33:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shutdown_absorb [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure torture_shutdown_init [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure stutter_wait [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure torture_stutter_init [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_begin [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure torture_cleanup [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure torture_must_stop [2019-10-14 22:33:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure torture_must_stop_irq [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure torture_kthread_stopping [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_trace_clock_local [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_alloc [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_free [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_read_lock [2019-10-14 22:33:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_delay [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_read_unlock [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_completed [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_pipe_update_one [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_pipe_update [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_cb [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_no_completed [2019-10-14 22:33:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_deferred_free [2019-10-14 22:33:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_sync_torture_init [2019-10-14 22:33:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_read_lock [2019-10-14 22:33:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_read_unlock [2019-10-14 22:33:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_completed [2019-10-14 22:33:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_bh_torture_deferred_free [2019-10-14 22:33:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_busted_torture_deferred_free [2019-10-14 22:33:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu_busted [2019-10-14 22:33:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure call_rcu_busted [2019-10-14 22:33:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_read_lock [2019-10-14 22:33:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_delay [2019-10-14 22:33:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_read_unlock [2019-10-14 22:33:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_completed [2019-10-14 22:33:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_deferred_free [2019-10-14 22:33:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_synchronize [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_call [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_barrier [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_stats [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_torture_synchronize_expedited [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure sched_torture_read_lock [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure sched_torture_read_unlock [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_sched_torture_deferred_free [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_boost_cb [2019-10-14 22:33:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_boost [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_fqs [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_852 [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_writer [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_fakewriter [2019-10-14 22:33:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_trace_dump [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_timer [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_reader [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_printk [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stats_print [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stats [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_print_module_parms [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_booster_cleanup [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_booster_init [2019-10-14 22:33:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stall [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_stall_init [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_cbf [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_cbs [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_init [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_barrier_cleanup [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcutorture_cpu_notify [2019-10-14 22:33:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_cleanup [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_leak_cb [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_err_cb [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_test_debug_objects [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_torture_init [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-14 22:33:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_3 [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_4 [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_8 [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:33:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:33:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:33:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:33:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:33:37,079 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:33:49,254 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:33:49,255 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-14 22:33:49,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:33:49 BoogieIcfgContainer [2019-10-14 22:33:49,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:33:49,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:33:49,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:33:49,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:33:49,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:33:31" (1/3) ... [2019-10-14 22:33:49,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a9c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:33:49, skipping insertion in model container [2019-10-14 22:33:49,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:33:34" (2/3) ... [2019-10-14 22:33:49,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a9c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:33:49, skipping insertion in model container [2019-10-14 22:33:49,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:33:49" (3/3) ... [2019-10-14 22:33:49,267 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 [2019-10-14 22:33:49,277 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:33:49,298 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:33:49,309 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:33:49,349 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:33:49,350 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:33:49,350 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:33:49,350 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:33:49,350 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:33:49,350 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:33:49,350 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:33:49,350 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:33:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states. [2019-10-14 22:33:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-14 22:33:49,461 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:33:49,464 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] [2019-10-14 22:33:49,466 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:33:49,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:33:49,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1353474644, now seen corresponding path program 1 times [2019-10-14 22:33:49,479 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:33:49,480 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417108223] [2019-10-14 22:33:49,480 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:33:49,480 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:33:49,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:33:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:04,867 WARN L191 SmtUtils]: Spent 14.11 s on a formula simplification that was a NOOP. DAG size: 1543 [2019-10-14 22:34:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:34:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2019-10-14 22:34:05,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417108223] [2019-10-14 22:34:05,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:34:05,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:34:05,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771795002] [2019-10-14 22:34:05,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:34:05,595 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:34:05,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:34:05,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:34:05,610 INFO L87 Difference]: Start difference. First operand 2920 states. Second operand 7 states.