/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:58:25,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:58:25,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:58:25,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:58:25,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:58:25,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:58:25,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:58:25,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:58:25,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:58:25,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:58:25,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:58:25,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:58:25,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:58:25,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:58:25,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:58:25,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:58:25,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:58:25,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:58:25,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:58:25,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:58:25,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:58:25,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:58:25,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:58:25,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:58:25,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:58:25,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:58:25,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:58:25,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:58:25,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:58:25,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:58:25,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:58:25,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:58:25,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:58:25,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:58:25,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:58:25,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:58:25,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:58:25,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:58:25,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:58:25,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:58:25,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:58:25,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 23:58:25,892 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:58:25,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:58:25,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:58:25,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:58:25,897 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:58:25,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:58:25,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:58:25,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:58:25,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:58:25,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:58:25,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:58:25,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:58:25,899 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:58:25,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:58:25,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:58:25,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:58:25,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:58:25,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:58:25,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:58:25,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:58:25,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:58:25,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:58:25,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:58:25,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:58:25,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:58:25,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:58:25,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:58:25,902 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:58:26,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:58:26,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:58:26,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:58:26,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:58:26,296 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:58:26,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2020-10-28 23:58:26,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca8b0551a/a6aed4e5b8c94b84b0d7a9b7b94aa30d/FLAG3d000aafa [2020-10-28 23:58:27,377 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:58:27,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2020-10-28 23:58:27,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca8b0551a/a6aed4e5b8c94b84b0d7a9b7b94aa30d/FLAG3d000aafa [2020-10-28 23:58:27,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca8b0551a/a6aed4e5b8c94b84b0d7a9b7b94aa30d [2020-10-28 23:58:27,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:58:27,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:58:27,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:58:27,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:58:27,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:58:27,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:27" (1/1) ... [2020-10-28 23:58:27,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717b5aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:27, skipping insertion in model container [2020-10-28 23:58:27,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:27" (1/1) ... [2020-10-28 23:58:27,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:58:28,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:58:28,539 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3825] [2020-10-28 23:58:28,539 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3826-3827] [2020-10-28 23:58:29,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:58:30,054 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:58:30,203 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3825] [2020-10-28 23:58:30,203 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3826-3827] [2020-10-28 23:58:30,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:58:30,954 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:58:30,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30 WrapperNode [2020-10-28 23:58:30,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:58:30,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:58:30,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:58:30,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:58:30,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... [2020-10-28 23:58:30,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... [2020-10-28 23:58:31,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... [2020-10-28 23:58:31,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... [2020-10-28 23:58:31,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... [2020-10-28 23:58:31,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... [2020-10-28 23:58:31,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... [2020-10-28 23:58:31,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:58:31,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:58:31,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:58:31,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:58:31,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-28 23:58:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:58:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:58:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-28 23:58:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:58:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 23:58:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 23:58:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 23:58:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 23:58:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-28 23:58:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 23:58:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2020-10-28 23:58:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 23:58:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 23:58:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-28 23:58:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-28 23:58:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-28 23:58:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 23:58:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2020-10-28 23:58:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2020-10-28 23:58:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-28 23:58:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-28 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-28 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-28 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-28 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2020-10-28 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-28 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2020-10-28 23:58:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure outw_p [2020-10-28 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure inw_p [2020-10-28 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2020-10-28 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2020-10-28 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2020-10-28 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outl_p [2020-10-28 23:58:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:58:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:58:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:58:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-28 23:58:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-28 23:58:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-28 23:58:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 23:58:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2020-10-28 23:58:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2020-10-28 23:58:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2020-10-28 23:58:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-28 23:58:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2020-10-28 23:58:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-28 23:58:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sOutB [2020-10-28 23:58:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sOutW [2020-10-28 23:58:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure out32 [2020-10-28 23:58:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sInB [2020-10-28 23:58:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sInW [2020-10-28 23:58:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rocket_paranoia_check [2020-10-28 23:58:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_do_receive [2020-10-28 23:58:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_do_transmit [2020-10-28 23:58:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_handle_port [2020-10-28 23:58:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_do_poll [2020-10-28 23:58:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure init_r_port [2020-10-28 23:58:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_r_port [2020-10-28 23:58:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2020-10-28 23:58:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2020-10-28 23:58:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_open [2020-10-28 23:58:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_close [2020-10-28 23:58:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_set_termios [2020-10-28 23:58:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_break [2020-10-28 23:58:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sGetChanRI [2020-10-28 23:58:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_tiocmget [2020-10-28 23:58:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_tiocmset [2020-10-28 23:58:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_config [2020-10-28 23:58:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config [2020-10-28 23:58:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ports [2020-10-28 23:58:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rm2 [2020-10-28 23:58:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_version [2020-10-28 23:58:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_ioctl [2020-10-28 23:58:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_send_xchar [2020-10-28 23:58:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_throttle [2020-10-28 23:58:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_unthrottle [2020-10-28 23:58:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_stop [2020-10-28 23:58:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_start [2020-10-28 23:58:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_wait_until_sent [2020-10-28 23:58:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_hangup [2020-10-28 23:58:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_put_char [2020-10-28 23:58:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_write [2020-10-28 23:58:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_write_room [2020-10-28 23:58:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_chars_in_buffer [2020-10-28 23:58:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_flush_buffer [2020-10-28 23:58:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rmSpeakerReset [2020-10-28 23:58:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sPCIInitController [2020-10-28 23:58:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure register_PCI [2020-10-28 23:58:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure init_PCI [2020-10-28 23:58:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ISA [2020-10-28 23:58:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_init [2020-10-28 23:58:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_cleanup_module [2020-10-28 23:58:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sInitController [2020-10-28 23:58:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sReadAiopID [2020-10-28 23:58:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sReadAiopNumChan [2020-10-28 23:58:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sInitChan [2020-10-28 23:58:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sStopRxProcessor [2020-10-28 23:58:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sFlushRxFIFO [2020-10-28 23:58:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sFlushTxFIFO [2020-10-28 23:58:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sWriteTxPrioByte [2020-10-28 23:58:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sEnInterrupts [2020-10-28 23:58:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sDisInterrupts [2020-10-28 23:58:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sSetInterfaceMode [2020-10-28 23:58:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sModemReset [2020-10-28 23:58:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sPCIModemReset [2020-10-28 23:58:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure GetLineNumber [2020-10-28 23:58:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure SetLineNumber [2020-10-28 23:58:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_2 [2020-10-28 23:58:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_1 [2020-10-28 23:58:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:58:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-28 23:58:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-28 23:58:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 23:58:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 23:58:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_20 [2020-10-28 23:58:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 23:58:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 23:58:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 23:58:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 23:58:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 23:58:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 23:58:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-28 23:58:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-28 23:58:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-28 23:58:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 23:58:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 23:58:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 23:58:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-28 23:58:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-28 23:58:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2020-10-28 23:58:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-28 23:58:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-28 23:58:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 23:58:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 23:58:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-28 23:58:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-28 23:58:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:58:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-28 23:58:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2020-10-28 23:58:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-28 23:58:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2020-10-28 23:58:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2020-10-28 23:58:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 23:58:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_activate_1 [2020-10-28 23:58:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:58:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destruct_1 [2020-10-28 23:58:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2020-10-28 23:58:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:58:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-28 23:58:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-10-28 23:58:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2020-10-28 23:58:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 23:58:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 23:58:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-28 23:58:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 23:58:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-28 23:58:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-28 23:58:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 23:58:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 23:58:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-28 23:58:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2020-10-28 23:58:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_match_id [2020-10-28 23:58:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:58:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2020-10-28 23:58:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-28 23:58:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-28 23:58:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2020-10-28 23:58:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-28 23:58:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_flush [2020-10-28 23:58:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_block_til_ready [2020-10-28 23:58:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close_start [2020-10-28 23:58:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2020-10-28 23:58:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2020-10-28 23:58:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2020-10-28 23:58:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2020-10-28 23:58:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-28 23:58:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2020-10-28 23:58:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2020-10-28 23:58:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_prepare_flip_string [2020-10-28 23:58:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2020-10-28 23:58:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2020-10-28 23:58:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2020-10-28 23:58:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2020-10-28 23:58:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2020-10-28 23:58:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2020-10-28 23:58:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2020-10-28 23:58:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:58:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 23:58:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:58:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:58:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 23:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:58:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:58:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 23:58:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 23:58:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 23:58:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 23:58:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 23:58:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:58:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 23:58:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-28 23:58:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:58:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 23:58:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 23:58:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 23:58:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 23:58:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 23:58:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2020-10-28 23:58:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-28 23:58:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:58:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 23:58:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 23:58:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-28 23:58:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-28 23:58:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-28 23:58:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 23:58:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-28 23:58:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-28 23:58:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:58:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 23:58:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-28 23:58:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 23:58:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 23:58:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-28 23:58:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 23:58:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-28 23:58:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:58:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:58:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2020-10-28 23:58:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2020-10-28 23:58:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-28 23:58:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-28 23:58:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2020-10-28 23:58:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-28 23:58:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-28 23:58:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-28 23:58:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-28 23:58:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-28 23:58:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2020-10-28 23:58:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-28 23:58:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2020-10-28 23:58:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure outw_p [2020-10-28 23:58:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure inw_p [2020-10-28 23:58:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2020-10-28 23:58:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2020-10-28 23:58:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2020-10-28 23:58:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure outl_p [2020-10-28 23:58:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-28 23:58:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_20 [2020-10-28 23:58:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2020-10-28 23:58:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:58:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 23:58:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 23:58:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 23:58:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:58:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:58:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 23:58:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:58:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-28 23:58:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 23:58:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:58:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:58:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:58:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:58:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:58:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:58:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:58:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:58:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:58:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:58:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:58:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_2 [2020-10-28 23:58:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_1 [2020-10-28 23:58:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-28 23:58:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-28 23:58:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-28 23:58:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-28 23:58:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 23:58:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-28 23:58:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-28 23:58:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-28 23:58:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 23:58:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2020-10-28 23:58:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2020-10-28 23:58:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_block_til_ready [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close_start [2020-10-28 23:58:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2020-10-28 23:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure tty_prepare_flip_string [2020-10-28 23:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-28 23:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2020-10-28 23:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 23:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-28 23:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 23:58:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_match_id [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure sOutB [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure sOutW [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure out32 [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure sInB [2020-10-28 23:58:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure sInW [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure rp_do_poll [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure init_ISA [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure rp_wait_until_sent [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure rp_flush_buffer [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure GetLineNumber [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure SetLineNumber [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure rp_start [2020-10-28 23:58:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure sInitChan [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sSetInterfaceMode [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sFlushRxFIFO [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sFlushTxFIFO [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sEnInterrupts [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sDisInterrupts [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sModemReset [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sPCIModemReset [2020-10-28 23:58:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure sWriteTxPrioByte [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure sInitController [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure sReadAiopID [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure sReadAiopNumChan [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure rp_init [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure rp_cleanup_module [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure rocket_paranoia_check [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure rp_do_receive [2020-10-28 23:58:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure rp_do_transmit [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure rp_handle_port [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure init_r_port [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure configure_r_port [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure rp_open [2020-10-28 23:58:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure rp_close [2020-10-28 23:58:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure rp_set_termios [2020-10-28 23:58:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure rp_break [2020-10-28 23:58:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure sGetChanRI [2020-10-28 23:58:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure rp_tiocmget [2020-10-28 23:58:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure rp_tiocmset [2020-10-28 23:58:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure get_config [2020-10-28 23:58:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure set_config [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure get_ports [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rm2 [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure get_version [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure rp_ioctl [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure rp_send_xchar [2020-10-28 23:58:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure rp_throttle [2020-10-28 23:58:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure rp_unthrottle [2020-10-28 23:58:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure rp_stop [2020-10-28 23:58:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure rp_hangup [2020-10-28 23:58:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure rp_put_char [2020-10-28 23:58:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:58:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure rp_write [2020-10-28 23:58:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:58:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure rp_write_room [2020-10-28 23:58:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure rp_chars_in_buffer [2020-10-28 23:58:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure rmSpeakerReset [2020-10-28 23:58:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure sPCIInitController [2020-10-28 23:58:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure register_PCI [2020-10-28 23:58:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure init_PCI [2020-10-28 23:58:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure sStopRxProcessor [2020-10-28 23:58:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2020-10-28 23:58:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_1 [2020-10-28 23:58:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_activate_1 [2020-10-28 23:58:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-28 23:58:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2020-10-28 23:58:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:58:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:58:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-10-28 23:58:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:58:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 23:58:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 23:58:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:58:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:58:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:58:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:58:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:58:32,942 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 00:00:37,498 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 00:00:37,498 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 00:00:37,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:00:37 BoogieIcfgContainer [2020-10-29 00:00:37,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 00:00:37,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 00:00:37,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 00:00:37,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 00:00:37,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:27" (1/3) ... [2020-10-29 00:00:37,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b34aef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:00:37, skipping insertion in model container [2020-10-29 00:00:37,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:30" (2/3) ... [2020-10-29 00:00:37,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b34aef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:00:37, skipping insertion in model container [2020-10-29 00:00:37,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:00:37" (3/3) ... [2020-10-29 00:00:37,518 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2020-10-29 00:00:37,530 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 00:00:37,538 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 00:00:37,552 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 00:00:37,602 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 00:00:37,603 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 00:00:37,603 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 00:00:37,603 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 00:00:37,603 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 00:00:37,603 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 00:00:37,603 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 00:00:37,603 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 00:00:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states. [2020-10-29 00:00:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-29 00:00:37,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 00:00:37,718 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 00:00:37,719 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 00:00:37,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 00:00:37,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1436441023, now seen corresponding path program 1 times [2020-10-29 00:00:37,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 00:00:37,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928374412] [2020-10-29 00:00:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 00:00:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 00:00:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:45,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 00:00:45,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 00:00:45,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 00:00:45,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6590 [2020-10-29 00:00:45,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 00:00:45,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 00:00:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 00:00:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 00:00:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 00:00:45,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 00:00:48,776 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification that was a NOOP. DAG size: 724 [2020-10-29 00:00:48,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 00:00:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 00:00:48,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:50,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 00:00:50,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 00:00:50,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 00:00:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1396 [2020-10-29 00:00:50,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 00:00:50,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 00:00:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 00:00:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 00:00:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 00:00:50,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 00:00:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 00:00:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 00:00:50,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:50,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 00:00:50,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 00:00:50,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 00:00:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 00:00:50,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 00:00:50,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 00:00:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 00:00:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 00:00:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 00:00:50,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 00:00:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 00:00:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 00:00:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:50,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 00:00:50,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 00:00:50,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 00:00:50,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 00:00:50,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 00:00:50,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 00:00:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 00:00:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 00:00:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 00:00:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 00:00:50,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 00:00:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 00:00:50,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:50,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 00:00:50,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 00:00:50,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 00:00:50,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 00:00:50,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 00:00:50,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 00:00:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 00:00:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 00:00:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 00:00:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 00:00:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 00:00:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 00:00:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 00:00:50,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 00:00:50,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 00:00:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 00:00:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 00:00:50,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 00:00:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 00:00:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 00:00:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 00:00:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 00:00:50,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 00:00:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 00:00:50,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 00:00:50,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 00:00:50,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 00:00:50,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 00:00:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 00:00:50,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-29 00:00:50,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-29 00:00:50,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 00:00:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 00:00:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 00:00:50,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 00:00:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 00:00:50,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928374412] [2020-10-29 00:00:50,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 00:00:50,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 00:00:50,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018478882] [2020-10-29 00:00:50,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 00:00:50,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 00:00:50,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 00:00:50,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 00:00:50,673 INFO L87 Difference]: Start difference. First operand 2303 states. Second operand 5 states. [2020-10-29 00:00:57,908 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification that was a NOOP. DAG size: 726