/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=DEEPEST --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-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 08:23:10,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 08:23:10,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 08:23:10,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 08:23:10,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 08:23:10,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 08:23:10,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 08:23:10,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 08:23:10,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 08:23:10,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 08:23:10,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 08:23:10,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 08:23:10,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 08:23:10,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 08:23:10,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 08:23:10,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 08:23:10,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 08:23:10,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 08:23:10,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 08:23:10,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 08:23:10,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 08:23:10,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 08:23:10,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 08:23:10,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 08:23:10,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 08:23:10,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 08:23:10,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 08:23:10,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 08:23:10,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 08:23:10,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 08:23:10,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 08:23:10,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 08:23:10,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 08:23:10,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 08:23:10,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 08:23:10,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 08:23:10,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 08:23:10,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 08:23:10,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 08:23:10,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 08:23:10,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 08:23:10,312 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 08:23:10,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 08:23:10,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 08:23:10,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 08:23:10,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 08:23:10,367 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 08:23:10,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 08:23:10,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 08:23:10,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 08:23:10,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 08:23:10,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 08:23:10,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 08:23:10,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 08:23:10,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 08:23:10,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 08:23:10,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 08:23:10,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 08:23:10,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 08:23:10,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 08:23:10,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:23:10,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 08:23:10,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 08:23:10,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 08:23:10,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 08:23:10,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 08:23:10,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 08:23:10,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 08:23:10,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 08:23:10,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 08:23:10,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 08:23:10,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 08:23:10,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 08:23:10,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 08:23:10,852 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 08:23:10,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2020-10-28 08:23:10,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/330213db0/e99e122e8e5d430e9eaf37a51b3ba941/FLAG77e4be9c9 [2020-10-28 08:23:12,117 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 08:23:12,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2020-10-28 08:23:12,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/330213db0/e99e122e8e5d430e9eaf37a51b3ba941/FLAG77e4be9c9 [2020-10-28 08:23:12,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/330213db0/e99e122e8e5d430e9eaf37a51b3ba941 [2020-10-28 08:23:12,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 08:23:12,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 08:23:12,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 08:23:12,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 08:23:12,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 08:23:12,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:23:12" (1/1) ... [2020-10-28 08:23:12,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135355dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:12, skipping insertion in model container [2020-10-28 08:23:12,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:23:12" (1/1) ... [2020-10-28 08:23:12,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 08:23:12,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 08:23:14,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:23:14,601 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 08:23:15,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:23:15,291 INFO L208 MainTranslator]: Completed translation [2020-10-28 08:23:15,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15 WrapperNode [2020-10-28 08:23:15,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 08:23:15,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 08:23:15,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 08:23:15,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 08:23:15,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (1/1) ... [2020-10-28 08:23:15,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (1/1) ... [2020-10-28 08:23:15,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (1/1) ... [2020-10-28 08:23:15,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (1/1) ... [2020-10-28 08:23:15,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (1/1) ... [2020-10-28 08:23:15,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (1/1) ... [2020-10-28 08:23:15,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (1/1) ... [2020-10-28 08:23:15,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 08:23:15,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 08:23:15,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 08:23:15,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 08:23:15,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (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 08:23:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 08:23:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 08:23:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-28 08:23:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 08:23:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 08:23:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-28 08:23:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-28 08:23:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2020-10-28 08:23:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 08:23:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-28 08:23:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-28 08:23:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 08:23:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 08:23:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-28 08:23:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 08:23:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-28 08:23:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 08:23:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_entry [2020-10-28 08:23:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-28 08:23:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-28 08:23:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-28 08:23:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 08:23:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-28 08:23:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2020-10-28 08:23:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 08:23:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 08:23:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 08:23:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 08:23:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 08:23:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 08:23:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 08:23:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 08:23:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_init [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_exit [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2020-10-28 08:23:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2020-10-28 08:23:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2020-10-28 08:23:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2020-10-28 08:23:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2020-10-28 08:23:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2020-10-28 08:23:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2020-10-28 08:23:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2020-10-28 08:23:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2020-10-28 08:23:15,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_recv [2020-10-28 08:23:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2020-10-28 08:23:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2020-10-28 08:23:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_get_lsr [2020-10-28 08:23:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_get_serial_info [2020-10-28 08:23:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_serial_info [2020-10-28 08:23:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_handle_new_msr [2020-10-28 08:23:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2020-10-28 08:23:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_stop_read [2020-10-28 08:23:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2020-10-28 08:23:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2020-10-28 08:23:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_in_sync [2020-10-28 08:23:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2020-10-28 08:23:15,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_do_download [2020-10-28 08:23:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_download_firmware [2020-10-28 08:23:15,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_1 [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_register_2 [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_register_3 [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_4 [2020-10-28 08:23:15,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_5 [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_6 [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_7 [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_8 [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reg [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_der [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2020-10-28 08:23:15,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 08:23:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-28 08:23:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 08:23:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2020-10-28 08:23:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2020-10-28 08:23:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2020-10-28 08:23:15,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2020-10-28 08:23:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_max_r [2020-10-28 08:23:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2020-10-28 08:23:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2020-10-28 08:23:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 08:23:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 08:23:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-28 08:23:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-28 08:23:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 08:23:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 08:23:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-28 08:23:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 08:23:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 08:23:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 08:23:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2020-10-28 08:23:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2020-10-28 08:23:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2020-10-28 08:23:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 08:23:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-28 08:23:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2020-10-28 08:23:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-28 08:23:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 08:23:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-28 08:23:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-28 08:23:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 08:23:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 08:23:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 08:23:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-28 08:23:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2020-10-28 08:23:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-28 08:23:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-28 08:23:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-28 08:23:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-28 08:23:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-28 08:23:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-28 08:23:15,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_set_configuration [2020-10-28 08:23:15,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-28 08:23:15,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 08:23:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-28 08:23:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2020-10-28 08:23:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 08:23:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 08:23:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 08:23:15,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 08:23:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 08:23:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 08:23:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 08:23:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 08:23:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 08:23:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 08:23:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 08:23:15,853 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 08:23:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 08:23:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 08:23:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_entry [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2020-10-28 08:23:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 08:23:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-28 08:23:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-28 08:23:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_1 [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_8 [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-28 08:23:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_set_configuration [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2020-10-28 08:23:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-28 08:23:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_register_2 [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_register_3 [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_4 [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_5 [2020-10-28 08:23:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_6 [2020-10-28 08:23:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_7 [2020-10-28 08:23:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-28 08:23:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-28 08:23:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-28 08:23:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2020-10-28 08:23:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reg [2020-10-28 08:23:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_der [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-28 08:23:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 08:23:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 08:23:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-28 08:23:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2020-10-28 08:23:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2020-10-28 08:23:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_recv [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_get_lsr [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_get_serial_info [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_serial_info [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_handle_new_msr [2020-10-28 08:23:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_stop_read [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_in_sync [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_download_firmware [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_init [2020-10-28 08:23:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_exit [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ti_do_download [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2020-10-28 08:23:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 08:23:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 08:23:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 08:23:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 08:23:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 08:23:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 08:23:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 08:23:17,428 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 08:26:12,242 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 08:26:12,243 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 08:26:12,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:26:12 BoogieIcfgContainer [2020-10-28 08:26:12,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 08:26:12,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 08:26:12,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 08:26:12,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 08:26:12,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:23:12" (1/3) ... [2020-10-28 08:26:12,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6ad7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:26:12, skipping insertion in model container [2020-10-28 08:26:12,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:23:15" (2/3) ... [2020-10-28 08:26:12,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6ad7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:26:12, skipping insertion in model container [2020-10-28 08:26:12,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:26:12" (3/3) ... [2020-10-28 08:26:12,261 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2020-10-28 08:26:12,274 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 08:26:12,283 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 08:26:12,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 08:26:12,345 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 08:26:12,345 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 08:26:12,345 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 08:26:12,345 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 08:26:12,345 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 08:26:12,346 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 08:26:12,346 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 08:26:12,346 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 08:26:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states. [2020-10-28 08:26:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 08:26:12,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:26:12,422 INFO L422 BasicCegarLoop]: trace histogram [5, 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] [2020-10-28 08:26:12,423 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:26:12,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:26:12,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1760645027, now seen corresponding path program 1 times [2020-10-28 08:26:12,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:26:12,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040919235] [2020-10-28 08:26:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:26:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:14,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:14,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:42,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:42,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 08:26:42,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:26:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28352 [2020-10-28 08:26:42,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:26:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 08:26:42,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:26:42,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 08:27:03,955 WARN L193 SmtUtils]: Spent 21.36 s on a formula simplification that was a NOOP. DAG size: 1903 [2020-10-28 08:27:03,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:27:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:27:04,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:27:10,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:27:10,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:27:10,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:27:10,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6872 [2020-10-28 08:27:10,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:27:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:27:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:27:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:27:10,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:27:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:27:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:27:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:27:11,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:27:11,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:27:11,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:27:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:27:11,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:27:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:27:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:27:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:27:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:27:11,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 08:27:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:27:11,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:27:11,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:27:11,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:27:11,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:27:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 08:27:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:27:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:27:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:27:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:27:11,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:27:11,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 08:27:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:27:11,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:27:11,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:27:11,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:27:11,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:27:11,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 08:27:11,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:27:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:27:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:27:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:27:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:27:11,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 08:27:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:27:11,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:27:11,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:27:11,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:27:11,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:27:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:27:11,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:27:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:27:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:27:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:27:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:27:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 08:27:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:27:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:27:11,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:27:11,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:27:11,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:27:11,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 08:27:11,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:27:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:27:11,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:27:11,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:27:11,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:27:11,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 08:27:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:27:11,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:27:11,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:27:11,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 08:27:11,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:27:11,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 08:27:11,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:27:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:27:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:27:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:27:11,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:27:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 08:27:11,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040919235] [2020-10-28 08:27:11,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 08:27:11,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 08:27:11,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428335532] [2020-10-28 08:27:11,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 08:27:11,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:27:11,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 08:27:11,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 08:27:11,437 INFO L87 Difference]: Start difference. First operand 1877 states. Second operand 5 states.