/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 08:10:20,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 08:10:20,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 08:10:20,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 08:10:20,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 08:10:20,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 08:10:20,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 08:10:20,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 08:10:20,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 08:10:20,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 08:10:20,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 08:10:20,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 08:10:20,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 08:10:20,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 08:10:20,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 08:10:20,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 08:10:20,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 08:10:20,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 08:10:20,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 08:10:20,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 08:10:20,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 08:10:20,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 08:10:20,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 08:10:20,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 08:10:20,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 08:10:20,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 08:10:20,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 08:10:20,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 08:10:20,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 08:10:20,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 08:10:20,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 08:10:20,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 08:10:20,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 08:10:20,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 08:10:20,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 08:10:20,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 08:10:20,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 08:10:20,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 08:10:20,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 08:10:20,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 08:10:20,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 08:10:20,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 08:10:20,267 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 08:10:20,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 08:10:20,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 08:10:20,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 08:10:20,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 08:10:20,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 08:10:20,270 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 08:10:20,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 08:10:20,270 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 08:10:20,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 08:10:20,271 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 08:10:20,271 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 08:10:20,271 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 08:10:20,272 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 08:10:20,272 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 08:10:20,272 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 08:10:20,272 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 08:10:20,272 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 08:10:20,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 08:10:20,273 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 08:10:20,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 08:10:20,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 08:10:20,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 08:10:20,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 08:10:20,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 08:10:20,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 08:10:20,274 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 08:10:20,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 08:10:20,275 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 08:10:20,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 08:10:20,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 08:10:20,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 08:10:20,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 08:10:20,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 08:10:20,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 08:10:20,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 08:10:20,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 08:10:20,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 08:10:20,550 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 08:10:20,551 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 08:10:20,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-03-31 08:10:21,748 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 08:10:22,163 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 08:10:22,163 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-03-31 08:10:22,200 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6796c4dc5/af8e99e38a114f12b0d5d43329f0d361/FLAG136acd307 [2023-03-31 08:10:22,214 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6796c4dc5/af8e99e38a114f12b0d5d43329f0d361 [2023-03-31 08:10:22,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 08:10:22,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 08:10:22,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 08:10:22,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 08:10:22,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 08:10:22,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 08:10:22" (1/1) ... [2023-03-31 08:10:22,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6c1841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:22, skipping insertion in model container [2023-03-31 08:10:22,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 08:10:22" (1/1) ... [2023-03-31 08:10:22,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 08:10:22,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 08:10:23,066 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2023-03-31 08:10:23,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 08:10:23,146 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 08:10:23,333 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-c0cc359-1-104_1a-drivers--usb--serial--qcserial.ko-entry_point_ldv-val-v0.8.cil.out.i[133500,133513] [2023-03-31 08:10:23,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 08:10:23,398 INFO L208 MainTranslator]: Completed translation [2023-03-31 08:10:23,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23 WrapperNode [2023-03-31 08:10:23,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 08:10:23,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 08:10:23,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 08:10:23,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 08:10:23,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,582 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 08:10:23,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 08:10:23,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 08:10:23,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 08:10:23,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 08:10:23" (1/1) ... [2023-03-31 08:10:23,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 08:10:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 08:10:23,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 08:10:23,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 08:10:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 08:10:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 08:10:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 08:10:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 08:10:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 08:10:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-31 08:10:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-03-31 08:10:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-31 08:10:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_1 [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-03-31 08:10:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_release [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_3 [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_4 [2023-03-31 08:10:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_5 [2023-03-31 08:10:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_6 [2023-03-31 08:10:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_7 [2023-03-31 08:10:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_8 [2023-03-31 08:10:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_9 [2023-03-31 08:10:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_10 [2023-03-31 08:10:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_11 [2023-03-31 08:10:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 08:10:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc [2023-03-31 08:10:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2023-03-31 08:10:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-03-31 08:10:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-03-31 08:10:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-03-31 08:10:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-03-31 08:10:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-03-31 08:10:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-03-31 08:10:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2023-03-31 08:10:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2023-03-31 08:10:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2023-03-31 08:10:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2023-03-31 08:10:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2023-03-31 08:10:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 08:10:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 08:10:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-31 08:10:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 08:10:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 08:10:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 08:10:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 08:10:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 08:10:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 08:10:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-31 08:10:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 08:10:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 08:10:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 08:10:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 08:10:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 08:10:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 08:10:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 08:10:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-03-31 08:10:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_4 [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_7 [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_9 [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_10 [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_1 [2023-03-31 08:10:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 08:10:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2023-03-31 08:10:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2023-03-31 08:10:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-03-31 08:10:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-03-31 08:10:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 08:10:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-03-31 08:10:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-03-31 08:10:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-03-31 08:10:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-03-31 08:10:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2023-03-31 08:10:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-03-31 08:10:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2023-03-31 08:10:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2023-03-31 08:10:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-03-31 08:10:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_11 [2023-03-31 08:10:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-03-31 08:10:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_3 [2023-03-31 08:10:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_5 [2023-03-31 08:10:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_6 [2023-03-31 08:10:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_8 [2023-03-31 08:10:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-03-31 08:10:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 08:10:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2023-03-31 08:10:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 08:10:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-03-31 08:10:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-03-31 08:10:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-03-31 08:10:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-03-31 08:10:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-03-31 08:10:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-03-31 08:10:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2023-03-31 08:10:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 08:10:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure qc_release [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 08:10:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 08:10:24,132 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 08:10:24,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 08:10:24,673 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-31 08:10:25,664 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 08:10:25,876 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 08:10:25,876 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 08:10:25,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 08:10:25 BoogieIcfgContainer [2023-03-31 08:10:25,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 08:10:25,882 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 08:10:25,882 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 08:10:25,882 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 08:10:25,883 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 08:10:25" (1/1) ... [2023-03-31 08:10:25,884 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 08:10:25,906 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 08:10:25,907 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 08:10:25,917 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 08:10:25,922 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 08:10:25,923 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 08:11:00,118 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 2947 for LOIs