./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:20,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:20,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:20,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:20,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:20,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:20,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:20,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:20,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:20,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:20,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:20,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:20,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:20,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:20,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:20,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:20,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:20,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:20,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:20,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:20,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:20,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:20,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:20,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:20,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:20,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:20,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:20,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:20,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:20,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:20,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:20,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:20,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:20,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:20,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:20,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:20,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:20,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:20,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:20,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:20,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:20,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:34:20,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:20,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:20,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:20,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:20,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:20,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:20,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:20,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:20,268 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:20,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:20,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:34:20,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:20,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:20,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:20,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:20,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:20,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:20,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:20,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:20,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:20,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:20,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:20,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:20,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:20,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:20,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:34:20,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:34:20,271 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:20,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:20,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:20,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:20,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2021-12-15 12:34:20,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:20,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:20,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:20,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:20,508 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:20,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-12-15 12:34:20,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfeca2ad1/a8a8d974b05a429789c46f9add57bb4a/FLAG98f38099a [2021-12-15 12:34:21,062 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:21,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-12-15 12:34:21,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfeca2ad1/a8a8d974b05a429789c46f9add57bb4a/FLAG98f38099a [2021-12-15 12:34:21,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfeca2ad1/a8a8d974b05a429789c46f9add57bb4a [2021-12-15 12:34:21,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:21,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:21,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:21,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:21,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:21,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695b9c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:21, skipping insertion in model container [2021-12-15 12:34:21,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:21" (1/1) ... [2021-12-15 12:34:21,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:21,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:21,973 WARN L230 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-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-12-15 12:34:22,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:22,051 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:22,218 WARN L230 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-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-12-15 12:34:22,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:22,271 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:22,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22 WrapperNode [2021-12-15 12:34:22,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:22,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:22,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:22,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:22,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,372 INFO L137 Inliner]: procedures = 81, calls = 494, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1672 [2021-12-15 12:34:22,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:22,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:22,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:22,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:22,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:22,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:22,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:22,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:22,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22" (1/1) ... [2021-12-15 12:34:22,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:22,520 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) [2021-12-15 12:34:22,526 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 [2021-12-15 12:34:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2021-12-15 12:34:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2021-12-15 12:34:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2021-12-15 12:34:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2021-12-15 12:34:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:34:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:34:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-15 12:34:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-15 12:34:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:34:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:34:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2021-12-15 12:34:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2021-12-15 12:34:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-15 12:34:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-15 12:34:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:34:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:22,772 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:22,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:22,779 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:22,827 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-12-15 12:34:22,827 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-12-15 12:34:22,909 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:22,912 INFO L158 Benchmark]: Toolchain (without parser) took 1613.17ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 62.2MB in the beginning and 58.5MB in the end (delta: 3.6MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:22,913 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:22,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.10ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 61.9MB in the beginning and 66.0MB in the end (delta: -4.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:22,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.90ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 57.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:22,914 INFO L158 Benchmark]: Boogie Preprocessor took 110.83ms. Allocated memory is still 123.7MB. Free memory was 57.1MB in the beginning and 77.4MB in the end (delta: -20.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-12-15 12:34:22,914 INFO L158 Benchmark]: RCFGBuilder took 426.95ms. Allocated memory is still 123.7MB. Free memory was 77.4MB in the beginning and 58.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:22,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.10ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 61.9MB in the beginning and 66.0MB in the end (delta: -4.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.90ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 57.1MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.83ms. Allocated memory is still 123.7MB. Free memory was 57.1MB in the beginning and 77.4MB in the end (delta: -20.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.95ms. Allocated memory is still 123.7MB. Free memory was 77.4MB in the beginning and 58.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:22,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:24,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:24,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:24,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:24,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:24,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:24,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:24,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:24,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:25,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:25,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:25,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:25,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:25,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:25,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:25,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:25,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:25,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:25,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:25,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:25,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:25,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:25,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:25,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:25,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:25,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:25,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:25,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:25,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:25,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:25,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:25,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:25,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:25,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:25,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:25,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:25,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:25,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:25,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:25,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:25,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:25,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:25,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:25,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:25,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:25,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:25,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:25,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:25,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:25,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:25,073 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:25,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:25,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:25,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:25,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:25,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:25,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:25,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:25,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:25,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:25,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:25,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:25,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:25,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:25,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:25,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:25,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:25,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:25,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:25,076 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:25,077 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:25,077 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:25,077 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:25,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:25,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:25,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:25,078 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2021-12-15 12:34:25,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:25,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:25,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:25,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:25,348 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:25,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-12-15 12:34:25,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad392c66/987bc638769d40509c42d1c2fc8b26e7/FLAG82a71861d [2021-12-15 12:34:25,950 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:25,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-12-15 12:34:25,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad392c66/987bc638769d40509c42d1c2fc8b26e7/FLAG82a71861d [2021-12-15 12:34:26,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad392c66/987bc638769d40509c42d1c2fc8b26e7 [2021-12-15 12:34:26,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:26,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:26,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:26,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:26,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:26,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:26" (1/1) ... [2021-12-15 12:34:26,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426ec210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:26, skipping insertion in model container [2021-12-15 12:34:26,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:26" (1/1) ... [2021-12-15 12:34:26,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:26,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:27,129 WARN L230 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-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-12-15 12:34:27,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:27,189 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:27,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:27,353 WARN L230 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-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-12-15 12:34:27,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:27,379 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:27,518 WARN L230 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-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-12-15 12:34:27,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:27,563 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:27,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27 WrapperNode [2021-12-15 12:34:27,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:27,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:27,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:27,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:27,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,674 INFO L137 Inliner]: procedures = 90, calls = 494, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1652 [2021-12-15 12:34:27,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:27,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:27,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:27,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:27,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:27,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:27,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:27,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:27,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:27" (1/1) ... [2021-12-15 12:34:27,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:27,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:27,830 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) [2021-12-15 12:34:27,848 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 [2021-12-15 12:34:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2021-12-15 12:34:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2021-12-15 12:34:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-15 12:34:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:34:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:34:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2021-12-15 12:34:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2021-12-15 12:34:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-15 12:34:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-15 12:34:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:28,180 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:28,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:29,664 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:29,667 INFO L158 Benchmark]: Toolchain (without parser) took 3228.63ms. Allocated memory was 52.4MB in the beginning and 125.8MB in the end (delta: 73.4MB). Free memory was 34.2MB in the beginning and 75.6MB in the end (delta: -41.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:29,667 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:29,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1124.58ms. Allocated memory was 52.4MB in the beginning and 96.5MB in the end (delta: 44.0MB). Free memory was 34.1MB in the beginning and 46.3MB in the end (delta: -12.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:29,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.72ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 37.5MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:29,668 INFO L158 Benchmark]: Boogie Preprocessor took 132.37ms. Allocated memory is still 96.5MB. Free memory was 37.5MB in the beginning and 47.1MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:29,669 INFO L158 Benchmark]: RCFGBuilder took 1857.76ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 47.1MB in the beginning and 75.6MB in the end (delta: -28.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:29,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1124.58ms. Allocated memory was 52.4MB in the beginning and 96.5MB in the end (delta: 44.0MB). Free memory was 34.1MB in the beginning and 46.3MB in the end (delta: -12.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.72ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 37.5MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.37ms. Allocated memory is still 96.5MB. Free memory was 37.5MB in the beginning and 47.1MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1857.76ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 47.1MB in the beginning and 75.6MB in the end (delta: -28.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:29,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable