./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.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-net-usb-catc.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 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:13,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:13,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:13,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:13,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:13,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:13,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:13,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:13,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:13,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:13,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:13,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:13,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:13,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:13,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:13,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:13,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:13,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:13,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:13,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:13,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:13,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:13,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:13,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:13,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:13,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:13,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:13,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:13,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:13,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:13,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:13,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:13,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:13,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:13,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:13,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:13,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:13,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:13,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:13,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:13,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:13,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:34:13,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:13,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:13,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:13,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:13,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:13,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:13,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:13,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:13,131 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:13,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:13,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:34:13,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:13,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:13,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:13,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:13,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:13,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:13,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:13,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:13,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:13,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:13,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:13,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:13,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:13,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:13,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:34:13,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:34:13,135 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:13,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:13,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:13,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:13,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2021-12-15 12:34:13,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:13,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:13,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:13,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:13,365 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:13,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-12-15 12:34:13,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85e9e508/5a96953393754871bed7824e78fc8098/FLAG7c8d88318 [2021-12-15 12:34:14,090 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:14,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-12-15 12:34:14,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85e9e508/5a96953393754871bed7824e78fc8098/FLAG7c8d88318 [2021-12-15 12:34:14,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85e9e508/5a96953393754871bed7824e78fc8098 [2021-12-15 12:34:14,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:14,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:14,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:14,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:14,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:14,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f75575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14, skipping insertion in model container [2021-12-15 12:34:14,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:14,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:15,409 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-net-usb-catc.ko.cil.out.i[199632,199645] [2021-12-15 12:34:15,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:15,504 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:15,712 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-net-usb-catc.ko.cil.out.i[199632,199645] [2021-12-15 12:34:15,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:15,938 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:15,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15 WrapperNode [2021-12-15 12:34:15,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:15,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:15,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:15,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:15,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:15,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,058 INFO L137 Inliner]: procedures = 142, calls = 839, calls flagged for inlining = 59, calls inlined = 40, statements flattened = 1657 [2021-12-15 12:34:16,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:16,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:16,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:16,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:16,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:16,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:16,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:16,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:16,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:15" (1/1) ... [2021-12-15 12:34:16,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:16,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:16,246 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 12:34:16,284 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 12:34:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 12:34:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 12:34:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2021-12-15 12:34:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2021-12-15 12:34:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:34:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:34:16,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:34:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:34:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:34:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:34:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 12:34:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 12:34:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2021-12-15 12:34:16,312 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2021-12-15 12:34:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2021-12-15 12:34:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2021-12-15 12:34:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2021-12-15 12:34:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2021-12-15 12:34:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:34:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:34:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2021-12-15 12:34:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2021-12-15 12:34:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 12:34:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 12:34:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:34:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 12:34:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 12:34:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:34:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:34:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 12:34:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 12:34:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:34:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:34:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:34:16,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:34:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-15 12:34:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-15 12:34:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 12:34:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 12:34:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:34:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:34:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2021-12-15 12:34:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2021-12-15 12:34:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2021-12-15 12:34:16,318 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2021-12-15 12:34:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:34:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:34:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:34:16,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:34:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2021-12-15 12:34:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2021-12-15 12:34:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 12:34:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 12:34:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 12:34:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 12:34:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:34:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:34:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:34:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:34:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:34:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:34:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:34:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:34:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-15 12:34:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:16,612 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:16,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:17,101 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:17,106 INFO L158 Benchmark]: Toolchain (without parser) took 2660.54ms. Allocated memory was 104.9MB in the beginning and 199.2MB in the end (delta: 94.4MB). Free memory was 69.7MB in the beginning and 127.4MB in the end (delta: -57.7MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,106 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:17,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1493.86ms. Allocated memory was 104.9MB in the beginning and 199.2MB in the end (delta: 94.4MB). Free memory was 69.5MB in the beginning and 133.9MB in the end (delta: -64.4MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.83ms. Allocated memory is still 199.2MB. Free memory was 133.9MB in the beginning and 123.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,108 INFO L158 Benchmark]: Boogie Preprocessor took 138.97ms. Allocated memory is still 199.2MB. Free memory was 123.4MB in the beginning and 111.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,108 INFO L158 Benchmark]: RCFGBuilder took 902.40ms. Allocated memory is still 199.2MB. Free memory was 111.8MB in the beginning and 127.4MB in the end (delta: -15.6MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1493.86ms. Allocated memory was 104.9MB in the beginning and 199.2MB in the end (delta: 94.4MB). Free memory was 69.5MB in the beginning and 133.9MB in the end (delta: -64.4MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.83ms. Allocated memory is still 199.2MB. Free memory was 133.9MB in the beginning and 123.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.97ms. Allocated memory is still 199.2MB. Free memory was 123.4MB in the beginning and 111.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 902.40ms. Allocated memory is still 199.2MB. Free memory was 111.8MB in the beginning and 127.4MB in the end (delta: -15.6MB). Peak memory consumption was 43.2MB. 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 12:34:17,156 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-net-usb-catc.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 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:18,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:18,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:18,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:18,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:18,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:18,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:18,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:18,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:18,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:18,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:18,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:18,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:18,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:18,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:18,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:18,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:18,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:18,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:18,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:18,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:18,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:18,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:18,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:18,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:18,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:18,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:18,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:18,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:18,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:18,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:18,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:18,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:18,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:18,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:18,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:18,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:18,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:18,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:18,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:18,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:18,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:18,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:18,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:18,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:18,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:19,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:19,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:19,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:19,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:19,002 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:19,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:19,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:19,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:19,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:19,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:19,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:19,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:19,003 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:19,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:19,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:19,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:19,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:19,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:19,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:19,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:19,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:19,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:19,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:19,005 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:19,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:19,005 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:19,005 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:19,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:19,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:19,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:19,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2021-12-15 12:34:19,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:19,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:19,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:19,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:19,258 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:19,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-12-15 12:34:19,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbd68d21/ee5f123cb0814043aa7a3073c099f424/FLAG4c521bbb1 [2021-12-15 12:34:19,939 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:19,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-12-15 12:34:19,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbd68d21/ee5f123cb0814043aa7a3073c099f424/FLAG4c521bbb1 [2021-12-15 12:34:20,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cbd68d21/ee5f123cb0814043aa7a3073c099f424 [2021-12-15 12:34:20,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:20,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:20,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:20,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:20,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:20,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:20" (1/1) ... [2021-12-15 12:34:20,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f298d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:20, skipping insertion in model container [2021-12-15 12:34:20,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:20" (1/1) ... [2021-12-15 12:34:20,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:20,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:21,255 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-net-usb-catc.ko.cil.out.i[199632,199645] [2021-12-15 12:34:21,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:21,353 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:21,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:21,558 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-net-usb-catc.ko.cil.out.i[199632,199645] [2021-12-15 12:34:21,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:21,625 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:21,818 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-net-usb-catc.ko.cil.out.i[199632,199645] [2021-12-15 12:34:21,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:22,034 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:22,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:22 WrapperNode [2021-12-15 12:34:22,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:22,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:22,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:22,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:22,042 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 12:34:22,096 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 12:34:22,168 INFO L137 Inliner]: procedures = 157, calls = 839, calls flagged for inlining = 59, calls inlined = 40, statements flattened = 1605 [2021-12-15 12:34:22,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:22,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:22,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:22,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:22,183 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 12:34:22,184 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 12:34:22,204 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 12:34:22,205 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 12:34:22,251 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 12:34:22,262 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 12:34:22,281 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 12:34:22,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:22,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:22,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:22,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:22,306 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 12:34:22,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:22,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:22,373 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 12:34:22,401 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 12:34:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 12:34:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 12:34:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2021-12-15 12:34:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2021-12-15 12:34:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:34:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:34:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:34:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:34:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:34:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:34:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 12:34:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 12:34:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2021-12-15 12:34:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2021-12-15 12:34:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2021-12-15 12:34:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2021-12-15 12:34:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2021-12-15 12:34:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2021-12-15 12:34:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:34:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:34:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2021-12-15 12:34:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2021-12-15 12:34:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 12:34:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 12:34:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 12:34:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 12:34:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:34:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:34:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:34:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:34:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:34:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:34:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 12:34:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 12:34:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:34:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:34:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:34:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:34:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-15 12:34:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-15 12:34:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 12:34:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 12:34:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:34:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:34:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:34:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:34:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:34:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2021-12-15 12:34:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2021-12-15 12:34:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2021-12-15 12:34:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2021-12-15 12:34:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:34:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:34:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:34:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:34:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2021-12-15 12:34:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2021-12-15 12:34:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:34:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:34:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:34:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:34:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 12:34:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 12:34:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:34:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 12:34:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 12:34:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:34:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:34:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:34:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:34:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:34:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:34:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:34:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-15 12:34:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:22,791 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:22,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:33,478 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:33,482 INFO L158 Benchmark]: Toolchain (without parser) took 13146.47ms. Allocated memory was 56.6MB in the beginning and 264.2MB in the end (delta: 207.6MB). Free memory was 36.5MB in the beginning and 97.0MB in the end (delta: -60.4MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:33,482 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:33,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1699.93ms. Allocated memory was 56.6MB in the beginning and 264.2MB in the end (delta: 207.6MB). Free memory was 36.4MB in the beginning and 190.3MB in the end (delta: -153.9MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. [2021-12-15 12:34:33,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.15ms. Allocated memory is still 264.2MB. Free memory was 190.3MB in the beginning and 179.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:33,483 INFO L158 Benchmark]: Boogie Preprocessor took 128.80ms. Allocated memory is still 264.2MB. Free memory was 179.8MB in the beginning and 167.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:33,484 INFO L158 Benchmark]: RCFGBuilder took 11174.81ms. Allocated memory is still 264.2MB. Free memory was 167.2MB in the beginning and 97.0MB in the end (delta: 70.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-12-15 12:34:33,491 INFO L339 ainManager$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 56.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1699.93ms. Allocated memory was 56.6MB in the beginning and 264.2MB in the end (delta: 207.6MB). Free memory was 36.4MB in the beginning and 190.3MB in the end (delta: -153.9MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.15ms. Allocated memory is still 264.2MB. Free memory was 190.3MB in the beginning and 179.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.80ms. Allocated memory is still 264.2MB. Free memory was 179.8MB in the beginning and 167.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 11174.81ms. Allocated memory is still 264.2MB. Free memory was 167.2MB in the beginning and 97.0MB in the end (delta: 70.3MB). Peak memory consumption was 69.2MB. 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 12:34:33,546 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