./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.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 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:16,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:16,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:16,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:16,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:16,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:16,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:16,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:16,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:16,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:16,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:16,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:16,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:16,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:16,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:16,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:16,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:16,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:16,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:16,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:16,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:16,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:16,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:16,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:16,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:16,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:16,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:16,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:16,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:16,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:16,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:16,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:16,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:16,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:16,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:16,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:16,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:16,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:16,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:16,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:16,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:16,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:06:16,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:16,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:16,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:16,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:16,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:16,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:16,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:16,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:16,300 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:16,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:16,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:06:16,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:16,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:16,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:16,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:16,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:16,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:16,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:16,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:16,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:16,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:16,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:16,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:16,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:16,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:16,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:06:16,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:06:16,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:16,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:16,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:16,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:16,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 [2021-12-15 13:06:16,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:16,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:16,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:16,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:16,520 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:16,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-12-15 13:06:16,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df66a704/87685d40f42243beb34690be61b8a5d2/FLAGd03e8c767 [2021-12-15 13:06:17,134 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:17,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-12-15 13:06:17,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df66a704/87685d40f42243beb34690be61b8a5d2/FLAGd03e8c767 [2021-12-15 13:06:17,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df66a704/87685d40f42243beb34690be61b8a5d2 [2021-12-15 13:06:17,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:17,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:17,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:17,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:17,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:17,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b30a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17, skipping insertion in model container [2021-12-15 13:06:17,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:17,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:18,339 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-12-15 13:06:18,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:18,698 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:18,802 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-12-15 13:06:18,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:19,001 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:19,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19 WrapperNode [2021-12-15 13:06:19,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:19,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:19,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:19,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:19,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,118 INFO L137 Inliner]: procedures = 175, calls = 797, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 2205 [2021-12-15 13:06:19,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:19,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:19,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:19,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:19,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:19,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:19,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:19,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:19,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:19" (1/1) ... [2021-12-15 13:06:19,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:19,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:19,272 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 13:06:19,297 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 13:06:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 13:06:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 13:06:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-15 13:06:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-15 13:06:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_15 [2021-12-15 13:06:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_15 [2021-12-15 13:06:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:06:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:06:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:06:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-15 13:06:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-15 13:06:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:06:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:06:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:06:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-15 13:06:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-15 13:06:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-15 13:06:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-15 13:06:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:06:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:06:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:06:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:06:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-15 13:06:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-15 13:06:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_read_bulk_callback [2021-12-15 13:06:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_read_bulk_callback [2021-12-15 13:06:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-15 13:06:19,319 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-15 13:06:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-15 13:06:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-15 13:06:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:06:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:06:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:06:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:06:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:06:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:06:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:06:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-15 13:06:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-15 13:06:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2021-12-15 13:06:19,322 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2021-12-15 13:06:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:06:19,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:06:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:06:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:06:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 13:06:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 13:06:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:06:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:06:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-15 13:06:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-15 13:06:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-15 13:06:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-15 13:06:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2021-12-15 13:06:19,326 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2021-12-15 13:06:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:06:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_disconnect [2021-12-15 13:06:19,326 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_disconnect [2021-12-15 13:06:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-15 13:06:19,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-15 13:06:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:06:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:06:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-15 13:06:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-15 13:06:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:06:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:06:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-15 13:06:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-15 13:06:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-15 13:06:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-15 13:06:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:06:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-15 13:06:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-15 13:06:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:06:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:06:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:06:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_send_cmd [2021-12-15 13:06:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_send_cmd [2021-12-15 13:06:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:06:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:06:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_cmd_open [2021-12-15 13:06:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_cmd_open [2021-12-15 13:06:19,664 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:19,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:19,797 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:19,801 INFO L158 Benchmark]: Toolchain (without parser) took 2177.54ms. Allocated memory was 111.1MB in the beginning and 339.7MB in the end (delta: 228.6MB). Free memory was 75.6MB in the beginning and 276.4MB in the end (delta: -200.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2021-12-15 13:06:19,801 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:19,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.05ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 75.4MB in the beginning and 120.4MB in the end (delta: -45.0MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2021-12-15 13:06:19,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.30ms. Allocated memory is still 169.9MB. Free memory was 120.4MB in the beginning and 106.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:06:19,803 INFO L158 Benchmark]: Boogie Preprocessor took 126.08ms. Allocated memory is still 169.9MB. Free memory was 106.9MB in the beginning and 93.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:06:19,803 INFO L158 Benchmark]: RCFGBuilder took 553.40ms. Allocated memory was 169.9MB in the beginning and 339.7MB in the end (delta: 169.9MB). Free memory was 93.1MB in the beginning and 276.4MB in the end (delta: -183.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-15 13:06:19,805 INFO L339 ainManager$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 111.1MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.05ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 75.4MB in the beginning and 120.4MB in the end (delta: -45.0MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.30ms. Allocated memory is still 169.9MB. Free memory was 120.4MB in the beginning and 106.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.08ms. Allocated memory is still 169.9MB. Free memory was 106.9MB in the beginning and 93.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 553.40ms. Allocated memory was 169.9MB in the beginning and 339.7MB in the end (delta: 169.9MB). Free memory was 93.1MB in the beginning and 276.4MB in the end (delta: -183.2MB). Peak memory consumption was 35.7MB. 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 13:06:19,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.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 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:21,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:21,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:21,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:21,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:21,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:21,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:21,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:21,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:21,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:21,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:21,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:21,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:21,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:21,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:21,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:21,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:21,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:21,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:21,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:21,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:21,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:21,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:21,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:21,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:21,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:21,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:21,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:21,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:21,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:21,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:21,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:21,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:21,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:21,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:21,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:21,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:21,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:21,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:21,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:21,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:21,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:06:21,776 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:21,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:21,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:21,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:21,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:21,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:21,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:21,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:21,780 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:21,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:21,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:21,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:21,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:21,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:21,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:06:21,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:06:21,782 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:06:21,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:21,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:21,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:21,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:21,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:21,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:21,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:21,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:21,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:21,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:21,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:06:21,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:06:21,788 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:21,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:21,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:21,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:21,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:06:21,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83293f5c81ac30df7449dd9c03263a4edbba62be916a9a4fda92d2518792b8d4 [2021-12-15 13:06:22,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:22,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:22,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:22,103 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:22,103 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:22,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-12-15 13:06:22,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f279492/db376340f76a46c68deb0d542f4e2e31/FLAG6b8743b27 [2021-12-15 13:06:22,790 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:22,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i [2021-12-15 13:06:22,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f279492/db376340f76a46c68deb0d542f4e2e31/FLAG6b8743b27 [2021-12-15 13:06:23,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f279492/db376340f76a46c68deb0d542f4e2e31 [2021-12-15 13:06:23,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:23,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:23,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:23,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:23,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:23,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:23" (1/1) ... [2021-12-15 13:06:23,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133c8abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:23, skipping insertion in model container [2021-12-15 13:06:23,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:23" (1/1) ... [2021-12-15 13:06:23,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:23,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:23,899 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-12-15 13:06:24,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:24,316 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:06:24,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:24,439 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-12-15 13:06:24,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:24,554 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:24,638 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--usb_8dev.ko-entry_point.cil.out.i[163669,163682] [2021-12-15 13:06:24,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:24,759 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:24,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24 WrapperNode [2021-12-15 13:06:24,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:24,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:24,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:24,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:24,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,889 INFO L137 Inliner]: procedures = 189, calls = 797, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 2150 [2021-12-15 13:06:24,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:24,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:24,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:24,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:24,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:24,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:25,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:25,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:25,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:25,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:25,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:24" (1/1) ... [2021-12-15 13:06:25,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:25,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:25,031 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 13:06:25,075 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 13:06:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 13:06:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 13:06:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-15 13:06:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-15 13:06:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:06:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_15 [2021-12-15 13:06:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_15 [2021-12-15 13:06:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:06:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:06:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:06:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:06:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:06:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-15 13:06:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-15 13:06:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:06:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:06:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-15 13:06:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-15 13:06:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-15 13:06:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-15 13:06:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:06:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:06:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:06:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:06:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-15 13:06:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-15 13:06:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_read_bulk_callback [2021-12-15 13:06:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_read_bulk_callback [2021-12-15 13:06:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-15 13:06:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-15 13:06:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-15 13:06:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-15 13:06:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:06:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:06:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:06:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:06:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:06:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:06:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:06:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:06:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:06:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:06:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-15 13:06:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-15 13:06:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2021-12-15 13:06:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2021-12-15 13:06:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:06:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:06:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:06:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:06:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:06:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:06:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:06:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 13:06:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 13:06:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:06:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:06:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-15 13:06:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-15 13:06:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-15 13:06:25,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-15 13:06:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:06:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:06:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:06:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2021-12-15 13:06:25,140 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2021-12-15 13:06:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:06:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:06:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_disconnect [2021-12-15 13:06:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_disconnect [2021-12-15 13:06:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:06:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:06:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:06:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-15 13:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-15 13:06:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:06:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-15 13:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-15 13:06:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:06:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:06:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-15 13:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-15 13:06:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-15 13:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-15 13:06:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:06:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-15 13:06:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-15 13:06:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:06:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:06:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_send_cmd [2021-12-15 13:06:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_send_cmd [2021-12-15 13:06:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:06:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:06:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_8dev_cmd_open [2021-12-15 13:06:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_8dev_cmd_open [2021-12-15 13:06:25,608 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:25,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:25,731 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:25,750 INFO L158 Benchmark]: Toolchain (without parser) took 2604.20ms. Allocated memory was 56.6MB in the beginning and 205.5MB in the end (delta: 148.9MB). Free memory was 31.1MB in the beginning and 107.4MB in the end (delta: -76.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2021-12-15 13:06:25,750 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 28.0MB in the beginning and 27.9MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:25,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1613.34ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 30.9MB in the beginning and 66.0MB in the end (delta: -35.0MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2021-12-15 13:06:25,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.81ms. Allocated memory is still 130.0MB. Free memory was 66.0MB in the beginning and 53.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:06:25,751 INFO L158 Benchmark]: Boogie Preprocessor took 116.31ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 53.1MB in the beginning and 134.6MB in the end (delta: -81.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-12-15 13:06:25,751 INFO L158 Benchmark]: RCFGBuilder took 741.33ms. Allocated memory is still 205.5MB. Free memory was 134.6MB in the beginning and 107.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 13:06:25,753 INFO L339 ainManager$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 46.1MB. Free memory was 28.0MB in the beginning and 27.9MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1613.34ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 30.9MB in the beginning and 66.0MB in the end (delta: -35.0MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.81ms. Allocated memory is still 130.0MB. Free memory was 66.0MB in the beginning and 53.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.31ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 53.1MB in the beginning and 134.6MB in the end (delta: -81.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * RCFGBuilder took 741.33ms. Allocated memory is still 205.5MB. Free memory was 134.6MB in the beginning and 107.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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 13:06:25,780 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