./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--esd_usb2.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--esd_usb2.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 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:14,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:14,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:14,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:14,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:14,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:14,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:14,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:14,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:14,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:14,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:14,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:14,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:14,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:14,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:14,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:14,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:14,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:14,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:14,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:14,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:14,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:14,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:14,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:14,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:14,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:14,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:14,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:14,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:14,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:14,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:14,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:14,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:14,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:14,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:14,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:14,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:14,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:14,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:14,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:14,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:14,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:06:14,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:14,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:14,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:14,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:14,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:14,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:14,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:14,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:14,893 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:14,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:14,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:06:14,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:14,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:14,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:14,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:14,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:14,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:14,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:14,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:14,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:14,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:14,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:14,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:14,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:14,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:14,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:06:14,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:06:14,896 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:14,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:14,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:14,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:14,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 [2021-12-15 13:06:15,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:15,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:15,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:15,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:15,111 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:15,112 INFO L432 ainManager$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--esd_usb2.ko-entry_point.cil.out.i [2021-12-15 13:06:15,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdffc3d0/e5e22aef8a0d406da14f1dff0c123e36/FLAG9385982cc [2021-12-15 13:06:15,704 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:15,705 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--esd_usb2.ko-entry_point.cil.out.i [2021-12-15 13:06:15,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdffc3d0/e5e22aef8a0d406da14f1dff0c123e36/FLAG9385982cc [2021-12-15 13:06:15,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdffc3d0/e5e22aef8a0d406da14f1dff0c123e36 [2021-12-15 13:06:15,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:15,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:15,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:15,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:15,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:15,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620a072d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:15, skipping insertion in model container [2021-12-15 13:06:15,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:15" (1/1) ... [2021-12-15 13:06:15,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:16,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:16,502 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--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2021-12-15 13:06:16,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:16,904 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:16,986 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--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2021-12-15 13:06:17,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:17,193 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:17,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17 WrapperNode [2021-12-15 13:06:17,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:17,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:17,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:17,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:17,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,343 INFO L137 Inliner]: procedures = 160, calls = 847, calls flagged for inlining = 71, calls inlined = 71, statements flattened = 2354 [2021-12-15 13:06:17,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:17,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:17,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:17,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:17,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:17,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:17,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:17,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:17,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:17" (1/1) ... [2021-12-15 13:06:17,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:17,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:17,510 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 13:06:17,516 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 13:06:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 13:06:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 13:06:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_17 [2021-12-15 13:06:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_17 [2021-12-15 13:06:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-15 13:06:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-15 13:06:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:06:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:06:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:06:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2021-12-15 13:06:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2021-12-15 13:06:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-15 13:06:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-15 13:06:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-15 13:06:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-15 13:06:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 13:06:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 13:06:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:06:17,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:06:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-15 13:06:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-15 13:06:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-15 13:06:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-15 13:06:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:06:17,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:06:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-15 13:06:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-15 13:06:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:06:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:06:17,542 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:06:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:06:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:06:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:06:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:06:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-15 13:06:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-15 13:06:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2021-12-15 13:06:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2021-12-15 13:06:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:06:17,544 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:06:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:06:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:06:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:06:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:06:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 13:06:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 13:06:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:06:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:06:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-15 13:06:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-15 13:06:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-15 13:06:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-15 13:06:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:06:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:06:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:06:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_read_bulk_callback [2021-12-15 13:06:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_read_bulk_callback [2021-12-15 13:06:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_send_msg [2021-12-15 13:06:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_send_msg [2021-12-15 13:06:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-15 13:06:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-15 13:06:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:06:17,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:06:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:06:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:06:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-15 13:06:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-15 13:06:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:06:17,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:06:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-15 13:06:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-15 13:06:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-15 13:06:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-15 13:06:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:06:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-15 13:06:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-15 13:06:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:06:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:06:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:06:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:06:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_disconnect [2021-12-15 13:06:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_disconnect [2021-12-15 13:06:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:17,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:17,957 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:17,961 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:18,060 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:18,064 INFO L158 Benchmark]: Toolchain (without parser) took 2151.71ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 86.8MB in the beginning and 71.8MB in the end (delta: 14.9MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2021-12-15 13:06:18,065 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 36.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:18,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.44ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 86.4MB in the beginning and 80.5MB in the end (delta: 5.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2021-12-15 13:06:18,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.11ms. Allocated memory is still 178.3MB. Free memory was 80.5MB in the beginning and 114.0MB in the end (delta: -33.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-15 13:06:18,066 INFO L158 Benchmark]: Boogie Preprocessor took 139.59ms. Allocated memory is still 178.3MB. Free memory was 114.0MB in the beginning and 99.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:06:18,066 INFO L158 Benchmark]: RCFGBuilder took 577.39ms. Allocated memory is still 178.3MB. Free memory was 99.3MB in the beginning and 71.8MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 13:06:18,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 36.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.44ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 86.4MB in the beginning and 80.5MB in the end (delta: 5.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.11ms. Allocated memory is still 178.3MB. Free memory was 80.5MB in the beginning and 114.0MB in the end (delta: -33.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.59ms. Allocated memory is still 178.3MB. Free memory was 114.0MB in the beginning and 99.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 577.39ms. Allocated memory is still 178.3MB. Free memory was 99.3MB in the beginning and 71.8MB in the end (delta: 27.4MB). 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 13:06:18,127 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.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 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:19,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:19,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:19,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:19,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:19,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:19,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:19,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:19,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:19,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:19,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:19,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:19,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:19,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:19,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:19,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:19,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:19,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:19,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:19,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:19,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:19,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:19,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:19,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:19,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:19,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:19,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:19,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:19,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:19,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:19,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:19,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:19,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:19,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:19,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:19,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:19,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:19,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:19,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:19,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:19,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:19,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:06:19,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:19,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:19,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:19,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:19,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:19,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:19,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:19,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:19,838 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:19,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:19,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:19,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:19,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:19,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:19,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:06:19,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:06:19,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:06:19,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:19,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:19,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:19,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:19,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:19,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:19,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:19,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:19,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:19,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:19,856 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:06:19,856 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:06:19,856 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:19,856 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:19,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:19,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:19,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:06:19,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 [2021-12-15 13:06:20,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:20,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:20,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:20,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:20,138 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:20,139 INFO L432 ainManager$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--esd_usb2.ko-entry_point.cil.out.i [2021-12-15 13:06:20,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b40be2b7/0bfc0e8b0ccb4a7c8bfa467eaebe78f7/FLAGc7dbb0638 [2021-12-15 13:06:20,821 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:20,822 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--esd_usb2.ko-entry_point.cil.out.i [2021-12-15 13:06:20,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b40be2b7/0bfc0e8b0ccb4a7c8bfa467eaebe78f7/FLAGc7dbb0638 [2021-12-15 13:06:21,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b40be2b7/0bfc0e8b0ccb4a7c8bfa467eaebe78f7 [2021-12-15 13:06:21,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:21,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:21,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:21,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:21,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:21,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770c495f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:21, skipping insertion in model container [2021-12-15 13:06:21,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:21" (1/1) ... [2021-12-15 13:06:21,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:21,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:21,958 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--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2021-12-15 13:06:22,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:22,369 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:06:22,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:22,496 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--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2021-12-15 13:06:22,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:22,656 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:22,777 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--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2021-12-15 13:06:22,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:22,983 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:22,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22 WrapperNode [2021-12-15 13:06:22,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:22,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:22,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:22,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:22,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,122 INFO L137 Inliner]: procedures = 169, calls = 847, calls flagged for inlining = 71, calls inlined = 71, statements flattened = 2294 [2021-12-15 13:06:23,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:23,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:23,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:23,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:23,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:23,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:23,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:23,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:23,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:22" (1/1) ... [2021-12-15 13:06:23,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:23,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:23,313 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 13:06:23,331 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 13:06:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 13:06:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 13:06:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2021-12-15 13:06:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:06:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_17 [2021-12-15 13:06:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_17 [2021-12-15 13:06:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-12-15 13:06:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:06:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:06:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:06:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-15 13:06:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-15 13:06:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:06:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:06:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2021-12-15 13:06:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2021-12-15 13:06:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-15 13:06:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-15 13:06:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-15 13:06:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-15 13:06:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 13:06:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 13:06:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 13:06:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 13:06:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-15 13:06:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-15 13:06:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-15 13:06:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-15 13:06:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:06:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:06:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-15 13:06:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-15 13:06:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:06:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:06:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:06:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:06:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:06:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:06:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-12-15 13:06:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-12-15 13:06:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2021-12-15 13:06:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2021-12-15 13:06:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:06:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:06:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:06:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:06:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:06:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 13:06:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 13:06:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 13:06:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 13:06:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:06:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:06:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-15 13:06:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-15 13:06:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-15 13:06:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-15 13:06:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:06:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:06:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:06:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:06:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:06:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:06:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:06:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:06:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:06:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_read_bulk_callback [2021-12-15 13:06:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_read_bulk_callback [2021-12-15 13:06:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:06:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:06:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_send_msg [2021-12-15 13:06:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_send_msg [2021-12-15 13:06:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-15 13:06:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-15 13:06:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:06:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:06:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:06:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:06:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-15 13:06:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-15 13:06:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:06:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:06:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-15 13:06:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-15 13:06:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-15 13:06:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-15 13:06:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-15 13:06:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-15 13:06:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:06:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:06:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 13:06:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 13:06:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_disconnect [2021-12-15 13:06:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_disconnect [2021-12-15 13:06:23,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:23,726 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:23,729 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:23,945 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:23,949 INFO L158 Benchmark]: Toolchain (without parser) took 2718.32ms. Allocated memory was 54.5MB in the beginning and 159.4MB in the end (delta: 104.9MB). Free memory was 32.6MB in the beginning and 54.6MB in the end (delta: -22.0MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2021-12-15 13:06:23,949 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:23,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1750.60ms. Allocated memory was 54.5MB in the beginning and 159.4MB in the end (delta: 104.9MB). Free memory was 32.4MB in the beginning and 80.1MB in the end (delta: -47.7MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2021-12-15 13:06:23,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.95ms. Allocated memory is still 159.4MB. Free memory was 80.1MB in the beginning and 66.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:06:23,950 INFO L158 Benchmark]: Boogie Preprocessor took 161.14ms. Allocated memory is still 159.4MB. Free memory was 66.2MB in the beginning and 85.1MB in the end (delta: -18.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-12-15 13:06:23,950 INFO L158 Benchmark]: RCFGBuilder took 662.53ms. Allocated memory is still 159.4MB. Free memory was 85.1MB in the beginning and 54.6MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 13:06:23,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1750.60ms. Allocated memory was 54.5MB in the beginning and 159.4MB in the end (delta: 104.9MB). Free memory was 32.4MB in the beginning and 80.1MB in the end (delta: -47.7MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.95ms. Allocated memory is still 159.4MB. Free memory was 80.1MB in the beginning and 66.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.14ms. Allocated memory is still 159.4MB. Free memory was 66.2MB in the beginning and 85.1MB in the end (delta: -18.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * RCFGBuilder took 662.53ms. Allocated memory is still 159.4MB. Free memory was 85.1MB in the beginning and 54.6MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. 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 13:06:23,988 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable