./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.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-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.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 b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:10:45,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:10:45,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:10:45,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:10:45,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:10:45,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:10:45,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:10:45,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:10:45,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:10:45,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:10:45,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:10:45,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:10:45,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:10:45,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:10:45,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:10:45,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:10:45,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:10:45,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:10:45,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:10:45,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:10:45,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:10:45,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:10:45,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:10:45,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:10:45,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:10:45,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:10:45,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:10:45,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:10:45,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:10:45,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:10:45,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:10:45,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:10:45,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:10:45,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:10:45,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:10:45,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:10:45,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:10:45,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:10:45,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:10:45,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:10:45,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:10:45,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:10:45,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:10:45,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:10:45,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:10:45,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:10:45,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:10:45,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:10:45,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:10:45,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:10:45,955 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:10:45,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:10:45,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:10:45,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:10:45,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:10:45,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:10:45,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:10:45,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:10:45,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:10:45,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:10:45,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:10:45,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:10:45,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:10:45,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:45,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:10:45,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:10:45,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:10:45,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:10:45,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:10:45,960 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:10:45,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:10:45,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:10:45,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:10:45,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a [2021-12-15 13:10:46,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:10:46,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:10:46,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:10:46,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:10:46,184 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:10:46,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:46,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b5e02b0/e0ea319d0ab642f987fbddd687dad767/FLAGddcce2201 [2021-12-15 13:10:46,809 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:10:46,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:46,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b5e02b0/e0ea319d0ab642f987fbddd687dad767/FLAGddcce2201 [2021-12-15 13:10:46,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b5e02b0/e0ea319d0ab642f987fbddd687dad767 [2021-12-15 13:10:46,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:10:46,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:10:46,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:46,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:10:46,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:10:46,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:46" (1/1) ... [2021-12-15 13:10:46,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e334afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:46, skipping insertion in model container [2021-12-15 13:10:46,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:46" (1/1) ... [2021-12-15 13:10:46,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:10:47,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:10:48,068 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-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2021-12-15 13:10:48,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:48,126 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:10:48,319 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-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2021-12-15 13:10:48,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:48,429 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:10:48,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48 WrapperNode [2021-12-15 13:10:48,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:48,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:48,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:10:48,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:10:48,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,562 INFO L137 Inliner]: procedures = 187, calls = 873, calls flagged for inlining = 93, calls inlined = 91, statements flattened = 3212 [2021-12-15 13:10:48,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:48,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:10:48,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:10:48,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:10:48,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:10:48,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:10:48,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:10:48,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:10:48,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:48" (1/1) ... [2021-12-15 13:10:48,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:48,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:10:48,759 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 13:10:48,775 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 13:10:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-15 13:10:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-15 13:10:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2021-12-15 13:10:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2021-12-15 13:10:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:10:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:10:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-15 13:10:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-15 13:10:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:10:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:10:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:10:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:10:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:10:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:10:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:10:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:10:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:10:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-15 13:10:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-15 13:10:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-15 13:10:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-15 13:10:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:10:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:10:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:10:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:10:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:10:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:10:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:10:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:10:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:10:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:10:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:10:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:10:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-12-15 13:10:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-12-15 13:10:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:10:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:10:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:10:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:10:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:10:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:10:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:10:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:10:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:10:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:10:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:10:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 13:10:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 13:10:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:10:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-15 13:10:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-15 13:10:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:10:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:10:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-12-15 13:10:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-12-15 13:10:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-12-15 13:10:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-12-15 13:10:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:10:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:10:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:10:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-12-15 13:10:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-12-15 13:10:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:10:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:10:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:10:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:10:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:10:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2021-12-15 13:10:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2021-12-15 13:10:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:10:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:10:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2021-12-15 13:10:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2021-12-15 13:10:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:10:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 13:10:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 13:10:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 13:10:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 13:10:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:10:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:10:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-12-15 13:10:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-12-15 13:10:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-12-15 13:10:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-12-15 13:10:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:10:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-15 13:10:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-15 13:10:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:10:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-12-15 13:10:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-12-15 13:10:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:10:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:10:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2021-12-15 13:10:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2021-12-15 13:10:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:10:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:10:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:10:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:10:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2021-12-15 13:10:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2021-12-15 13:10:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-15 13:10:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-15 13:10:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:10:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:10:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:10:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:10:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:10:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:10:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:10:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:10:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:10:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:10:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:10:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 13:10:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 13:10:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:10:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:10:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:10:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:10:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:10:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-12-15 13:10:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-12-15 13:10:48,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:10:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:10:49,250 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:10:49,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:10:49,412 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:10:49,420 INFO L158 Benchmark]: Toolchain (without parser) took 2441.31ms. Allocated memory was 111.1MB in the beginning and 270.5MB in the end (delta: 159.4MB). Free memory was 75.8MB in the beginning and 172.4MB in the end (delta: -96.6MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2021-12-15 13:10:49,422 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:10:49,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.16ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 75.6MB in the beginning and 94.2MB in the end (delta: -18.6MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2021-12-15 13:10:49,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.37ms. Allocated memory is still 165.7MB. Free memory was 94.2MB in the beginning and 77.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:10:49,424 INFO L158 Benchmark]: Boogie Preprocessor took 167.01ms. Allocated memory was 165.7MB in the beginning and 270.5MB in the end (delta: 104.9MB). Free memory was 77.4MB in the beginning and 204.8MB in the end (delta: -127.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-12-15 13:10:49,424 INFO L158 Benchmark]: RCFGBuilder took 684.11ms. Allocated memory is still 270.5MB. Free memory was 204.8MB in the beginning and 172.4MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 13:10:49,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.16ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 75.6MB in the beginning and 94.2MB in the end (delta: -18.6MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.37ms. Allocated memory is still 165.7MB. Free memory was 94.2MB in the beginning and 77.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.01ms. Allocated memory was 165.7MB in the beginning and 270.5MB in the end (delta: 104.9MB). Free memory was 77.4MB in the beginning and 204.8MB in the end (delta: -127.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * RCFGBuilder took 684.11ms. Allocated memory is still 270.5MB. Free memory was 204.8MB in the beginning and 172.4MB in the end (delta: 32.4MB). 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 13:10:49,454 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-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.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 b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:10:51,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:10:51,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:10:51,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:10:51,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:10:51,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:10:51,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:10:51,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:10:51,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:10:51,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:10:51,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:10:51,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:10:51,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:10:51,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:10:51,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:10:51,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:10:51,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:10:51,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:10:51,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:10:51,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:10:51,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:10:51,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:10:51,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:10:51,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:10:51,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:10:51,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:10:51,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:10:51,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:10:51,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:10:51,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:10:51,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:10:51,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:10:51,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:10:51,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:10:51,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:10:51,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:10:51,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:10:51,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:10:51,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:10:51,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:10:51,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:10:51,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:10:51,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:10:51,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:10:51,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:10:51,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:10:51,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:10:51,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:10:51,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:10:51,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:10:51,337 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:10:51,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:10:51,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:10:51,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:10:51,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:10:51,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:10:51,338 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:10:51,339 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:10:51,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:10:51,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:10:51,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:10:51,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:10:51,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:10:51,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:10:51,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:10:51,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:51,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:10:51,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:10:51,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:10:51,341 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:10:51,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:10:51,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:10:51,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:10:51,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:10:51,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:10:51,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:10:51,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b83c28af83745ba79af1b1ebec4b495db7aa2efb3702685bbdc4b86421ef4c0a [2021-12-15 13:10:51,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:10:51,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:10:51,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:10:51,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:10:51,614 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:10:51,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:51,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9311bb5f/c3061e720ca34ca2a9b3247a0de511d7/FLAGfffc97d88 [2021-12-15 13:10:52,210 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:10:52,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-15 13:10:52,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9311bb5f/c3061e720ca34ca2a9b3247a0de511d7/FLAGfffc97d88 [2021-12-15 13:10:52,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9311bb5f/c3061e720ca34ca2a9b3247a0de511d7 [2021-12-15 13:10:52,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:10:52,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:10:52,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:52,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:10:52,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:10:52,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:52" (1/1) ... [2021-12-15 13:10:52,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f5d540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:52, skipping insertion in model container [2021-12-15 13:10:52,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:52" (1/1) ... [2021-12-15 13:10:52,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:10:52,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:10:53,545 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-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2021-12-15 13:10:53,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:53,580 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:10:53,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:10:53,789 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-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2021-12-15 13:10:53,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:53,815 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:10:54,005 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-validator-v0.8/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point_ldv-val-v0.8.cil.out.i[216887,216900] [2021-12-15 13:10:54,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:10:54,142 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:10:54,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54 WrapperNode [2021-12-15 13:10:54,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:10:54,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:54,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:10:54,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:10:54,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,285 INFO L137 Inliner]: procedures = 200, calls = 873, calls flagged for inlining = 93, calls inlined = 91, statements flattened = 3099 [2021-12-15 13:10:54,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:10:54,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:10:54,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:10:54,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:10:54,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:10:54,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:10:54,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:10:54,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:10:54,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54" (1/1) ... [2021-12-15 13:10:54,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:10:54,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:10:54,561 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 13:10:54,571 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 13:10:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-15 13:10:54,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-15 13:10:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:10:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2021-12-15 13:10:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2021-12-15 13:10:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:10:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:10:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:10:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:10:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:10:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:10:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:10:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:10:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:10:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:10:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:10:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:10:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:10:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:10:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:10:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:10:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:10:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:10:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:10:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:10:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:10:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 13:10:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 13:10:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-12-15 13:10:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-12-15 13:10:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:10:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:10:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:10:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:10:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:10:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2021-12-15 13:10:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2021-12-15 13:10:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:10:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 13:10:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 13:10:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-12-15 13:10:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-12-15 13:10:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:10:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:10:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:10:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:10:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:10:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-15 13:10:54,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-15 13:10:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:10:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:10:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:10:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:10:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:10:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2021-12-15 13:10:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2021-12-15 13:10:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:10:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:10:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:10:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:10:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:10:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:10:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:10:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:10:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:10:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:10:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-12-15 13:10:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-12-15 13:10:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-15 13:10:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-15 13:10:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:10:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:10:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-15 13:10:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-15 13:10:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-15 13:10:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-15 13:10:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:10:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:10:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:10:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:10:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:10:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:10:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-12-15 13:10:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-12-15 13:10:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:10:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:10:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:10:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:10:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:10:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:10:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:10:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:10:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:10:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-15 13:10:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-15 13:10:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:10:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:10:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-12-15 13:10:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-12-15 13:10:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:10:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-12-15 13:10:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-12-15 13:10:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:10:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:10:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:10:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:10:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:10:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:10:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:10:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2021-12-15 13:10:54,612 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2021-12-15 13:10:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:10:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:10:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 13:10:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 13:10:54,614 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-12-15 13:10:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-12-15 13:10:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-12-15 13:10:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-12-15 13:10:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:10:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:10:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2021-12-15 13:10:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2021-12-15 13:10:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 13:10:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 13:10:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:10:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:10:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:10:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 13:10:54,621 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 13:10:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 13:10:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 13:10:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:10:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:10:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:10:54,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:10:55,064 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:10:55,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:10:55,349 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:10:55,352 INFO L158 Benchmark]: Toolchain (without parser) took 2921.88ms. Allocated memory was 65.0MB in the beginning and 155.2MB in the end (delta: 90.2MB). Free memory was 35.9MB in the beginning and 55.8MB in the end (delta: -19.9MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2021-12-15 13:10:55,352 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:10:55,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1713.57ms. Allocated memory was 65.0MB in the beginning and 155.2MB in the end (delta: 90.2MB). Free memory was 35.7MB in the beginning and 93.5MB in the end (delta: -57.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-12-15 13:10:55,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.11ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 77.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:10:55,353 INFO L158 Benchmark]: Boogie Preprocessor took 199.85ms. Allocated memory is still 155.2MB. Free memory was 77.5MB in the beginning and 90.2MB in the end (delta: -12.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-12-15 13:10:55,353 INFO L158 Benchmark]: RCFGBuilder took 862.97ms. Allocated memory is still 155.2MB. Free memory was 90.2MB in the beginning and 55.8MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-15 13:10:55,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1713.57ms. Allocated memory was 65.0MB in the beginning and 155.2MB in the end (delta: 90.2MB). Free memory was 35.7MB in the beginning and 93.5MB in the end (delta: -57.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.11ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 77.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 199.85ms. Allocated memory is still 155.2MB. Free memory was 77.5MB in the beginning and 90.2MB in the end (delta: -12.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * RCFGBuilder took 862.97ms. Allocated memory is still 155.2MB. Free memory was 90.2MB in the beginning and 55.8MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. 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 13:10:55,392 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