./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.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 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:30:45,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:30:45,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:30:45,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:30:45,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:30:45,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:30:45,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:30:45,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:30:45,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:30:45,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:30:45,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:30:45,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:30:45,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:30:45,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:30:45,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:30:45,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:30:45,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:30:45,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:30:45,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:30:45,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:30:45,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:30:45,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:30:45,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:30:45,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:30:45,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:30:45,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:30:45,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:30:45,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:30:45,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:30:45,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:30:45,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:30:45,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:30:45,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:30:45,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:30:45,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:30:45,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:30:45,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:30:45,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:30:45,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:30:45,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:30:45,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:30:45,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:30:45,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:30:45,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:30:45,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:30:45,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:30:45,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:30:45,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:30:45,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:30:45,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:30:45,254 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:30:45,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:30:45,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:30:45,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:30:45,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:30:45,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:30:45,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:30:45,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:30:45,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:30:45,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:30:45,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:30:45,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:30:45,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:30:45,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:30:45,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:30:45,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:30:45,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:30:45,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:30:45,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:30:45,258 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:30:45,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:30:45,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:30:45,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:30:45,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-12-15 13:30:45,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:30:45,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:30:45,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:30:45,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:30:45,481 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:30:45,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-15 13:30:45,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf12cbe7/202c2b42e0a24e8e92dce08c499cd46d/FLAGd20d340d1 [2021-12-15 13:30:46,240 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:30:46,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-15 13:30:46,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf12cbe7/202c2b42e0a24e8e92dce08c499cd46d/FLAGd20d340d1 [2021-12-15 13:30:46,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf12cbe7/202c2b42e0a24e8e92dce08c499cd46d [2021-12-15 13:30:46,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:30:46,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:30:46,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:30:46,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:30:46,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:30:46,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:30:46" (1/1) ... [2021-12-15 13:30:46,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2394642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:46, skipping insertion in model container [2021-12-15 13:30:46,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:30:46" (1/1) ... [2021-12-15 13:30:46,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:30:46,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:30:49,220 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-12-15 13:30:49,224 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-12-15 13:30:49,224 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-12-15 13:30:49,225 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-12-15 13:30:49,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:30:49,305 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:30:49,640 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-12-15 13:30:49,641 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-12-15 13:30:49,641 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-12-15 13:30:49,642 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-12-15 13:30:49,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:30:49,836 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:30:49,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49 WrapperNode [2021-12-15 13:30:49,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:30:49,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:30:49,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:30:49,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:30:49,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:49,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,126 INFO L137 Inliner]: procedures = 614, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7165 [2021-12-15 13:30:50,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:30:50,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:30:50,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:30:50,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:30:50,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:30:50,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:30:50,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:30:50,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:30:50,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:49" (1/1) ... [2021-12-15 13:30:50,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:30:50,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:30:50,361 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 13:30:50,378 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 13:30:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-12-15 13:30:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-12-15 13:30:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:30:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:30:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:30:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:30:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-15 13:30:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-15 13:30:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-12-15 13:30:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-12-15 13:30:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-12-15 13:30:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-12-15 13:30:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-12-15 13:30:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-12-15 13:30:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-15 13:30:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-15 13:30:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:30:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:30:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-12-15 13:30:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-12-15 13:30:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-15 13:30:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-15 13:30:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:30:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:30:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:30:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:30:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:30:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-12-15 13:30:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-12-15 13:30:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:30:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:30:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-12-15 13:30:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-12-15 13:30:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:30:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:30:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-12-15 13:30:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-12-15 13:30:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:30:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:30:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:30:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-12-15 13:30:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-12-15 13:30:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:30:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-12-15 13:30:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-12-15 13:30:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:30:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:30:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-12-15 13:30:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-12-15 13:30:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:30:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:30:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:30:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-15 13:30:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-15 13:30:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-12-15 13:30:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-12-15 13:30:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-15 13:30:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-15 13:30:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-15 13:30:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-15 13:30:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:30:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:30:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-15 13:30:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-15 13:30:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-15 13:30:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-15 13:30:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:30:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-15 13:30:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-15 13:30:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-15 13:30:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-15 13:30:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-15 13:30:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-15 13:30:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:30:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:30:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:30:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:30:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:30:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-12-15 13:30:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-12-15 13:30:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:30:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:30:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:30:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:30:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-12-15 13:30:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-12-15 13:30:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-12-15 13:30:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-12-15 13:30:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:30:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:30:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:30:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:30:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-12-15 13:30:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-12-15 13:30:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-12-15 13:30:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-12-15 13:30:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:30:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:30:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-15 13:30:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-15 13:30:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:30:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:30:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-12-15 13:30:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-12-15 13:30:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-15 13:30:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-15 13:30:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-12-15 13:30:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-12-15 13:30:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-15 13:30:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-15 13:30:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:30:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-12-15 13:30:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-12-15 13:30:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:30:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:30:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:30:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-15 13:30:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-15 13:30:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:30:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:30:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-15 13:30:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:30:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:30:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-12-15 13:30:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-12-15 13:30:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:30:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:30:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-15 13:30:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-15 13:30:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:30:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:30:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-12-15 13:30:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-12-15 13:30:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:30:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:30:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-12-15 13:30:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-12-15 13:30:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:30:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:30:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:30:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-15 13:30:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-15 13:30:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-12-15 13:30:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-12-15 13:30:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:30:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-12-15 13:30:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-12-15 13:30:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:30:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:30:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:30:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-12-15 13:30:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-12-15 13:30:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:30:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:30:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-12-15 13:30:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-12-15 13:30:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:30:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:30:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-12-15 13:30:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-12-15 13:30:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-12-15 13:30:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-12-15 13:30:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:30:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:30:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-12-15 13:30:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-12-15 13:30:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-12-15 13:30:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-12-15 13:30:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:30:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:30:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:30:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:30:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:30:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:30:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 13:30:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 13:30:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-12-15 13:30:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-12-15 13:30:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:30:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:30:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-12-15 13:30:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-12-15 13:30:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:30:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-12-15 13:30:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-12-15 13:30:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-12-15 13:30:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-12-15 13:30:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-12-15 13:30:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-12-15 13:30:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:30:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:30:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-12-15 13:30:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-12-15 13:30:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-12-15 13:30:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-12-15 13:30:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-12-15 13:30:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-12-15 13:30:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:30:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:30:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-15 13:30:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-15 13:30:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:30:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:30:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-15 13:30:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-15 13:30:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:30:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:30:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:30:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:30:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:30:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:30:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:30:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:30:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:30:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:30:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-12-15 13:30:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-12-15 13:30:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-12-15 13:30:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-12-15 13:30:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-12-15 13:30:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-12-15 13:30:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:30:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:30:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-15 13:30:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-15 13:30:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-12-15 13:30:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-12-15 13:30:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:30:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:30:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:30:51,155 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:30:51,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:30:51,255 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:30:51,259 INFO L158 Benchmark]: Toolchain (without parser) took 4695.75ms. Allocated memory was 100.7MB in the beginning and 272.6MB in the end (delta: 172.0MB). Free memory was 65.3MB in the beginning and 86.6MB in the end (delta: -21.2MB). Peak memory consumption was 149.0MB. Max. memory is 16.1GB. [2021-12-15 13:30:51,260 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:30:51,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3271.67ms. Allocated memory was 100.7MB in the beginning and 216.0MB in the end (delta: 115.3MB). Free memory was 64.9MB in the beginning and 98.5MB in the end (delta: -33.5MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. [2021-12-15 13:30:51,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 289.26ms. Allocated memory was 216.0MB in the beginning and 272.6MB in the end (delta: 56.6MB). Free memory was 98.5MB in the beginning and 175.7MB in the end (delta: -77.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2021-12-15 13:30:51,261 INFO L158 Benchmark]: Boogie Preprocessor took 192.17ms. Allocated memory is still 272.6MB. Free memory was 175.7MB in the beginning and 135.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 13:30:51,262 INFO L158 Benchmark]: RCFGBuilder took 937.91ms. Allocated memory is still 272.6MB. Free memory was 135.8MB in the beginning and 86.6MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-15 13:30:51,264 INFO L339 ainManager$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 100.7MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3271.67ms. Allocated memory was 100.7MB in the beginning and 216.0MB in the end (delta: 115.3MB). Free memory was 64.9MB in the beginning and 98.5MB in the end (delta: -33.5MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 289.26ms. Allocated memory was 216.0MB in the beginning and 272.6MB in the end (delta: 56.6MB). Free memory was 98.5MB in the beginning and 175.7MB in the end (delta: -77.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 192.17ms. Allocated memory is still 272.6MB. Free memory was 175.7MB in the beginning and 135.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 937.91ms. Allocated memory is still 272.6MB. Free memory was 135.8MB in the beginning and 86.6MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:30:51,293 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.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 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:30:52,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:30:52,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:30:52,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:30:52,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:30:52,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:30:52,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:30:53,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:30:53,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:30:53,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:30:53,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:30:53,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:30:53,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:30:53,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:30:53,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:30:53,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:30:53,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:30:53,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:30:53,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:30:53,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:30:53,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:30:53,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:30:53,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:30:53,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:30:53,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:30:53,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:30:53,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:30:53,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:30:53,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:30:53,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:30:53,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:30:53,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:30:53,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:30:53,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:30:53,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:30:53,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:30:53,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:30:53,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:30:53,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:30:53,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:30:53,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:30:53,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:30:53,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:30:53,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:30:53,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:30:53,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:30:53,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:30:53,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:30:53,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:30:53,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:30:53,083 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:30:53,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:30:53,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:30:53,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:30:53,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:30:53,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:30:53,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:30:53,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:30:53,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:30:53,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:30:53,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:30:53,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:30:53,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:30:53,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:30:53,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:30:53,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:30:53,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:30:53,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:30:53,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:30:53,087 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:30:53,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:30:53,087 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:30:53,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:30:53,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:30:53,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:30:53,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:30:53,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-12-15 13:30:53,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:30:53,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:30:53,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:30:53,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:30:53,390 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:30:53,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-15 13:30:53,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a975c231/e20dd9ff38224cee8bbdb322572f2e04/FLAG762dc6d82 [2021-12-15 13:30:54,093 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:30:54,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-15 13:30:54,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a975c231/e20dd9ff38224cee8bbdb322572f2e04/FLAG762dc6d82 [2021-12-15 13:30:54,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a975c231/e20dd9ff38224cee8bbdb322572f2e04 [2021-12-15 13:30:54,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:30:54,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:30:54,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:30:54,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:30:54,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:30:54,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:30:54" (1/1) ... [2021-12-15 13:30:54,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677eca1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:54, skipping insertion in model container [2021-12-15 13:30:54,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:30:54" (1/1) ... [2021-12-15 13:30:54,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:30:54,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:30:57,049 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-12-15 13:30:57,051 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-12-15 13:30:57,052 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-12-15 13:30:57,052 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-12-15 13:30:57,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:30:57,115 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:30:57,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:30:57,493 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-12-15 13:30:57,493 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-12-15 13:30:57,494 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-12-15 13:30:57,494 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-12-15 13:30:57,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:30:57,535 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:30:57,893 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-12-15 13:30:57,893 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-12-15 13:30:57,894 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-12-15 13:30:57,894 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-12-15 13:30:57,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:30:58,124 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:30:58,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58 WrapperNode [2021-12-15 13:30:58,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:30:58,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:30:58,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:30:58,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:30:58,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,357 INFO L137 Inliner]: procedures = 629, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 6951 [2021-12-15 13:30:58,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:30:58,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:30:58,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:30:58,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:30:58,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:30:58,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:30:58,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:30:58,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:30:58,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:58" (1/1) ... [2021-12-15 13:30:58,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:30:58,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:30:58,601 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 13:30:58,612 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 13:30:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-12-15 13:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-12-15 13:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-15 13:30:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-15 13:30:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-12-15 13:30:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-12-15 13:30:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-12-15 13:30:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-12-15 13:30:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-12-15 13:30:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-12-15 13:30:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-15 13:30:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-15 13:30:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:30:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:30:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-12-15 13:30:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-12-15 13:30:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-15 13:30:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-15 13:30:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:30:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:30:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:30:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:30:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:30:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:30:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:30:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:30:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:30:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-12-15 13:30:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-12-15 13:30:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:30:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:30:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-12-15 13:30:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-12-15 13:30:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:30:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:30:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-12-15 13:30:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-12-15 13:30:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:30:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:30:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-12-15 13:30:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-12-15 13:30:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-12-15 13:30:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-12-15 13:30:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:30:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:30:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-12-15 13:30:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-12-15 13:30:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:30:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:30:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-15 13:30:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-15 13:30:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-12-15 13:30:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-12-15 13:30:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-15 13:30:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-15 13:30:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-15 13:30:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-15 13:30:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:30:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:30:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-15 13:30:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-15 13:30:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-15 13:30:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-15 13:30:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:30:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-15 13:30:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-15 13:30:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-15 13:30:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-15 13:30:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-15 13:30:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-15 13:30:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:30:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:30:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:30:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:30:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:30:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:30:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-12-15 13:30:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:30:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:30:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-12-15 13:30:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-12-15 13:30:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:30:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:30:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:30:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:30:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-12-15 13:30:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-12-15 13:30:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-12-15 13:30:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-12-15 13:30:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:30:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:30:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-15 13:30:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:30:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-12-15 13:30:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-15 13:30:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-12-15 13:30:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-15 13:30:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-12-15 13:30:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:30:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:30:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-12-15 13:30:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:30:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-15 13:30:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-12-15 13:30:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-12-15 13:30:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:30:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-12-15 13:30:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-12-15 13:30:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-15 13:30:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:30:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 13:30:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-12-15 13:30:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-12-15 13:30:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:30:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-12-15 13:30:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-12-15 13:30:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-12-15 13:30:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-12-15 13:30:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-12-15 13:30:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-12-15 13:30:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:30:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:30:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-15 13:30:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-15 13:30:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-12-15 13:30:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-12-15 13:30:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:30:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:30:59,468 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:30:59,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:30:59,550 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:30:59,553 INFO L158 Benchmark]: Toolchain (without parser) took 5329.88ms. Allocated memory was 65.0MB in the beginning and 302.0MB in the end (delta: 237.0MB). Free memory was 38.1MB in the beginning and 154.9MB in the end (delta: -116.8MB). Peak memory consumption was 182.7MB. Max. memory is 16.1GB. [2021-12-15 13:30:59,553 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:30:59,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3900.39ms. Allocated memory was 65.0MB in the beginning and 302.0MB in the end (delta: 237.0MB). Free memory was 37.9MB in the beginning and 202.9MB in the end (delta: -165.0MB). Peak memory consumption was 145.9MB. Max. memory is 16.1GB. [2021-12-15 13:30:59,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 232.67ms. Allocated memory is still 302.0MB. Free memory was 202.9MB in the beginning and 166.2MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 13:30:59,554 INFO L158 Benchmark]: Boogie Preprocessor took 221.50ms. Allocated memory is still 302.0MB. Free memory was 166.2MB in the beginning and 125.3MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 13:30:59,554 INFO L158 Benchmark]: RCFGBuilder took 971.05ms. Allocated memory is still 302.0MB. Free memory was 125.3MB in the beginning and 154.9MB in the end (delta: -29.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2021-12-15 13:30:59,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3900.39ms. Allocated memory was 65.0MB in the beginning and 302.0MB in the end (delta: 237.0MB). Free memory was 37.9MB in the beginning and 202.9MB in the end (delta: -165.0MB). Peak memory consumption was 145.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 232.67ms. Allocated memory is still 302.0MB. Free memory was 202.9MB in the beginning and 166.2MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 221.50ms. Allocated memory is still 302.0MB. Free memory was 166.2MB in the beginning and 125.3MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 971.05ms. Allocated memory is still 302.0MB. Free memory was 125.3MB in the beginning and 154.9MB in the end (delta: -29.6MB). Peak memory consumption was 33.3MB. 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 13:30:59,590 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