./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:23,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:23,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:23,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:23,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:23,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:23,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:23,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:23,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:23,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:23,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:23,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:23,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:23,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:23,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:23,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:23,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:23,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:23,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:23,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:23,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:23,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:23,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:23,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:23,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:23,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:23,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:23,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:23,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:23,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:23,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:23,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:23,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:23,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:23,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:23,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:23,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:23,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:23,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:23,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:23,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:23,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:44:23,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:23,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:23,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:23,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:23,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:23,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:23,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:23,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:44:23,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:23,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:23,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:23,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:23,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:23,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:23,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:23,300 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:23,300 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:23,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:23,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:23,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:23,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:23,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:23,302 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:44:23,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:44:23,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:23,302 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-11-23 15:44:23,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:23,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:23,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:23,624 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:23,625 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:23,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-23 15:44:23,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/10c5966bd/62403b64402c4bf9ae68fbf2094768d2/FLAGc88d4b32a [2021-11-23 15:44:24,778 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:24,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-23 15:44:24,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/10c5966bd/62403b64402c4bf9ae68fbf2094768d2/FLAGc88d4b32a [2021-11-23 15:44:25,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/10c5966bd/62403b64402c4bf9ae68fbf2094768d2 [2021-11-23 15:44:25,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:25,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:25,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:25,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:25,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:25,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:25" (1/1) ... [2021-11-23 15:44:25,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a606f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:25, skipping insertion in model container [2021-11-23 15:44:25,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:25" (1/1) ... [2021-11-23 15:44:25,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:25,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:29,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-11-23 15:44:29,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-11-23 15:44:29,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-11-23 15:44:29,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-11-23 15:44:29,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:29,868 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:30,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-11-23 15:44:30,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-11-23 15:44:30,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-11-23 15:44:30,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-11-23 15:44:30,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:30,822 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:44:30,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30 WrapperNode [2021-11-23 15:44:30,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:30,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:30,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:44:30,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:44:30,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:30,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,238 INFO L137 Inliner]: procedures = 614, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7165 [2021-11-23 15:44:31,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:31,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:44:31,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:44:31,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:44:31,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:44:31,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:44:31,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:44:31,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:44:31,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:30" (1/1) ... [2021-11-23 15:44:31,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:31,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:44:31,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:44:31,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:44:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-11-23 15:44:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-11-23 15:44:31,662 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:44:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:44:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:44:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:44:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 15:44:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 15:44:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-11-23 15:44:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-11-23 15:44:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-11-23 15:44:31,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-11-23 15:44:31,664 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-11-23 15:44:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-11-23 15:44:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 15:44:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 15:44:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 15:44:31,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 15:44:31,665 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-11-23 15:44:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-11-23 15:44:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:44:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:44:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 15:44:31,666 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 15:44:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:44:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:44:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:44:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-11-23 15:44:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-11-23 15:44:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:44:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:44:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-11-23 15:44:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-11-23 15:44:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:44:31,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:44:31,668 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-11-23 15:44:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-11-23 15:44:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:44:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:44:31,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:44:31,669 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-11-23 15:44:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-11-23 15:44:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:44:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-11-23 15:44:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-11-23 15:44:31,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 15:44:31,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 15:44:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-11-23 15:44:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-11-23 15:44:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:44:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:44:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:44:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-23 15:44:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-23 15:44:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-11-23 15:44:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-11-23 15:44:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 15:44:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 15:44:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 15:44:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 15:44:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:44:31,673 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:44:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 15:44:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 15:44:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:44:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:44:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:44:31,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 15:44:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 15:44:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 15:44:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 15:44:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 15:44:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 15:44:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:44:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 15:44:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 15:44:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:44:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:44:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-23 15:44:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-23 15:44:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:44:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:44:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:44:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:44:31,677 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-11-23 15:44:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-11-23 15:44:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-11-23 15:44:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-11-23 15:44:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 15:44:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 15:44:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 15:44:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 15:44:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-11-23 15:44:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-11-23 15:44:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-11-23 15:44:31,679 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-11-23 15:44:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:44:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:44:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-11-23 15:44:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-11-23 15:44:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:44:31,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:44:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-11-23 15:44:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-11-23 15:44:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 15:44:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 15:44:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-11-23 15:44:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-11-23 15:44:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-23 15:44:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-23 15:44:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:44:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-11-23 15:44:31,682 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-11-23 15:44:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:44:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:44:31,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:44:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 15:44:31,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 15:44:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:44:31,684 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:44:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 15:44:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:44:31,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:44:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-11-23 15:44:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-11-23 15:44:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 15:44:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 15:44:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-23 15:44:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-23 15:44:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:44:31,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:44:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-11-23 15:44:31,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-11-23 15:44:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 15:44:31,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 15:44:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-11-23 15:44:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-11-23 15:44:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:44:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:44:31,687 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:44:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-23 15:44:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-23 15:44:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-11-23 15:44:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-11-23 15:44:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:44:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-11-23 15:44:31,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-11-23 15:44:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:44:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:44:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:44:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-11-23 15:44:31,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-11-23 15:44:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 15:44:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 15:44:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-11-23 15:44:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-11-23 15:44:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:44:31,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:44:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-11-23 15:44:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-11-23 15:44:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-11-23 15:44:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-11-23 15:44:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 15:44:31,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 15:44:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-11-23 15:44:31,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-11-23 15:44:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-11-23 15:44:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-11-23 15:44:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 15:44:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 15:44:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:44:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:44:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:44:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:44:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 15:44:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 15:44:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-11-23 15:44:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-11-23 15:44:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:44:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:44:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-11-23 15:44:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-11-23 15:44:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:44:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-11-23 15:44:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-11-23 15:44:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-11-23 15:44:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-11-23 15:44:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-11-23 15:44:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-11-23 15:44:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:44:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:44:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-11-23 15:44:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-11-23 15:44:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-23 15:44:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-23 15:44:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-11-23 15:44:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-11-23 15:44:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:44:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:44:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-23 15:44:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-23 15:44:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 15:44:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 15:44:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-23 15:44:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-23 15:44:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:44:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:44:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 15:44:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 15:44:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 15:44:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 15:44:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:44:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:44:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:44:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:44:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-11-23 15:44:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-11-23 15:44:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-11-23 15:44:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-11-23 15:44:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-11-23 15:44:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-11-23 15:44:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:44:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:44:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 15:44:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 15:44:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-11-23 15:44:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-11-23 15:44:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:44:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 15:44:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 15:44:32,721 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:44:32,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:32,809 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:44:32,814 INFO L158 Benchmark]: Toolchain (without parser) took 7782.61ms. Allocated memory was 102.8MB in the beginning and 274.7MB in the end (delta: 172.0MB). Free memory was 65.6MB in the beginning and 114.1MB in the end (delta: -48.5MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. [2021-11-23 15:44:32,814 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:32,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5791.77ms. Allocated memory was 102.8MB in the beginning and 207.6MB in the end (delta: 104.9MB). Free memory was 65.6MB in the beginning and 123.4MB in the end (delta: -57.8MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2021-11-23 15:44:32,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 414.92ms. Allocated memory is still 207.6MB. Free memory was 123.4MB in the beginning and 84.6MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 15:44:32,817 INFO L158 Benchmark]: Boogie Preprocessor took 341.77ms. Allocated memory was 207.6MB in the beginning and 274.7MB in the end (delta: 67.1MB). Free memory was 84.6MB in the beginning and 164.4MB in the end (delta: -79.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-11-23 15:44:32,818 INFO L158 Benchmark]: RCFGBuilder took 1229.54ms. Allocated memory is still 274.7MB. Free memory was 164.4MB in the beginning and 114.1MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-23 15:44:32,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5791.77ms. Allocated memory was 102.8MB in the beginning and 207.6MB in the end (delta: 104.9MB). Free memory was 65.6MB in the beginning and 123.4MB in the end (delta: -57.8MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 414.92ms. Allocated memory is still 207.6MB. Free memory was 123.4MB in the beginning and 84.6MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 341.77ms. Allocated memory was 207.6MB in the beginning and 274.7MB in the end (delta: 67.1MB). Free memory was 84.6MB in the beginning and 164.4MB in the end (delta: -79.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1229.54ms. Allocated memory is still 274.7MB. Free memory was 164.4MB in the beginning and 114.1MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. 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. [2021-11-23 15:44:32,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:35,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:35,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:35,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:35,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:35,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:35,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:35,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:35,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:35,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:35,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:35,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:35,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:35,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:35,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:35,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:35,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:35,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:35,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:35,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:35,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:35,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:35,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:35,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:35,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:35,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:35,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:35,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:35,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:35,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:35,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:35,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:35,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:35,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:35,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:35,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:35,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:35,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:35,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:35,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:35,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:35,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:44:35,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:35,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:35,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:35,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:35,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:35,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:35,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:35,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:35,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:35,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:35,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:35,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:44:35,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:44:35,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:44:35,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:35,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:35,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:35,497 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:35,497 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:35,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:35,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:35,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:35,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:35,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:35,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:44:35,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:44:35,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:35,500 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:44:35,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:44:35,500 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-11-23 15:44:35,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:35,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:35,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:35,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:35,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:35,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-23 15:44:35,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/d9f72abd0/1e1d02d96f5d40129eeb2afa49bbabcb/FLAGdcf21d838 [2021-11-23 15:44:36,936 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:36,937 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-23 15:44:37,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/d9f72abd0/1e1d02d96f5d40129eeb2afa49bbabcb/FLAGdcf21d838 [2021-11-23 15:44:37,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/data/d9f72abd0/1e1d02d96f5d40129eeb2afa49bbabcb [2021-11-23 15:44:37,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:37,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:37,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:37,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:37,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:37,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26da48f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37, skipping insertion in model container [2021-11-23 15:44:37,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:37,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:42,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-11-23 15:44:42,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-11-23 15:44:42,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-11-23 15:44:42,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-11-23 15:44:42,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:42,338 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:44:42,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:42,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-11-23 15:44:42,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-11-23 15:44:42,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-11-23 15:44:42,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-11-23 15:44:42,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:42,888 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:43,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-11-23 15:44:43,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-11-23 15:44:43,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-11-23 15:44:43,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-11-23 15:44:43,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:43,991 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:44:43,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43 WrapperNode [2021-11-23 15:44:43,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:43,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:43,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:44:43,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:44:44,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,486 INFO L137 Inliner]: procedures = 629, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 6951 [2021-11-23 15:44:44,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:44,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:44:44,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:44:44,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:44:44,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:44:44,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:44:44,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:44:44,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:44:44,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:44,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:44,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:44:44,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:44:44,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:44:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-11-23 15:44:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-11-23 15:44:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:44:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:44:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:44:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:44:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 15:44:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 15:44:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-11-23 15:44:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-11-23 15:44:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-11-23 15:44:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-11-23 15:44:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-11-23 15:44:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-11-23 15:44:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 15:44:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 15:44:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 15:44:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 15:44:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-11-23 15:44:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-11-23 15:44:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:44:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:44:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 15:44:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 15:44:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:44:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:44:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:44:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:44:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:44:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:44:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:44:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-11-23 15:44:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-11-23 15:44:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:44:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:44:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-11-23 15:44:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-11-23 15:44:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:44:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:44:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-11-23 15:44:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-11-23 15:44:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:44:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:44:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-11-23 15:44:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-11-23 15:44:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-11-23 15:44:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-11-23 15:44:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 15:44:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 15:44:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-11-23 15:44:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-11-23 15:44:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:44:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:44:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-23 15:44:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-23 15:44:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-11-23 15:44:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-11-23 15:44:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 15:44:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 15:44:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 15:44:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 15:44:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:44:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:44:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 15:44:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 15:44:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:44:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 15:44:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:44:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 15:44:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 15:44:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 15:44:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 15:44:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 15:44:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 15:44:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:44:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 15:44:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 15:44:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:44:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:44:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:44:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:44:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:44:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-23 15:44:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-23 15:44:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:44:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:44:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:44:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:44:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-11-23 15:44:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-11-23 15:44:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-11-23 15:44:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-11-23 15:44:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 15:44:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 15:44:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 15:44:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 15:44:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-11-23 15:44:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-11-23 15:44:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-11-23 15:44:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-11-23 15:44:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:44:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:44:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-11-23 15:44:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-11-23 15:44:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:44:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:44:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:44:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-11-23 15:44:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-11-23 15:44:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:44:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 15:44:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 15:44:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-11-23 15:44:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-11-23 15:44:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-23 15:44:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-23 15:44:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:44:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:44:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:44:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:44:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-11-23 15:44:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-11-23 15:44:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:44:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:44:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:44:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 15:44:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 15:44:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:44:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:44:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 15:44:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:44:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:44:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-11-23 15:44:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-11-23 15:44:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 15:44:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 15:44:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-23 15:44:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-23 15:44:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:44:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:44:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-11-23 15:44:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-11-23 15:44:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 15:44:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 15:44:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-11-23 15:44:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-11-23 15:44:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:44:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-23 15:44:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-11-23 15:44:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-11-23 15:44:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:44:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:44:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:44:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:44:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:44:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:44:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-11-23 15:44:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-11-23 15:44:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 15:44:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 15:44:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-11-23 15:44:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-11-23 15:44:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:44:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:44:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-11-23 15:44:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-11-23 15:44:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-11-23 15:44:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-11-23 15:44:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 15:44:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 15:44:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-11-23 15:44:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-11-23 15:44:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-11-23 15:44:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-11-23 15:44:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 15:44:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 15:44:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:44:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:44:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:44:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:44:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 15:44:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 15:44:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-11-23 15:44:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-11-23 15:44:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:44:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:44:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-11-23 15:44:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-11-23 15:44:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-11-23 15:44:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-11-23 15:44:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:44:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:44:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-11-23 15:44:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-11-23 15:44:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:44:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-11-23 15:44:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-11-23 15:44:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:44:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:44:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:44:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-11-23 15:44:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-11-23 15:44:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-23 15:44:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-23 15:44:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-11-23 15:44:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-11-23 15:44:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 15:44:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 15:44:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-23 15:44:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-23 15:44:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 15:44:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 15:44:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-23 15:44:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-23 15:44:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:44:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:44:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 15:44:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 15:44:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 15:44:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 15:44:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:44:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:44:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:44:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:44:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-11-23 15:44:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-11-23 15:44:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-11-23 15:44:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-11-23 15:44:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-11-23 15:44:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-11-23 15:44:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 15:44:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 15:44:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 15:44:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 15:44:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-11-23 15:44:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-11-23 15:44:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 15:44:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 15:44:45,991 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:44:45,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:46,087 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:44:46,091 INFO L158 Benchmark]: Toolchain (without parser) took 8842.32ms. Allocated memory was 67.1MB in the beginning and 425.7MB in the end (delta: 358.6MB). Free memory was 40.5MB in the beginning and 269.8MB in the end (delta: -229.3MB). Peak memory consumption was 221.8MB. Max. memory is 16.1GB. [2021-11-23 15:44:46,092 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:46,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6741.96ms. Allocated memory was 67.1MB in the beginning and 425.7MB in the end (delta: 358.6MB). Free memory was 40.3MB in the beginning and 299.8MB in the end (delta: -259.4MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. [2021-11-23 15:44:46,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 492.78ms. Allocated memory is still 425.7MB. Free memory was 299.8MB in the beginning and 264.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:44:46,093 INFO L158 Benchmark]: Boogie Preprocessor took 378.63ms. Allocated memory is still 425.7MB. Free memory was 264.1MB in the beginning and 222.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 15:44:46,094 INFO L158 Benchmark]: RCFGBuilder took 1221.92ms. Allocated memory is still 425.7MB. Free memory was 222.2MB in the beginning and 269.8MB in the end (delta: -47.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2021-11-23 15:44:46,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6741.96ms. Allocated memory was 67.1MB in the beginning and 425.7MB in the end (delta: 358.6MB). Free memory was 40.3MB in the beginning and 299.8MB in the end (delta: -259.4MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 492.78ms. Allocated memory is still 425.7MB. Free memory was 299.8MB in the beginning and 264.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 378.63ms. Allocated memory is still 425.7MB. Free memory was 264.1MB in the beginning and 222.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1221.92ms. Allocated memory is still 425.7MB. Free memory was 222.2MB in the beginning and 269.8MB in the end (delta: -47.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:44:46,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cea5ebf-90c7-4930-ba1d-2dc229c17539/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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