./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/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_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:32:52,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:52,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:52,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:52,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:52,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:52,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:52,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:52,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:52,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:52,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:52,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:52,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:52,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:52,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:52,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:52,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:52,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:52,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:52,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:52,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:52,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:52,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:52,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:52,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:52,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:52,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:52,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:52,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:52,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:52,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:52,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:52,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:52,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:52,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:52,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:52,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:52,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:52,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:52,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:52,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:52,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:32:52,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:52,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:52,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:52,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:52,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:52,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:52,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:52,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:52,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:52,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:52,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:52,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:52,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:52,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:52,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:52,735 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:52,735 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:52,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:52,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:52,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:52,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:52,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:52,736 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:52,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:52,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:52,737 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_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2022-10-17 16:32:53,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:53,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:53,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:53,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:53,089 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:53,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2022-10-17 16:32:53,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/data/f903f075c/dc3c7544c80446768a4d719bd3152a64/FLAG8c5266ce9 [2022-10-17 16:32:54,191 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:54,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2022-10-17 16:32:54,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/data/f903f075c/dc3c7544c80446768a4d719bd3152a64/FLAG8c5266ce9 [2022-10-17 16:32:54,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/data/f903f075c/dc3c7544c80446768a4d719bd3152a64 [2022-10-17 16:32:54,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:54,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:54,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:54,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:54,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:54,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:54" (1/1) ... [2022-10-17 16:32:54,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa1158b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:54, skipping insertion in model container [2022-10-17 16:32:54,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:54" (1/1) ... [2022-10-17 16:32:54,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:54,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:59,408 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2022-10-17 16:32:59,412 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2022-10-17 16:32:59,412 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2022-10-17 16:32:59,413 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2022-10-17 16:32:59,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:59,519 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:00,242 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2022-10-17 16:33:00,244 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2022-10-17 16:33:00,245 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2022-10-17 16:33:00,247 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_9cc71067-d82f-46ef-8348-9535388f32d7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2022-10-17 16:33:00,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:00,665 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:00,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00 WrapperNode [2022-10-17 16:33:00,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:00,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:00,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:00,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:00,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,214 INFO L138 Inliner]: procedures = 614, calls = 2616, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7332 [2022-10-17 16:33:01,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:01,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:01,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:01,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:01,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:01,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:01,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:01,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:01,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:01,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:01,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:01,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:01,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc71067-d82f-46ef-8348-9535388f32d7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2022-10-17 16:33:01,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2022-10-17 16:33:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 16:33:01,807 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 16:33:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:33:01,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:33:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 16:33:01,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-17 16:33:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2022-10-17 16:33:01,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2022-10-17 16:33:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2022-10-17 16:33:01,809 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2022-10-17 16:33:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2022-10-17 16:33:01,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2022-10-17 16:33:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-17 16:33:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-10-17 16:33:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 16:33:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 16:33:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2022-10-17 16:33:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2022-10-17 16:33:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-17 16:33:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-17 16:33:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 16:33:01,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 16:33:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 16:33:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 16:33:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2022-10-17 16:33:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2022-10-17 16:33:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:33:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:33:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-10-17 16:33:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-10-17 16:33:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 16:33:01,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 16:33:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2022-10-17 16:33:01,814 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2022-10-17 16:33:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:33:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 16:33:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 16:33:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2022-10-17 16:33:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2022-10-17 16:33:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:33:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2022-10-17 16:33:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2022-10-17 16:33:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 16:33:01,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 16:33:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2022-10-17 16:33:01,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2022-10-17 16:33:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:33:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:33:01,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:33:01,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2022-10-17 16:33:01,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2022-10-17 16:33:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2022-10-17 16:33:01,819 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2022-10-17 16:33:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 16:33:01,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 16:33:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-10-17 16:33:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-10-17 16:33:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 16:33:01,821 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 16:33:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-10-17 16:33:01,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-10-17 16:33:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 16:33:01,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-10-17 16:33:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:33:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 16:33:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 16:33:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 16:33:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 16:33:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-10-17 16:33:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-10-17 16:33:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 16:33:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 16:33:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:33:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:33:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-10-17 16:33:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-10-17 16:33:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 16:33:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 16:33:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 16:33:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 16:33:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2022-10-17 16:33:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2022-10-17 16:33:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2022-10-17 16:33:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2022-10-17 16:33:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 16:33:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 16:33:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 16:33:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 16:33:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2022-10-17 16:33:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2022-10-17 16:33:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2022-10-17 16:33:01,831 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2022-10-17 16:33:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 16:33:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 16:33:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-10-17 16:33:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-10-17 16:33:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-10-17 16:33:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-10-17 16:33:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-17 16:33:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-17 16:33:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2022-10-17 16:33:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2022-10-17 16:33:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-10-17 16:33:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-10-17 16:33:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:33:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2022-10-17 16:33:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2022-10-17 16:33:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:33:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:33:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:33:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 16:33:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-17 16:33:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 16:33:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 16:33:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-17 16:33:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 16:33:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 16:33:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2022-10-17 16:33:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2022-10-17 16:33:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-17 16:33:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-17 16:33:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-10-17 16:33:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-10-17 16:33:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:33:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:33:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2022-10-17 16:33:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2022-10-17 16:33:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 16:33:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 16:33:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2022-10-17 16:33:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2022-10-17 16:33:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:33:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:33:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-10-17 16:33:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-10-17 16:33:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2022-10-17 16:33:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2022-10-17 16:33:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:33:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2022-10-17 16:33:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2022-10-17 16:33:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:33:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 16:33:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 16:33:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2022-10-17 16:33:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2022-10-17 16:33:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 16:33:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 16:33:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2022-10-17 16:33:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2022-10-17 16:33:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 16:33:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 16:33:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2022-10-17 16:33:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2022-10-17 16:33:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2022-10-17 16:33:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2022-10-17 16:33:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 16:33:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 16:33:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2022-10-17 16:33:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2022-10-17 16:33:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2022-10-17 16:33:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2022-10-17 16:33:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 16:33:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 16:33:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 16:33:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 16:33:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 16:33:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 16:33:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-17 16:33:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-10-17 16:33:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2022-10-17 16:33:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2022-10-17 16:33:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:33:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:33:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2022-10-17 16:33:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2022-10-17 16:33:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:33:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2022-10-17 16:33:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2022-10-17 16:33:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2022-10-17 16:33:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2022-10-17 16:33:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2022-10-17 16:33:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2022-10-17 16:33:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:33:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:33:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-10-17 16:33:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-10-17 16:33:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-10-17 16:33:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-10-17 16:33:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2022-10-17 16:33:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2022-10-17 16:33:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 16:33:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 16:33:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-10-17 16:33:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-10-17 16:33:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 16:33:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 16:33:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-10-17 16:33:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-10-17 16:33:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 16:33:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 16:33:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 16:33:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 16:33:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-10-17 16:33:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-10-17 16:33:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 16:33:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 16:33:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 16:33:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 16:33:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2022-10-17 16:33:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2022-10-17 16:33:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2022-10-17 16:33:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2022-10-17 16:33:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2022-10-17 16:33:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2022-10-17 16:33:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 16:33:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 16:33:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-10-17 16:33:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-10-17 16:33:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2022-10-17 16:33:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2022-10-17 16:33:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 16:33:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 16:33:03,157 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:03,162 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:03,653 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:33:09,299 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 16:33:09,416 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:13,043 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:13,043 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-10-17 16:33:13,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:13 BoogieIcfgContainer [2022-10-17 16:33:13,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:13,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:13,055 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:13,066 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:13,067 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:13" (1/1) ... [2022-10-17 16:33:13,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1533 states and 2245 transitions. [2022-10-17 16:33:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2245 transitions. [2022-10-17 16:33:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-10-17 16:33:13,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2022-10-17 16:33:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1544 states and 2272 transitions. [2022-10-17 16:33:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2272 transitions. [2022-10-17 16:33:15,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-10-17 16:33:15,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:15,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2022-10-17 16:33:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1555 states and 2293 transitions. [2022-10-17 16:33:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2293 transitions. [2022-10-17 16:33:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-10-17 16:33:15,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2923 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2022-10-17 16:33:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1561 states and 2313 transitions. [2022-10-17 16:33:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2313 transitions. [2022-10-17 16:33:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-17 16:33:16,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2980 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2976 trivial. 0 not checked. [2022-10-17 16:33:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 1566 states and 2332 transitions. [2022-10-17 16:33:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2332 transitions. [2022-10-17 16:33:17,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-10-17 16:33:17,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:17,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2022-10-17 16:33:18,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1574 states and 2358 transitions. [2022-10-17 16:33:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2358 transitions. [2022-10-17 16:33:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-17 16:33:18,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2923 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2022-10-17 16:33:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 1590 states and 2401 transitions. [2022-10-17 16:33:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2401 transitions. [2022-10-17 16:33:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-17 16:33:20,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:20,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:21,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked.