./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.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_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/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_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/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_df190434-7109-4531-b266-bbfc0caf62d7/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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:41,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:41,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:41,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:41,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:41,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:41,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:41,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:41,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:41,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:41,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:41,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:41,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:41,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:41,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:41,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:41,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:41,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:41,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:41,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:41,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:41,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:41,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:41,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:41,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:41,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:41,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:41,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:41,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:41,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:41,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:41,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:41,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:41,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:41,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:41,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:41,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:41,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:41,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:41,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:41,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:41,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:02:41,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:41,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:41,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:41,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:41,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:41,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:41,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:41,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:41,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:41,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:41,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:41,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:41,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:41,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:41,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:41,957 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:41,957 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:41,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:41,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:41,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:41,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:41,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:41,958 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:41,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:41,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:41,959 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_df190434-7109-4531-b266-bbfc0caf62d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-23 15:02:42,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:42,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:42,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:42,316 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:42,317 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:42,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 15:02:42,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/750fd143b/7934213892484c03bf18cc096d8a75b6/FLAG5e2623493 [2021-11-23 15:02:43,330 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:43,332 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 15:02:43,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/750fd143b/7934213892484c03bf18cc096d8a75b6/FLAG5e2623493 [2021-11-23 15:02:43,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/750fd143b/7934213892484c03bf18cc096d8a75b6 [2021-11-23 15:02:43,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:43,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:43,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:43,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:43,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:43,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:43" (1/1) ... [2021-11-23 15:02:43,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3560f837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:43, skipping insertion in model container [2021-11-23 15:02:43,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:43" (1/1) ... [2021-11-23 15:02:43,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:43,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:46,080 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_df190434-7109-4531-b266-bbfc0caf62d7/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 15:02:46,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:46,205 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:46,630 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_df190434-7109-4531-b266-bbfc0caf62d7/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 15:02:46,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:46,971 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:46,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46 WrapperNode [2021-11-23 15:02:46,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:46,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:46,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:46,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:46,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,288 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4213 [2021-11-23 15:02:47,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:47,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:47,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:47,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:47,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:47,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:47,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:47,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:47,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:47,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:47,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:47,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 15:02:47,658 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 15:02:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:02:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:02:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-23 15:02:47,660 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-23 15:02:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 15:02:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 15:02:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:02:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 15:02:47,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 15:02:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:02:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-23 15:02:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-23 15:02:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:02:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 15:02:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 15:02:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 15:02:47,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 15:02:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 15:02:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 15:02:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 15:02:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 15:02:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 15:02:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 15:02:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 15:02:47,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 15:02:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:02:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:02:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:02:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:02:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:02:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:02:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 15:02:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 15:02:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:02:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:02:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 15:02:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 15:02:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 15:02:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 15:02:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:02:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:02:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 15:02:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 15:02:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 15:02:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 15:02:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 15:02:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 15:02:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 15:02:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 15:02:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:02:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:02:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 15:02:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 15:02:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:02:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:02:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 15:02:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 15:02:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 15:02:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 15:02:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 15:02:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 15:02:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-23 15:02:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-23 15:02:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:02:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:02:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 15:02:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 15:02:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:02:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:02:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:02:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 15:02:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 15:02:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 15:02:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 15:02:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:02:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 15:02:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 15:02:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:02:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:02:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 15:02:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 15:02:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:02:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:02:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:02:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:02:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 15:02:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 15:02:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-23 15:02:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-23 15:02:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:02:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:02:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:02:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:02:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:02:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:02:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 15:02:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 15:02:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 15:02:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 15:02:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:02:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:02:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:02:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:02:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:02:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:02:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:02:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 15:02:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 15:02:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:02:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:02:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 15:02:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 15:02:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:02:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 15:02:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 15:02:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:02:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:02:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-23 15:02:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-23 15:02:47,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:02:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:02:47,686 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:02:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 15:02:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 15:02:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 15:02:47,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 15:02:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:02:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:02:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 15:02:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 15:02:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 15:02:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 15:02:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 15:02:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 15:02:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:02:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:02:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 15:02:47,696 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 15:02:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 15:02:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 15:02:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:02:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:02:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:02:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:02:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:02:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 15:02:47,697 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 15:02:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 15:02:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 15:02:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 15:02:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 15:02:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:02:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 15:02:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 15:02:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 15:02:47,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 15:02:47,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:02:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:02:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:02:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:02:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 15:02:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 15:02:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:02:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:02:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 15:02:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 15:02:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 15:02:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 15:02:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:02:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:02:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:02:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:02:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 15:02:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 15:02:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:02:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:02:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 15:02:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 15:02:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:02:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:02:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-23 15:02:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-23 15:02:47,701 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:02:47,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:02:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 15:02:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 15:02:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:02:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:02:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-23 15:02:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-23 15:02:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 15:02:47,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 15:02:47,702 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-23 15:02:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-23 15:02:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 15:02:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 15:02:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:02:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:02:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:47,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:47,703 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:02:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:02:47,704 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:02:47,704 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:02:48,463 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:48,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:49,203 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 15:02:49,204 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 15:02:49,296 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:02:49,300 INFO L158 Benchmark]: Toolchain (without parser) took 5567.43ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 54.4MB in the beginning and 107.9MB in the end (delta: -53.5MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:49,301 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:49,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3237.54ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 54.1MB in the beginning and 122.0MB in the end (delta: -67.8MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:49,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 317.98ms. Allocated memory is still 188.7MB. Free memory was 122.0MB in the beginning and 97.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:49,303 INFO L158 Benchmark]: Boogie Preprocessor took 270.01ms. Allocated memory is still 188.7MB. Free memory was 97.9MB in the beginning and 73.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:49,304 INFO L158 Benchmark]: RCFGBuilder took 1736.27ms. Allocated memory is still 188.7MB. Free memory was 72.7MB in the beginning and 107.9MB in the end (delta: -35.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:49,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3237.54ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 54.1MB in the beginning and 122.0MB in the end (delta: -67.8MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 317.98ms. Allocated memory is still 188.7MB. Free memory was 122.0MB in the beginning and 97.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 270.01ms. Allocated memory is still 188.7MB. Free memory was 97.9MB in the beginning and 73.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1736.27ms. Allocated memory is still 188.7MB. Free memory was 72.7MB in the beginning and 107.9MB in the end (delta: -35.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:02:49,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/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_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/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_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/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_df190434-7109-4531-b266-bbfc0caf62d7/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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:51,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:51,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:51,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:51,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:51,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:51,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:51,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:51,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:51,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:51,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:51,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:51,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:51,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:51,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:51,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:51,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:51,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:51,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:51,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:51,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:51,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:51,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:51,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:51,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:51,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:51,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:51,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:51,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:51,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:51,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:51,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:51,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:51,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:51,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:51,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:51,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:51,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:51,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:51,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:51,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:51,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:02:51,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:51,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:51,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:51,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:51,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:51,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:51,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:51,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:51,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:51,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:51,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:51,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:51,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:51,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:51,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:51,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:51,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:51,949 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:51,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:51,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:51,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:51,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:51,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:51,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:51,950 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:51,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:51,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:51,951 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:51,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:51,951 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_df190434-7109-4531-b266-bbfc0caf62d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-23 15:02:52,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:52,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:52,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:52,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:52,343 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:52,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 15:02:52,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/199f44b76/4f3b82cb41a44ef9ac070ed1c071be72/FLAG26e3b13d9 [2021-11-23 15:02:53,462 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:53,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 15:02:53,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/199f44b76/4f3b82cb41a44ef9ac070ed1c071be72/FLAG26e3b13d9 [2021-11-23 15:02:53,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/data/199f44b76/4f3b82cb41a44ef9ac070ed1c071be72 [2021-11-23 15:02:53,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:53,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:53,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:53,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:53,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:53,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e36d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:53, skipping insertion in model container [2021-11-23 15:02:53,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:53" (1/1) ... [2021-11-23 15:02:53,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:54,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:56,358 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_df190434-7109-4531-b266-bbfc0caf62d7/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 15:02:56,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:56,457 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:02:56,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:56,964 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_df190434-7109-4531-b266-bbfc0caf62d7/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 15:02:56,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:57,004 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:57,536 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_df190434-7109-4531-b266-bbfc0caf62d7/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 15:02:57,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:57,850 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:57,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57 WrapperNode [2021-11-23 15:02:57,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:57,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:57,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:57,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:57,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,158 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2021-11-23 15:02:58,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:58,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:58,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:58,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:58,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:58,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:58,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:58,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:58,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:58,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:58,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:58,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 15:02:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 15:02:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:02:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:02:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-23 15:02:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-23 15:02:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 15:02:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 15:02:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:02:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 15:02:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 15:02:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:02:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:02:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-23 15:02:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-23 15:02:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:02:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:02:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 15:02:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 15:02:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 15:02:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 15:02:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 15:02:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 15:02:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 15:02:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 15:02:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 15:02:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 15:02:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 15:02:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 15:02:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:02:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:02:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:02:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:02:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:02:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:02:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 15:02:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 15:02:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:02:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:02:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 15:02:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 15:02:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 15:02:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 15:02:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 15:02:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 15:02:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:02:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:02:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 15:02:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 15:02:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 15:02:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 15:02:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 15:02:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 15:02:58,552 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 15:02:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 15:02:58,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:02:58,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:02:58,553 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 15:02:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 15:02:58,554 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:02:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:02:58,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 15:02:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 15:02:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 15:02:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 15:02:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 15:02:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 15:02:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-23 15:02:58,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-23 15:02:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:02:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:02:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 15:02:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 15:02:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:02:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 15:02:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 15:02:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 15:02:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 15:02:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:02:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:02:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:02:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 15:02:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 15:02:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:02:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:02:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 15:02:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 15:02:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:02:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:02:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:02:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:02:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 15:02:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 15:02:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:02:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:02:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:02:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:02:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:02:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 15:02:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 15:02:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-23 15:02:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-23 15:02:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:02:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:02:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:02:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:02:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:02:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:02:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 15:02:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 15:02:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 15:02:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 15:02:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:02:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:02:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:02:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:02:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:02:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:02:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 15:02:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 15:02:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:02:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:02:58,584 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 15:02:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 15:02:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 15:02:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 15:02:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 15:02:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 15:02:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-23 15:02:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-23 15:02:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:02:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:02:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 15:02:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 15:02:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 15:02:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 15:02:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:02:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:02:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 15:02:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 15:02:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 15:02:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 15:02:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 15:02:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 15:02:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:02:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:02:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 15:02:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 15:02:58,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 15:02:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 15:02:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 15:02:58,595 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 15:02:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 15:02:58,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 15:02:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:02:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 15:02:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 15:02:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:02:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:02:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:02:58,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:02:58,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:02:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 15:02:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 15:02:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 15:02:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 15:02:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:02:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 15:02:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 15:02:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 15:02:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 15:02:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:02:58,598 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:02:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:02:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:02:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:02:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:02:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:02:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:02:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:02:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 15:02:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 15:02:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 15:02:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 15:02:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:02:58,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:02:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:02:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:02:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 15:02:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 15:02:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:02:58,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:02:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 15:02:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 15:02:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:02:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:02:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-23 15:02:58,604 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-23 15:02:58,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:02:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:02:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 15:02:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 15:02:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 15:02:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 15:02:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:02:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 15:02:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 15:02:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:02:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:02:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:02:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:02:58,607 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:02:58,607 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:02:59,286 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:59,294 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:04,745 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 15:03:04,746 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 15:03:04,830 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:03:04,837 INFO L158 Benchmark]: Toolchain (without parser) took 10970.82ms. Allocated memory was 67.1MB in the beginning and 297.8MB in the end (delta: 230.7MB). Free memory was 33.8MB in the beginning and 194.8MB in the end (delta: -161.1MB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:04,839 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 48.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:04,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3983.73ms. Allocated memory was 67.1MB in the beginning and 297.8MB in the end (delta: 230.7MB). Free memory was 33.5MB in the beginning and 206.4MB in the end (delta: -172.9MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:04,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 307.00ms. Allocated memory is still 297.8MB. Free memory was 206.4MB in the beginning and 184.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:04,842 INFO L158 Benchmark]: Boogie Preprocessor took 283.08ms. Allocated memory is still 297.8MB. Free memory was 184.4MB in the beginning and 158.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:04,843 INFO L158 Benchmark]: RCFGBuilder took 6390.32ms. Allocated memory is still 297.8MB. Free memory was 158.2MB in the beginning and 194.8MB in the end (delta: -36.6MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:04,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 48.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3983.73ms. Allocated memory was 67.1MB in the beginning and 297.8MB in the end (delta: 230.7MB). Free memory was 33.5MB in the beginning and 206.4MB in the end (delta: -172.9MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 307.00ms. Allocated memory is still 297.8MB. Free memory was 206.4MB in the beginning and 184.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 283.08ms. Allocated memory is still 297.8MB. Free memory was 184.4MB in the beginning and 158.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6390.32ms. Allocated memory is still 297.8MB. Free memory was 158.2MB in the beginning and 194.8MB in the end (delta: -36.6MB). Peak memory consumption was 79.8MB. 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 15:03:04,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df190434-7109-4531-b266-bbfc0caf62d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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