./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:34,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:34,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:34,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:34,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:34,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:34,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:34,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:34,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:34,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:34,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:34,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:34,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:34,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:34,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:34,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:34,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:34,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:34,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:34,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:34,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:34,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:34,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:34,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:34,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:34,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:34,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:34,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:34,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:34,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:34,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:34,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:34,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:34,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:34,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:34,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:34,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:34,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:34,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:34,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:34,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:34,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:15:34,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:34,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:34,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:34,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:34,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:34,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:34,250 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:34,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:34,250 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:34,251 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:15:34,252 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:34,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:34,253 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:15:34,253 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:15:34,253 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:34,254 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:15:34,254 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:15:34,254 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:15:34,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:34,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:34,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:34,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:34,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:34,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:34,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:34,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:34,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:34,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:34,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:34,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:34,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:34,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:34,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:34,263 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:15:34,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:15:34,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:34,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:34,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:34,264 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 [2021-11-23 17:15:34,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:34,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:34,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:34,708 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:34,709 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:34,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 17:15:34,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/074dbc218/c376fd7ecc8b4334909b9cf3daf9fcf2/FLAGc8b89aee7 [2021-11-23 17:15:36,108 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:36,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 17:15:36,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/074dbc218/c376fd7ecc8b4334909b9cf3daf9fcf2/FLAGc8b89aee7 [2021-11-23 17:15:36,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/074dbc218/c376fd7ecc8b4334909b9cf3daf9fcf2 [2021-11-23 17:15:36,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:36,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:36,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:36,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:36,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:36,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ab288b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:36, skipping insertion in model container [2021-11-23 17:15:36,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:36" (1/1) ... [2021-11-23 17:15:36,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:36,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:38,881 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 17:15:40,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:40,094 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:40,351 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 17:15:40,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:40,907 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:40,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40 WrapperNode [2021-11-23 17:15:40,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:40,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:40,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:40,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:40,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,350 INFO L137 Inliner]: procedures = 375, calls = 2229, calls flagged for inlining = 193, calls inlined = 191, statements flattened = 6424 [2021-11-23 17:15:41,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:41,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:41,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:41,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:41,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:41,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:41,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:41,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:41,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:40" (1/1) ... [2021-11-23 17:15:41,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:41,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:41,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:41,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2021-11-23 17:15:42,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2021-11-23 17:15:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 17:15:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 17:15:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 17:15:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 17:15:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 17:15:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 17:15:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 17:15:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 17:15:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 17:15:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:15:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:15:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:15:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:15:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 17:15:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 17:15:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 17:15:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 17:15:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 17:15:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 17:15:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-23 17:15:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-23 17:15:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 17:15:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 17:15:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 17:15:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 17:15:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 17:15:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 17:15:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 17:15:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 17:15:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:15:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:15:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:15:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:15:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 17:15:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 17:15:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 17:15:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 17:15:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 17:15:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 17:15:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 17:15:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 17:15:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:15:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:15:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 17:15:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 17:15:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:15:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:15:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 17:15:42,022 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 17:15:42,022 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:15:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:15:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:15:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:15:42,023 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 17:15:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 17:15:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:15:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:15:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 17:15:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 17:15:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:15:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:15:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 17:15:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 17:15:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2021-11-23 17:15:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2021-11-23 17:15:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 17:15:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 17:15:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 17:15:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 17:15:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:15:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:15:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:15:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 17:15:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 17:15:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-23 17:15:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-23 17:15:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:15:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 17:15:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 17:15:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2021-11-23 17:15:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2021-11-23 17:15:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 17:15:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 17:15:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 17:15:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 17:15:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-11-23 17:15:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-11-23 17:15:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:15:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:15:42,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:15:42,035 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-11-23 17:15:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-11-23 17:15:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 17:15:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 17:15:42,036 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:15:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:15:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:15:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:15:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2021-11-23 17:15:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2021-11-23 17:15:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:15:42,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:15:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 17:15:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 17:15:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 17:15:42,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 17:15:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:15:42,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:15:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:15:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:15:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:15:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:15:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 17:15:42,046 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 17:15:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 17:15:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 17:15:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:15:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:15:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 17:15:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 17:15:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:15:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 17:15:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 17:15:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:15:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:15:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 17:15:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 17:15:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 17:15:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 17:15:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 17:15:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 17:15:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2021-11-23 17:15:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2021-11-23 17:15:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:15:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 17:15:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 17:15:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 17:15:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 17:15:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:15:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:15:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:15:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 17:15:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 17:15:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 17:15:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 17:15:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 17:15:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 17:15:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 17:15:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 17:15:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 17:15:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 17:15:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-11-23 17:15:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-11-23 17:15:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-11-23 17:15:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-11-23 17:15:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-11-23 17:15:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-11-23 17:15:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 17:15:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 17:15:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2021-11-23 17:15:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2021-11-23 17:15:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 17:15:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 17:15:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 17:15:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 17:15:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 17:15:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 17:15:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 17:15:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 17:15:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:15:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:15:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 17:15:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 17:15:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-11-23 17:15:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-11-23 17:15:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 17:15:42,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 17:15:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:15:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:15:42,065 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:15:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 17:15:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 17:15:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 17:15:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 17:15:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2021-11-23 17:15:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2021-11-23 17:15:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:15:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:15:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 17:15:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 17:15:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 17:15:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 17:15:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:15:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:15:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:15:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:15:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:15:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 17:15:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 17:15:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:15:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 17:15:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 17:15:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:15:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 17:15:42,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 17:15:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:15:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:15:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 17:15:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 17:15:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 17:15:42,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 17:15:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-11-23 17:15:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-11-23 17:15:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:15:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:15:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:15:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:15:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 17:15:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 17:15:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 17:15:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 17:15:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 17:15:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 17:15:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 17:15:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 17:15:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 17:15:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 17:15:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-11-23 17:15:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-11-23 17:15:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 17:15:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 17:15:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-11-23 17:15:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-11-23 17:15:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 17:15:42,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 17:15:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 17:15:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 17:15:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-23 17:15:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-23 17:15:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 17:15:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 17:15:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2021-11-23 17:15:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2021-11-23 17:15:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-23 17:15:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-23 17:15:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:15:42,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 17:15:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 17:15:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:15:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:15:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:15:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:15:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 17:15:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 17:15:43,273 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:43,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:43,968 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:15:43,974 INFO L158 Benchmark]: Toolchain (without parser) took 7682.76ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 67.5MB in the beginning and 114.6MB in the end (delta: -47.1MB). Peak memory consumption was 121.9MB. Max. memory is 16.1GB. [2021-11-23 17:15:43,975 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:43,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4613.34ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 67.2MB in the beginning and 149.3MB in the end (delta: -82.1MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2021-11-23 17:15:43,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 442.27ms. Allocated memory is still 245.4MB. Free memory was 149.3MB in the beginning and 113.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:43,987 INFO L158 Benchmark]: Boogie Preprocessor took 548.23ms. Allocated memory is still 245.4MB. Free memory was 113.6MB in the beginning and 126.4MB in the end (delta: -12.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:43,988 INFO L158 Benchmark]: RCFGBuilder took 2069.38ms. Allocated memory is still 245.4MB. Free memory was 126.4MB in the beginning and 114.6MB in the end (delta: 11.8MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-11-23 17:15:43,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4613.34ms. Allocated memory was 111.1MB in the beginning and 245.4MB in the end (delta: 134.2MB). Free memory was 67.2MB in the beginning and 149.3MB in the end (delta: -82.1MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 442.27ms. Allocated memory is still 245.4MB. Free memory was 149.3MB in the beginning and 113.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 548.23ms. Allocated memory is still 245.4MB. Free memory was 113.6MB in the beginning and 126.4MB in the end (delta: -12.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2069.38ms. Allocated memory is still 245.4MB. Free memory was 126.4MB in the beginning and 114.6MB in the end (delta: 11.8MB). Peak memory consumption was 46.4MB. 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 17:15:44,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:47,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:47,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:47,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:47,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:47,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:47,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:47,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:47,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:47,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:47,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:47,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:47,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:47,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:47,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:47,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:47,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:47,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:47,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:47,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:47,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:47,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:47,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:47,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:47,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:47,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:47,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:47,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:47,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:47,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:47,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:47,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:47,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:47,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:47,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:47,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:47,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:47,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:47,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:47,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:47,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:47,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:15:47,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:47,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:47,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:47,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:47,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:47,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:47,238 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:47,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:47,238 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:47,239 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:47,239 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:47,239 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:47,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:47,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:47,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:47,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:47,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:47,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:15:47,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:15:47,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:15:47,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:47,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:47,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:47,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:47,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:15:47,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:47,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:47,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:47,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:47,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:47,246 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:15:47,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:15:47,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:47,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:47,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:47,247 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 [2021-11-23 17:15:47,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:47,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:47,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:47,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:47,784 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:47,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 17:15:47,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/6b370934d/c2fad433469d48bfbd667cd69e57f18b/FLAG973e1d26a [2021-11-23 17:15:49,197 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:49,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-11-23 17:15:49,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/6b370934d/c2fad433469d48bfbd667cd69e57f18b/FLAG973e1d26a [2021-11-23 17:15:49,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/data/6b370934d/c2fad433469d48bfbd667cd69e57f18b [2021-11-23 17:15:49,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:49,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:49,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:49,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:49,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:49,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:49" (1/1) ... [2021-11-23 17:15:49,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbff6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:49, skipping insertion in model container [2021-11-23 17:15:49,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:49" (1/1) ... [2021-11-23 17:15:49,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:49,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:51,697 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 17:15:53,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:53,177 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:15:53,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:53,503 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 17:15:53,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:53,846 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:54,151 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_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-11-23 17:15:54,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:54,711 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:54,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54 WrapperNode [2021-11-23 17:15:54,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:54,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:54,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:54,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:54,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:54,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,271 INFO L137 Inliner]: procedures = 391, calls = 2228, calls flagged for inlining = 195, calls inlined = 193, statements flattened = 6280 [2021-11-23 17:15:55,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:55,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:55,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:55,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:55,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:55,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:55,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:55,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:55,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:54" (1/1) ... [2021-11-23 17:15:55,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:55,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:55,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:55,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 17:15:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 17:15:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 17:15:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 17:15:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 17:15:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 17:15:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 17:15:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 17:15:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 17:15:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 17:15:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 17:15:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 17:15:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 17:15:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:15:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:15:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 17:15:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 17:15:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 17:15:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 17:15:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 17:15:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 17:15:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:15:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:15:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 17:15:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 17:15:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2021-11-23 17:15:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2021-11-23 17:15:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 17:15:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 17:15:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 17:15:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 17:15:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2021-11-23 17:15:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2021-11-23 17:15:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 17:15:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 17:15:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 17:15:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 17:15:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:15:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:15:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:15:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:15:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:15:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:15:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:15:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:15:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:15:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 17:15:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 17:15:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:15:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:15:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:15:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:15:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 17:15:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 17:15:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:15:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:15:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 17:15:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 17:15:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 17:15:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 17:15:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 17:15:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 17:15:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-23 17:15:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-23 17:15:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-11-23 17:15:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-11-23 17:15:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-11-23 17:15:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-11-23 17:15:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 17:15:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 17:15:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 17:15:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 17:15:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 17:15:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 17:15:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:15:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:15:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:15:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:15:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 17:15:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 17:15:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:15:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:15:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:15:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:15:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:15:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:15:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:15:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:15:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:15:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:15:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 17:15:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 17:15:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 17:15:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 17:15:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-11-23 17:15:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-11-23 17:15:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 17:15:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 17:15:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 17:15:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 17:15:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 17:15:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 17:15:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 17:15:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 17:15:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 17:15:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 17:15:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2021-11-23 17:15:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2021-11-23 17:15:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:15:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 17:15:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 17:15:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:15:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:15:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 17:15:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 17:15:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2021-11-23 17:15:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2021-11-23 17:15:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:15:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:15:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 17:15:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 17:15:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 17:15:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 17:15:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:15:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:15:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:15:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:15:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:15:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:15:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 17:15:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 17:15:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 17:15:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 17:15:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-23 17:15:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-23 17:15:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:15:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:15:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 17:15:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 17:15:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 17:15:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 17:15:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:15:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:15:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 17:15:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 17:15:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:15:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:15:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 17:15:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 17:15:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:15:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:15:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:15:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:15:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 17:15:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 17:15:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:15:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:15:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 17:15:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 17:15:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 17:15:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 17:15:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:15:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:15:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:15:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-23 17:15:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-23 17:15:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:15:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 17:15:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 17:15:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-11-23 17:15:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-11-23 17:15:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:15:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:15:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:15:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:15:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:15:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-11-23 17:15:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-11-23 17:15:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 17:15:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 17:15:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:15:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:15:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2021-11-23 17:15:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2021-11-23 17:15:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 17:15:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 17:15:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:15:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:15:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:15:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:15:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 17:15:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 17:15:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 17:15:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 17:15:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 17:15:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 17:15:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-23 17:15:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-11-23 17:15:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 17:15:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 17:15:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 17:15:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 17:15:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2021-11-23 17:15:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2021-11-23 17:15:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 17:15:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 17:15:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:15:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:15:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 17:15:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 17:15:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 17:15:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 17:15:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-23 17:15:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-23 17:15:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-11-23 17:15:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-11-23 17:15:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 17:15:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 17:15:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2021-11-23 17:15:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2021-11-23 17:15:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 17:15:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 17:15:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 17:15:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 17:15:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:15:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:15:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 17:15:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 17:15:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-11-23 17:15:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-11-23 17:15:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 17:15:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 17:15:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:15:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 17:15:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 17:15:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:15:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:15:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:15:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2021-11-23 17:15:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2021-11-23 17:15:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:15:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:15:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 17:15:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 17:15:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:15:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:15:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 17:15:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 17:15:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 17:15:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 17:15:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:15:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:15:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:15:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:15:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 17:15:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 17:15:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 17:15:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 17:15:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-11-23 17:15:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-11-23 17:15:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 17:15:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 17:15:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-11-23 17:15:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-11-23 17:15:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-23 17:15:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-23 17:15:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:15:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:15:57,127 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:57,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:01,946 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:16:01,951 INFO L158 Benchmark]: Toolchain (without parser) took 12582.28ms. Allocated memory was 54.5MB in the beginning and 377.5MB in the end (delta: 323.0MB). Free memory was 28.5MB in the beginning and 187.3MB in the end (delta: -158.7MB). Peak memory consumption was 166.3MB. Max. memory is 16.1GB. [2021-11-23 17:16:01,952 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:01,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5341.47ms. Allocated memory was 54.5MB in the beginning and 188.7MB in the end (delta: 134.2MB). Free memory was 28.3MB in the beginning and 87.8MB in the end (delta: -59.5MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. [2021-11-23 17:16:01,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 558.84ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 87.8MB in the beginning and 278.7MB in the end (delta: -190.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2021-11-23 17:16:01,954 INFO L158 Benchmark]: Boogie Preprocessor took 357.31ms. Allocated memory is still 377.5MB. Free memory was 278.7MB in the beginning and 237.8MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 17:16:01,956 INFO L158 Benchmark]: RCFGBuilder took 6317.69ms. Allocated memory is still 377.5MB. Free memory was 237.8MB in the beginning and 187.3MB in the end (delta: 50.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-23 17:16:01,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5341.47ms. Allocated memory was 54.5MB in the beginning and 188.7MB in the end (delta: 134.2MB). Free memory was 28.3MB in the beginning and 87.8MB in the end (delta: -59.5MB). Peak memory consumption was 113.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 558.84ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 87.8MB in the beginning and 278.7MB in the end (delta: -190.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 357.31ms. Allocated memory is still 377.5MB. Free memory was 278.7MB in the beginning and 237.8MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6317.69ms. Allocated memory is still 377.5MB. Free memory was 237.8MB in the beginning and 187.3MB in the end (delta: 50.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:16:02,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d88f8a-dce6-4460-ab6e-00cd4c08b9bb/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable