./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:01,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:01,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:01,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:01,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:01,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:01,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:01,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:01,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:01,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:01,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:01,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:01,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:01,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:01,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:01,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:01,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:01,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:01,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:01,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:01,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:01,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:01,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:01,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:01,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:01,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:01,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:01,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:01,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:01,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:01,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:01,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:01,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:01,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:01,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:01,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:01,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:01,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:01,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:01,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:01,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:01,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:04:01,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:01,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:01,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:01,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:01,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:01,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:01,220 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:01,221 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:01,221 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:01,221 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:04:01,222 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:01,222 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:01,222 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:04:01,223 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:04:01,223 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:01,223 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:04:01,223 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:04:01,223 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:04:01,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:01,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:04:01,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:01,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:04:01,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:01,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:04:01,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:04:01,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:01,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:04:01,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:01,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:01,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:01,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:01,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:01,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:04:01,228 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:04:01,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:04:01,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:04:01,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:01,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:01,229 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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-23 17:04:01,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:01,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:01,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:01,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:01,596 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:01,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 17:04:01,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/665d758cb/0481871dbfed4f96b58e328c8ef06451/FLAG11e982424 [2021-11-23 17:04:02,622 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:02,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 17:04:02,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/665d758cb/0481871dbfed4f96b58e328c8ef06451/FLAG11e982424 [2021-11-23 17:04:03,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/665d758cb/0481871dbfed4f96b58e328c8ef06451 [2021-11-23 17:04:03,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:03,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:03,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:03,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:03,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:03,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bb263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:03, skipping insertion in model container [2021-11-23 17:04:03,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:03" (1/1) ... [2021-11-23 17:04:03,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:03,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:05,767 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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 17:04:05,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:05,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:06,273 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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 17:04:06,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:06,600 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:06,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06 WrapperNode [2021-11-23 17:04:06,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:06,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:06,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:06,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:06,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:06,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:06,975 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4213 [2021-11-23 17:04:06,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:06,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:06,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:06,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:06,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:06,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:07,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:07,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:07,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:07,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:07,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:07,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:07,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:07,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:07,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:07,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:06" (1/1) ... [2021-11-23 17:04:07,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:07,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:07,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:07,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 17:04:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 17:04:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 17:04:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 17:04:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-23 17:04:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-23 17:04:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 17:04:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 17:04:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 17:04:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 17:04:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 17:04:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:04:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-23 17:04:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-23 17:04:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:04:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 17:04:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 17:04:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 17:04:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 17:04:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 17:04:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 17:04:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 17:04:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 17:04:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 17:04:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 17:04:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 17:04:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 17:04:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 17:04:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 17:04:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:04:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:04:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:04:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:04:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 17:04:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 17:04:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 17:04:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 17:04:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 17:04:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 17:04:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 17:04:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 17:04:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:04:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:04:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 17:04:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 17:04:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 17:04:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 17:04:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 17:04:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 17:04:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:04:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:04:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:04:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:04:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 17:04:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 17:04:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:04:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:04:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 17:04:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 17:04:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 17:04:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 17:04:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 17:04:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 17:04:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-23 17:04:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-23 17:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:04:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 17:04:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 17:04:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:04:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 17:04:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 17:04:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 17:04:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 17:04:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 17:04:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 17:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 17:04:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 17:04:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:04:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:04:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 17:04:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 17:04:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:04:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:04:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 17:04:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 17:04:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 17:04:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 17:04:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-23 17:04:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-23 17:04:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:04:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:04:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:04:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:04:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:04:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:04:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 17:04:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 17:04:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 17:04:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 17:04:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:04:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 17:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 17:04:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:04:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:04:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 17:04:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 17:04:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 17:04:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 17:04:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 17:04:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 17:04:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:04:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 17:04:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 17:04:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 17:04:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 17:04:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-23 17:04:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-23 17:04:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:04:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:04:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:04:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 17:04:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 17:04:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 17:04:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 17:04:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 17:04:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 17:04:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 17:04:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 17:04:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 17:04:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 17:04:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 17:04:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 17:04:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:04:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:04:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 17:04:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 17:04:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 17:04:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 17:04:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:04:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:04:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:04:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 17:04:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 17:04:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 17:04:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 17:04:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 17:04:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 17:04:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 17:04:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 17:04:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:04:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:04:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:04:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:04:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:04:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 17:04:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 17:04:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:04:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:04:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 17:04:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-23 17:04:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:04:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:04:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 17:04:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 17:04:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:04:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:04:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:04:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:04:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 17:04:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 17:04:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 17:04:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 17:04:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 17:04:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 17:04:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 17:04:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 17:04:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 17:04:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 17:04:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-23 17:04:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-23 17:04:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 17:04:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 17:04:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 17:04:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 17:04:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 17:04:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 17:04:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-23 17:04:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-23 17:04:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 17:04:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 17:04:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-23 17:04:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-23 17:04:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:04:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 17:04:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 17:04:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:04:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:04:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 17:04:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 17:04:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:04:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:04:08,185 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:08,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:04:08,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 17:04:08,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 17:04:08,848 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 17:04:08,853 INFO L158 Benchmark]: Toolchain (without parser) took 5728.98ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 79.8MB in the beginning and 106.9MB in the end (delta: -27.1MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2021-11-23 17:04:08,854 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:04:08,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3475.49ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 79.5MB in the beginning and 166.3MB in the end (delta: -86.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:08,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 373.98ms. Allocated memory is still 232.8MB. Free memory was 166.3MB in the beginning and 142.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 17:04:08,857 INFO L158 Benchmark]: Boogie Preprocessor took 278.10ms. Allocated memory is still 232.8MB. Free memory was 142.2MB in the beginning and 118.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 17:04:08,858 INFO L158 Benchmark]: RCFGBuilder took 1594.58ms. Allocated memory is still 232.8MB. Free memory was 118.1MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 17:04:08,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3475.49ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 79.5MB in the beginning and 166.3MB in the end (delta: -86.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 373.98ms. Allocated memory is still 232.8MB. Free memory was 166.3MB in the beginning and 142.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 278.10ms. Allocated memory is still 232.8MB. Free memory was 142.2MB in the beginning and 118.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1594.58ms. Allocated memory is still 232.8MB. Free memory was 118.1MB in the beginning and 106.9MB in the end (delta: 11.2MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:04:08,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:04:11,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:04:11,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:04:11,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:04:11,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:04:11,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:04:11,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:04:11,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:04:11,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:04:11,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:04:11,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:04:11,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:04:11,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:04:11,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:04:11,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:04:11,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:04:11,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:04:11,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:04:11,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:04:11,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:04:11,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:04:11,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:04:11,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:04:11,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:04:11,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:04:11,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:04:11,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:04:11,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:04:11,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:04:11,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:04:11,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:04:11,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:04:11,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:04:11,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:04:11,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:04:11,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:04:11,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:04:11,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:04:11,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:04:11,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:04:11,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:04:11,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:04:11,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:04:11,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:04:11,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:04:11,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:04:11,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:04:11,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:04:11,850 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:04:11,850 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:04:11,851 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:04:11,851 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:04:11,852 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:04:11,853 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:04:11,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:04:11,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:04:11,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:04:11,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:04:11,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:04:11,856 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:04:11,857 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:04:11,857 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:04:11,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:04:11,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:04:11,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:04:11,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:04:11,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:04:11,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:04:11,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:11,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:04:11,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:04:11,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:04:11,861 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:04:11,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:04:11,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:04:11,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:04:11,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:04:11,863 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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-23 17:04:12,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:04:12,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:04:12,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:04:12,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:04:12,409 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:04:12,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 17:04:12,485 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/65e512b94/ca70ab231f3e408ca28cc6d0679b8d3f/FLAG01469605d [2021-11-23 17:04:13,489 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:04:13,490 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-23 17:04:13,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/65e512b94/ca70ab231f3e408ca28cc6d0679b8d3f/FLAG01469605d [2021-11-23 17:04:13,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/data/65e512b94/ca70ab231f3e408ca28cc6d0679b8d3f [2021-11-23 17:04:13,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:04:13,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:04:13,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:13,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:04:13,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:04:13,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ff72fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:13, skipping insertion in model container [2021-11-23 17:04:13,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:04:13" (1/1) ... [2021-11-23 17:04:13,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:04:14,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:16,740 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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 17:04:16,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:16,869 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:04:16,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:04:17,390 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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 17:04:17,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:17,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:04:17,868 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_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-23 17:04:17,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:04:18,337 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:04:18,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18 WrapperNode [2021-11-23 17:04:18,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:04:18,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:18,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:04:18,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:04:18,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:18,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:18,674 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2021-11-23 17:04:18,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:04:18,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:04:18,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:04:18,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:04:18,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:18,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:18,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:18,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:18,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:18,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:19,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:19,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:04:19,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:04:19,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:04:19,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:04:19,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:04:18" (1/1) ... [2021-11-23 17:04:19,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:04:19,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:04:19,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:04:19,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:04:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-23 17:04:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-23 17:04:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-23 17:04:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-23 17:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-23 17:04:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-23 17:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 17:04:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-23 17:04:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-23 17:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-23 17:04:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-23 17:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:04:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 17:04:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 17:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 17:04:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 17:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-23 17:04:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-23 17:04:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-23 17:04:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-23 17:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-23 17:04:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-23 17:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 17:04:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 17:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 17:04:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 17:04:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:04:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:04:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-23 17:04:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-23 17:04:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 17:04:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 17:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 17:04:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-23 17:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-23 17:04:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-23 17:04:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-23 17:04:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-23 17:04:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:04:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:04:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-23 17:04:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-23 17:04:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-23 17:04:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-23 17:04:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 17:04:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 17:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:04:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:04:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:04:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-23 17:04:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-23 17:04:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:04:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:04:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-23 17:04:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-23 17:04:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-23 17:04:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-23 17:04:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-23 17:04:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-23 17:04:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-23 17:04:19,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-23 17:04:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:04:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:04:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:04:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-23 17:04:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-23 17:04:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:04:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-23 17:04:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-23 17:04:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 17:04:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 17:04:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:04:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:04:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:04:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 17:04:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 17:04:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:04:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:04:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:04:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-23 17:04:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-23 17:04:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:04:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:04:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:04:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:04:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 17:04:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 17:04:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:04:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:04:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:04:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 17:04:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 17:04:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-23 17:04:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-23 17:04:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-23 17:04:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-23 17:04:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:04:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:04:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:04:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:04:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:04:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:04:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-23 17:04:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-23 17:04:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-23 17:04:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-23 17:04:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:04:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:04:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 17:04:19,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 17:04:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 17:04:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 17:04:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-23 17:04:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-23 17:04:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 17:04:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 17:04:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-23 17:04:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-23 17:04:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-23 17:04:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-23 17:04:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 17:04:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 17:04:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-23 17:04:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-23 17:04:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:04:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:04:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-23 17:04:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-23 17:04:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-23 17:04:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-23 17:04:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 17:04:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 17:04:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-23 17:04:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-23 17:04:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-23 17:04:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-23 17:04:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-23 17:04:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-23 17:04:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:04:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:04:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-23 17:04:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-23 17:04:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-23 17:04:19,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-23 17:04:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:04:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:04:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-23 17:04:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-23 17:04:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:04:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-23 17:04:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-23 17:04:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:04:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:04:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:04:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:04:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:04:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-23 17:04:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-23 17:04:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-23 17:04:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-23 17:04:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:04:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:04:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:04:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:04:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:04:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:04:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 17:04:19,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 17:04:19,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:04:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:04:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:04:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:04:19,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:04:19,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:04:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:04:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 17:04:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 17:04:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:04:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:04:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:04:19,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:04:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 17:04:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 17:04:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-23 17:04:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-23 17:04:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 17:04:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 17:04:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-23 17:04:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-23 17:04:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 17:04:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 17:04:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-23 17:04:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-23 17:04:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 17:04:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 17:04:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-23 17:04:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-23 17:04:19,188 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-23 17:04:19,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-23 17:04:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:04:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-23 17:04:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-23 17:04:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:04:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 17:04:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:04:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:04:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 17:04:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 17:04:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:04:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:04:19,944 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:04:19,949 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:04:23,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 17:04:23,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 17:04:23,557 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 17:04:23,562 INFO L158 Benchmark]: Toolchain (without parser) took 9677.88ms. Allocated memory was 56.6MB in the beginning and 268.4MB in the end (delta: 211.8MB). Free memory was 33.1MB in the beginning and 95.4MB in the end (delta: -62.3MB). Peak memory consumption was 149.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:23,562 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:04:23,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4435.76ms. Allocated memory was 56.6MB in the beginning and 268.4MB in the end (delta: 211.8MB). Free memory was 32.9MB in the beginning and 153.5MB in the end (delta: -120.6MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2021-11-23 17:04:23,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 336.49ms. Allocated memory is still 268.4MB. Free memory was 153.5MB in the beginning and 131.5MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 17:04:23,565 INFO L158 Benchmark]: Boogie Preprocessor took 378.55ms. Allocated memory is still 268.4MB. Free memory was 131.5MB in the beginning and 175.1MB in the end (delta: -43.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-23 17:04:23,571 INFO L158 Benchmark]: RCFGBuilder took 4503.89ms. Allocated memory is still 268.4MB. Free memory was 175.1MB in the beginning and 95.4MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-11-23 17:04:23,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4435.76ms. Allocated memory was 56.6MB in the beginning and 268.4MB in the end (delta: 211.8MB). Free memory was 32.9MB in the beginning and 153.5MB in the end (delta: -120.6MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 336.49ms. Allocated memory is still 268.4MB. Free memory was 153.5MB in the beginning and 131.5MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 378.55ms. Allocated memory is still 268.4MB. Free memory was 131.5MB in the beginning and 175.1MB in the end (delta: -43.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4503.89ms. Allocated memory is still 268.4MB. Free memory was 175.1MB in the beginning and 95.4MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. 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 17:04:23,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe5c3b9-5f0b-441d-b3d7-a42c98880b12/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable