./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/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_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P --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 0.2.1-dev-53f42b1 [2021-11-21 01:32:41,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:32:41,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:32:41,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:32:41,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:32:41,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:32:41,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:32:41,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:32:41,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:32:41,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:32:41,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:32:41,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:32:41,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:32:41,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:32:41,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:32:41,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:32:41,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:32:41,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:32:41,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:32:41,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:32:41,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:32:41,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:32:41,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:32:41,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:32:41,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:32:41,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:32:41,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:32:41,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:32:41,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:32:41,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:32:41,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:32:41,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:32:41,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:32:41,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:32:41,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:32:41,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:32:41,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:32:41,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:32:41,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:32:41,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:32:41,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:32:41,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:32:41,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:32:41,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:32:41,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:32:41,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:32:41,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:32:41,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:32:41,586 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:32:41,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:32:41,586 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:32:41,586 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:32:41,587 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:32:41,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:32:41,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:32:41,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:32:41,598 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:32:41,599 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:32:41,599 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:32:41,599 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:32:41,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:32:41,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:32:41,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:32:41,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:32:41,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:32:41,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:32:41,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:32:41,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:32:41,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:32:41,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:32:41,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:32:41,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:32:41,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:32:41,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:32:41,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:32:41,603 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:32:41,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:32:41,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:32:41,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:32:41,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:32:41,604 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_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-21 01:32:41,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:32:41,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:32:41,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:32:41,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:32:41,909 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:32:41,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-21 01:32:41,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/1ada64959/1dd9e3133fc14f7e849c0d625f971e49/FLAGb6e80854d [2021-11-21 01:32:42,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:32:42,807 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-21 01:32:42,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/1ada64959/1dd9e3133fc14f7e849c0d625f971e49/FLAGb6e80854d [2021-11-21 01:32:43,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/1ada64959/1dd9e3133fc14f7e849c0d625f971e49 [2021-11-21 01:32:43,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:32:43,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:32:43,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:32:43,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:32:43,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:32:43,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:32:43" (1/1) ... [2021-11-21 01:32:43,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b48458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:43, skipping insertion in model container [2021-11-21 01:32:43,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:32:43" (1/1) ... [2021-11-21 01:32:43,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:32:43,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:32:45,602 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_68a30f24-e09f-43cb-a34a-51317d1aac52/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-21 01:32:45,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:32:45,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:32:46,127 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_68a30f24-e09f-43cb-a34a-51317d1aac52/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-21 01:32:46,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:32:46,413 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:32:46,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46 WrapperNode [2021-11-21 01:32:46,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:32:46,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:32:46,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:32:46,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:32:46,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:46,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:46,765 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4213 [2021-11-21 01:32:46,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:32:46,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:32:46,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:32:46,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:32:46,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:46,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:46,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:46,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:46,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:47,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:47,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:47,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:32:47,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:32:47,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:32:47,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:32:47,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (1/1) ... [2021-11-21 01:32:47,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:32:47,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:32:47,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:32:47,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:32:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-21 01:32:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-21 01:32:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-21 01:32:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-21 01:32:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-21 01:32:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-21 01:32:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-21 01:32:47,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-21 01:32:47,169 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-21 01:32:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-21 01:32:47,170 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-21 01:32:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:32:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-21 01:32:47,170 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-21 01:32:47,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:32:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-21 01:32:47,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-21 01:32:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-21 01:32:47,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-21 01:32:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-21 01:32:47,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-21 01:32:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-21 01:32:47,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-21 01:32:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-21 01:32:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-21 01:32:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-21 01:32:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-21 01:32:47,173 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 01:32:47,173 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 01:32:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-21 01:32:47,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-21 01:32:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:32:47,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:32:47,174 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-21 01:32:47,175 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-21 01:32:47,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-21 01:32:47,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-21 01:32:47,175 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-21 01:32:47,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-21 01:32:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-21 01:32:47,176 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-21 01:32:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 01:32:47,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 01:32:47,176 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-21 01:32:47,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-21 01:32:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-21 01:32:47,177 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-21 01:32:47,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-21 01:32:47,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-21 01:32:47,178 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 01:32:47,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 01:32:47,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:32:47,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:32:47,180 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-21 01:32:47,181 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-21 01:32:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 01:32:47,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 01:32:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-21 01:32:47,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-21 01:32:47,181 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-21 01:32:47,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-21 01:32:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-21 01:32:47,182 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-21 01:32:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-21 01:32:47,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-21 01:32:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:32:47,182 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 01:32:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 01:32:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-21 01:32:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-21 01:32:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:32:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-21 01:32:47,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-21 01:32:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 01:32:47,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 01:32:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-21 01:32:47,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-21 01:32:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:32:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:32:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-21 01:32:47,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-21 01:32:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 01:32:47,186 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 01:32:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-21 01:32:47,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-21 01:32:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 01:32:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 01:32:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-21 01:32:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-21 01:32:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-21 01:32:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-21 01:32:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-21 01:32:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-21 01:32:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 01:32:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 01:32:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 01:32:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 01:32:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 01:32:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 01:32:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-21 01:32:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-21 01:32:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-21 01:32:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-21 01:32:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 01:32:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 01:32:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-21 01:32:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-21 01:32:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:32:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 01:32:47,192 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 01:32:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-21 01:32:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-21 01:32:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 01:32:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 01:32:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-21 01:32:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-21 01:32:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:32:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-21 01:32:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-21 01:32:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-21 01:32:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-21 01:32:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-21 01:32:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-21 01:32:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:32:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 01:32:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 01:32:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-21 01:32:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-21 01:32:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-21 01:32:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-21 01:32:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-21 01:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-21 01:32:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-21 01:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-21 01:32:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-21 01:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-21 01:32:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-21 01:32:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-21 01:32:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:32:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:32:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-21 01:32:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-21 01:32:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-21 01:32:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-21 01:32:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:32:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-21 01:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-21 01:32:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-21 01:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-21 01:32:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-21 01:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-21 01:32:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-21 01:32:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-21 01:32:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-21 01:32:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-21 01:32:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:32:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-21 01:32:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-21 01:32:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-21 01:32:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-21 01:32:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:32:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-21 01:32:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-21 01:32:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:32:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 01:32:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-21 01:32:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-21 01:32:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:32:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:32:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 01:32:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 01:32:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-21 01:32:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-21 01:32:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-21 01:32:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-21 01:32:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 01:32:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 01:32:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-21 01:32:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-21 01:32:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-21 01:32:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-21 01:32:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-21 01:32:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-21 01:32:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-21 01:32:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-21 01:32:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-21 01:32:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-21 01:32:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 01:32:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 01:32:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-21 01:32:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-21 01:32:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:32:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:32:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-21 01:32:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-21 01:32:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-21 01:32:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-21 01:32:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-21 01:32:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-21 01:32:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:32:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-21 01:32:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-21 01:32:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 01:32:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 01:32:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:32:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:32:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-21 01:32:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-21 01:32:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 01:32:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 01:32:47,863 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:32:47,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:32:48,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-21 01:32:48,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-21 01:32:49,299 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:32:49,345 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:32:49,347 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:32:49,746 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2021-11-21 01:32:49,746 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2021-11-21 01:32:49,746 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-21 01:32:49,746 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-21 01:32:49,747 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2021-11-21 01:32:49,747 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2021-11-21 01:32:49,747 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2021-11-21 01:32:49,747 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2021-11-21 01:32:49,747 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-21 01:32:49,747 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-21 01:32:49,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-11-21 01:32:49,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-11-21 01:32:49,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-11-21 01:32:49,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-11-21 01:32:49,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-21 01:32:49,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-21 01:32:49,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-11-21 01:32:49,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-11-21 01:32:49,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-11-21 01:32:49,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-11-21 01:32:49,749 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-21 01:32:49,750 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2021-11-21 01:32:49,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2021-11-21 01:32:49,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2021-11-21 01:32:49,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2021-11-21 01:32:49,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-21 01:32:49,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-11-21 01:32:49,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-11-21 01:32:49,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-11-21 01:32:49,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-11-21 01:32:49,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-11-21 01:32:49,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-11-21 01:32:49,881 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:32:49,887 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:32:50,617 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2021-11-21 01:32:50,617 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2021-11-21 01:32:50,617 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2021-11-21 01:32:50,618 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2021-11-21 01:32:50,618 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-11-21 01:32:50,618 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-11-21 01:32:50,618 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-11-21 01:32:50,618 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-11-21 01:32:50,618 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-11-21 01:32:50,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-11-21 01:32:50,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-21 01:32:50,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-21 01:32:50,687 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:32:51,792 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:32:51,792 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-21 01:32:51,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:32:51 BoogieIcfgContainer [2021-11-21 01:32:51,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:32:51,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:32:51,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:32:51,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:32:51,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:32:43" (1/3) ... [2021-11-21 01:32:51,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c354d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:32:51, skipping insertion in model container [2021-11-21 01:32:51,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:32:46" (2/3) ... [2021-11-21 01:32:51,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c354d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:32:51, skipping insertion in model container [2021-11-21 01:32:51,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:32:51" (3/3) ... [2021-11-21 01:32:51,810 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-21 01:32:51,815 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:32:51,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:32:51,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:32:51,893 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:32:51,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:32:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 1129 states, 702 states have (on average 1.378917378917379) internal successors, (968), 737 states have internal predecessors, (968), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) [2021-11-21 01:32:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:32:51,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:32:51,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:32:51,961 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:32:51,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:32:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2080238002, now seen corresponding path program 1 times [2021-11-21 01:32:51,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:32:51,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497169184] [2021-11-21 01:32:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:32:51,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:32:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:32:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:32:52,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:32:52,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497169184] [2021-11-21 01:32:52,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497169184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:32:52,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:32:52,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:32:52,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836287823] [2021-11-21 01:32:52,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:32:52,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:32:52,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:32:52,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:32:52,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:32:52,468 INFO L87 Difference]: Start difference. First operand has 1129 states, 702 states have (on average 1.378917378917379) internal successors, (968), 737 states have internal predecessors, (968), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:32:54,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:57,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:59,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:32:59,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:32:59,994 INFO L93 Difference]: Finished difference Result 3308 states and 4831 transitions. [2021-11-21 01:32:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:32:59,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-21 01:32:59,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:00,035 INFO L225 Difference]: With dead ends: 3308 [2021-11-21 01:33:00,035 INFO L226 Difference]: Without dead ends: 2176 [2021-11-21 01:33:00,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:33:00,051 INFO L933 BasicCegarLoop]: 1925 mSDtfsCounter, 1545 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 3325 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:00,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1545 Valid, 3325 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2021-11-21 01:33:00,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-21 01:33:00,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2161. [2021-11-21 01:33:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2161 states, 1342 states have (on average 1.3651266766020864) internal successors, (1832), 1409 states have internal predecessors, (1832), 633 states have call successors, (633), 186 states have call predecessors, (633), 185 states have return successors, (634), 615 states have call predecessors, (634), 631 states have call successors, (634) [2021-11-21 01:33:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 3099 transitions. [2021-11-21 01:33:00,313 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 3099 transitions. Word has length 9 [2021-11-21 01:33:00,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:00,314 INFO L470 AbstractCegarLoop]: Abstraction has 2161 states and 3099 transitions. [2021-11-21 01:33:00,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:33:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 3099 transitions. [2021-11-21 01:33:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 01:33:00,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:00,333 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:00,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:33:00,334 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:00,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:00,337 INFO L85 PathProgramCache]: Analyzing trace with hash -55838311, now seen corresponding path program 1 times [2021-11-21 01:33:00,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:33:00,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330400433] [2021-11-21 01:33:00,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:00,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:33:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:33:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:33:00,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:33:00,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330400433] [2021-11-21 01:33:00,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330400433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:33:00,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:33:00,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:33:00,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713176790] [2021-11-21 01:33:00,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:33:00,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:33:00,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:33:00,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:33:00,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:33:00,549 INFO L87 Difference]: Start difference. First operand 2161 states and 3099 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-21 01:33:01,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:04,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:07,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:09,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:12,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:15,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:33:15,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:33:15,929 INFO L93 Difference]: Finished difference Result 4765 states and 6919 transitions. [2021-11-21 01:33:15,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:33:15,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2021-11-21 01:33:15,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:15,956 INFO L225 Difference]: With dead ends: 4765 [2021-11-21 01:33:15,957 INFO L226 Difference]: Without dead ends: 2621 [2021-11-21 01:33:15,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:33:15,973 INFO L933 BasicCegarLoop]: 1458 mSDtfsCounter, 430 mSDsluCounter, 4598 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 81 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 5490 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:15,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [490 Valid, 5490 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 951 Invalid, 5 Unknown, 0 Unchecked, 15.1s Time] [2021-11-21 01:33:15,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2021-11-21 01:33:16,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2580. [2021-11-21 01:33:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 1645 states have (on average 1.3817629179331308) internal successors, (2273), 1716 states have internal predecessors, (2273), 749 states have call successors, (749), 186 states have call predecessors, (749), 185 states have return successors, (752), 731 states have call predecessors, (752), 747 states have call successors, (752) [2021-11-21 01:33:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3774 transitions. [2021-11-21 01:33:16,162 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3774 transitions. Word has length 60 [2021-11-21 01:33:16,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:16,162 INFO L470 AbstractCegarLoop]: Abstraction has 2580 states and 3774 transitions. [2021-11-21 01:33:16,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-21 01:33:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3774 transitions. [2021-11-21 01:33:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 01:33:16,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:16,175 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:16,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:33:16,176 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:16,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:16,176 INFO L85 PathProgramCache]: Analyzing trace with hash 106915256, now seen corresponding path program 1 times [2021-11-21 01:33:16,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:33:16,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254328878] [2021-11-21 01:33:16,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:16,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:33:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:33:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 01:33:16,530 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:33:16,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254328878] [2021-11-21 01:33:16,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254328878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:33:16,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:33:16,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:33:16,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460714266] [2021-11-21 01:33:16,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:33:16,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:33:16,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:33:16,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:33:16,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:33:16,533 INFO L87 Difference]: Start difference. First operand 2580 states and 3774 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-21 01:33:18,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:20,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:23,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:33:24,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:33:24,610 INFO L93 Difference]: Finished difference Result 5145 states and 7528 transitions. [2021-11-21 01:33:24,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:33:24,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 75 [2021-11-21 01:33:24,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:24,634 INFO L225 Difference]: With dead ends: 5145 [2021-11-21 01:33:24,634 INFO L226 Difference]: Without dead ends: 2580 [2021-11-21 01:33:24,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:33:24,654 INFO L933 BasicCegarLoop]: 1414 mSDtfsCounter, 3 mSDsluCounter, 4811 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:24,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 5650 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 783 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2021-11-21 01:33:24,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2021-11-21 01:33:24,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2580. [2021-11-21 01:33:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 1645 states have (on average 1.3805471124620061) internal successors, (2271), 1714 states have internal predecessors, (2271), 749 states have call successors, (749), 186 states have call predecessors, (749), 185 states have return successors, (752), 731 states have call predecessors, (752), 747 states have call successors, (752) [2021-11-21 01:33:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3772 transitions. [2021-11-21 01:33:24,808 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3772 transitions. Word has length 75 [2021-11-21 01:33:24,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:24,809 INFO L470 AbstractCegarLoop]: Abstraction has 2580 states and 3772 transitions. [2021-11-21 01:33:24,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-21 01:33:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3772 transitions. [2021-11-21 01:33:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 01:33:24,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:24,815 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:24,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:33:24,816 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:24,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:24,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1121422456, now seen corresponding path program 1 times [2021-11-21 01:33:24,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:33:24,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279521758] [2021-11-21 01:33:24,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:24,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:33:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:33:25,082 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:33:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:33:25,358 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 01:33:25,358 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:33:25,361 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:33:25,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:33:25,368 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-21 01:33:25,371 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:33:25,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:33:25 BoogieIcfgContainer [2021-11-21 01:33:25,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:33:25,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:33:25,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:33:25,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:33:25,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:32:51" (3/4) ... [2021-11-21 01:33:25,609 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 01:33:25,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:33:25,610 INFO L158 Benchmark]: Toolchain (without parser) took 42245.09ms. Allocated memory was 102.8MB in the beginning and 572.5MB in the end (delta: 469.8MB). Free memory was 76.4MB in the beginning and 440.1MB in the end (delta: -363.7MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2021-11-21 01:33:25,612 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:33:25,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3048.34ms. Allocated memory was 102.8MB in the beginning and 209.7MB in the end (delta: 107.0MB). Free memory was 76.1MB in the beginning and 115.2MB in the end (delta: -39.1MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2021-11-21 01:33:25,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 350.66ms. Allocated memory is still 209.7MB. Free memory was 115.2MB in the beginning and 91.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-21 01:33:25,614 INFO L158 Benchmark]: Boogie Preprocessor took 321.44ms. Allocated memory is still 209.7MB. Free memory was 91.1MB in the beginning and 118.7MB in the end (delta: -27.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-21 01:33:25,614 INFO L158 Benchmark]: RCFGBuilder took 4711.46ms. Allocated memory was 209.7MB in the beginning and 352.3MB in the end (delta: 142.6MB). Free memory was 118.7MB in the beginning and 204.3MB in the end (delta: -85.7MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB. [2021-11-21 01:33:25,614 INFO L158 Benchmark]: TraceAbstraction took 33801.17ms. Allocated memory was 352.3MB in the beginning and 572.5MB in the end (delta: 220.2MB). Free memory was 204.3MB in the beginning and 441.2MB in the end (delta: -236.9MB). Peak memory consumption was 305.3MB. Max. memory is 16.1GB. [2021-11-21 01:33:25,615 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 572.5MB. Free memory was 441.2MB in the beginning and 440.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:33:25,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 79.7MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3048.34ms. Allocated memory was 102.8MB in the beginning and 209.7MB in the end (delta: 107.0MB). Free memory was 76.1MB in the beginning and 115.2MB in the end (delta: -39.1MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 350.66ms. Allocated memory is still 209.7MB. Free memory was 115.2MB in the beginning and 91.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 321.44ms. Allocated memory is still 209.7MB. Free memory was 91.1MB in the beginning and 118.7MB in the end (delta: -27.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4711.46ms. Allocated memory was 209.7MB in the beginning and 352.3MB in the end (delta: 142.6MB). Free memory was 118.7MB in the beginning and 204.3MB in the end (delta: -85.7MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB. * TraceAbstraction took 33801.17ms. Allocated memory was 352.3MB in the beginning and 572.5MB in the end (delta: 220.2MB). Free memory was 204.3MB in the beginning and 441.2MB in the end (delta: -236.9MB). Peak memory consumption was 305.3MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 572.5MB. Free memory was 441.2MB in the beginning and 440.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551634:18446744073709551621}, arg0={18446744073709551634:18446744073709551621}, arg0={18446744073709551634:18446744073709551621}, arg1={20:0}, arg1={20:0}, arg2={73:0}, arg2={73:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={73:0}, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={73:0}, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=1] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551634:18446744073709551621}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, cflags=-5, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, cflags=-5, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, cflags=-5, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551613, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551634:18446744073709551621}, __val_gu___1=4294967292, arg=18446744073709551613, argp={0:-3}, cflags=-5, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551650:-2}, file={18446744073709551650:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-4] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551623:18446744073709551654}, rstate={18446744073709551626:18446744073709551641}, xcomp={18446744073709551617:-18}, xstate={18446744073709551617:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551623:18446744073709551654}, rstate={18446744073709551626:18446744073709551641}, xcomp={18446744073709551617:-18}, xstate={18446744073709551617:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551623:18446744073709551654}, rstate={18446744073709551626:18446744073709551641}, xcomp={18446744073709551617:-18}, xstate={18446744073709551617:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551623:18446744073709551654}, rstate={18446744073709551626:18446744073709551641}, xcomp={18446744073709551617:-18}, xcomp->comp_free={-1:12}, xstate={18446744073709551617:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551623:18446744073709551654}, rstate={18446744073709551626:18446744073709551641}, xcomp={18446744073709551617:-18}, xcomp->comp_free={-1:12}, xstate={18446744073709551617:0}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={79:-78}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={79:-78}, module={79:-78}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={79:-78}, module={79:-78}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551634:18446744073709551621}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.5s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 31.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 2039 SdHoareTripleChecker+Valid, 30.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1978 mSDsluCounter, 14465 SdHoareTripleChecker+Invalid, 29.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11001 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2151 IncrementalHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 4797 mSDtfsCounter, 2151 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2580occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 56 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-21 01:33:25,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/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_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/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_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P --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 0.2.1-dev-53f42b1 [2021-11-21 01:33:28,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:33:28,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:33:28,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:33:28,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:33:28,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:33:28,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:33:28,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:33:28,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:33:28,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:33:28,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:33:28,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:33:28,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:33:28,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:33:28,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:33:28,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:33:28,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:33:28,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:33:28,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:33:28,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:33:28,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:33:28,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:33:28,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:33:28,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:33:28,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:33:28,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:33:28,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:33:28,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:33:28,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:33:28,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:33:28,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:33:28,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:33:28,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:33:28,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:33:28,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:33:28,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:33:28,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:33:28,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:33:28,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:33:28,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:33:28,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:33:28,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-21 01:33:28,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:33:28,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:33:28,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:33:28,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:33:28,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:33:28,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:33:28,149 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:33:28,149 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:33:28,149 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:33:28,150 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:33:28,151 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:33:28,151 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:33:28,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:33:28,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:33:28,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:33:28,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:33:28,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:33:28,154 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:33:28,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:33:28,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:33:28,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:33:28,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:33:28,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:33:28,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:33:28,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:33:28,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:33:28,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:33:28,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:33:28,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:33:28,156 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:33:28,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:33:28,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:33:28,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:33:28,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:33:28,158 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_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-21 01:33:28,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:33:28,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:33:28,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:33:28,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:33:28,599 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:33:28,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-21 01:33:28,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/3e48b8b3f/7b7b1ddf455a44a9aea8218b5b0e2028/FLAG5cd6fdd13 [2021-11-21 01:33:29,843 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:33:29,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-21 01:33:29,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/3e48b8b3f/7b7b1ddf455a44a9aea8218b5b0e2028/FLAG5cd6fdd13 [2021-11-21 01:33:30,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/data/3e48b8b3f/7b7b1ddf455a44a9aea8218b5b0e2028 [2021-11-21 01:33:30,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:33:30,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:33:30,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:33:30,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:33:30,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:33:30,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:33:30" (1/1) ... [2021-11-21 01:33:30,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639110be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:30, skipping insertion in model container [2021-11-21 01:33:30,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:33:30" (1/1) ... [2021-11-21 01:33:30,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:33:30,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:33:32,499 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_68a30f24-e09f-43cb-a34a-51317d1aac52/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-21 01:33:32,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:33:32,594 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:33:32,986 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_68a30f24-e09f-43cb-a34a-51317d1aac52/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-11-21 01:33:32,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:33:33,459 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:33:33,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33 WrapperNode [2021-11-21 01:33:33,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:33:33,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:33:33,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:33:33,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:33:33,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,739 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2021-11-21 01:33:33,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:33:33,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:33:33,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:33:33,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:33:33,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:33,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:34,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:33:34,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:33:34,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:33:34,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:33:34,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (1/1) ... [2021-11-21 01:33:34,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:33:34,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:33:34,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:33:34,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:33:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-21 01:33:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-21 01:33:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-21 01:33:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-21 01:33:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-21 01:33:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-21 01:33:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-21 01:33:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-21 01:33:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-21 01:33:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-21 01:33:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-21 01:33:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 01:33:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:33:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-21 01:33:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-21 01:33:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-21 01:33:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:33:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-21 01:33:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-21 01:33:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-21 01:33:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-21 01:33:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-21 01:33:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-21 01:33:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-21 01:33:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-21 01:33:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-21 01:33:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-21 01:33:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-21 01:33:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-21 01:33:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 01:33:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 01:33:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-21 01:33:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-21 01:33:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:33:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:33:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-21 01:33:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-21 01:33:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-21 01:33:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-21 01:33:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-21 01:33:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-21 01:33:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-21 01:33:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-21 01:33:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-21 01:33:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-21 01:33:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 01:33:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 01:33:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-21 01:33:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-21 01:33:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-21 01:33:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-21 01:33:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-21 01:33:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-21 01:33:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 01:33:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 01:33:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:33:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:33:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-21 01:33:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-21 01:33:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 01:33:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 01:33:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-21 01:33:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-21 01:33:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-21 01:33:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-21 01:33:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-21 01:33:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-21 01:33:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-21 01:33:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-21 01:33:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:33:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 01:33:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 01:33:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-21 01:33:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-21 01:33:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:33:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-21 01:33:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-21 01:33:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 01:33:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 01:33:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-21 01:33:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-21 01:33:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-21 01:33:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-21 01:33:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-21 01:33:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:33:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 01:33:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:33:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-21 01:33:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-21 01:33:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 01:33:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 01:33:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 01:33:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-21 01:33:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-21 01:33:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-21 01:33:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-21 01:33:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 01:33:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 01:33:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-21 01:33:34,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-21 01:33:34,161 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-21 01:33:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-21 01:33:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-21 01:33:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-21 01:33:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 01:33:34,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 01:33:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 01:33:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 01:33:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 01:33:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 01:33:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-21 01:33:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-21 01:33:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-21 01:33:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-21 01:33:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 01:33:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 01:33:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-21 01:33:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-21 01:33:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 01:33:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 01:33:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-21 01:33:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-21 01:33:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 01:33:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 01:33:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-21 01:33:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-21 01:33:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-21 01:33:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-21 01:33:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-21 01:33:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-21 01:33:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-21 01:33:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-21 01:33:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 01:33:34,167 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 01:33:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-21 01:33:34,167 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-21 01:33:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-21 01:33:34,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-21 01:33:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-21 01:33:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-21 01:33:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-21 01:33:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-21 01:33:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-21 01:33:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-21 01:33:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-21 01:33:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-21 01:33:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:33:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:33:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-21 01:33:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-21 01:33:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-21 01:33:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-21 01:33:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-21 01:33:34,170 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-21 01:33:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-21 01:33:34,170 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-21 01:33:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-21 01:33:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-21 01:33:34,170 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-21 01:33:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-21 01:33:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-21 01:33:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-21 01:33:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-21 01:33:34,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-21 01:33:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-21 01:33:34,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-21 01:33:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-21 01:33:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-21 01:33:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:33:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-21 01:33:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-21 01:33:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-21 01:33:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-21 01:33:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:33:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-21 01:33:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-21 01:33:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:33:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 01:33:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-21 01:33:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-21 01:33:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:33:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:33:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-21 01:33:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 01:33:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 01:33:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-21 01:33:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-21 01:33:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-21 01:33:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-21 01:33:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 01:33:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 01:33:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-21 01:33:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-21 01:33:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-21 01:33:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-21 01:33:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-21 01:33:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-21 01:33:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-21 01:33:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-21 01:33:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-21 01:33:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-21 01:33:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 01:33:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 01:33:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-21 01:33:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-21 01:33:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-21 01:33:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-21 01:33:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-21 01:33:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-21 01:33:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-21 01:33:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 01:33:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 01:33:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:33:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:33:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-21 01:33:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-21 01:33:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 01:33:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 01:33:34,864 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:33:34,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:33:36,009 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-21 01:33:36,009 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-21 01:33:41,314 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:33:41,327 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:33:41,332 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:33:41,336 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:33:41,348 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 01:33:48,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2021-11-21 01:33:48,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2021-11-21 01:33:48,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2021-11-21 01:33:48,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2021-11-21 01:33:48,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2021-11-21 01:33:48,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2021-11-21 01:33:48,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2021-11-21 01:33:48,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2021-11-21 01:33:48,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-11-21 01:33:48,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2021-11-21 01:33:48,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2021-11-21 01:33:48,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2021-11-21 01:33:48,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2021-11-21 01:33:48,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2021-11-21 01:33:49,039 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:33:49,065 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:33:49,066 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-21 01:33:49,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:33:49 BoogieIcfgContainer [2021-11-21 01:33:49,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:33:49,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:33:49,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:33:49,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:33:49,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:33:30" (1/3) ... [2021-11-21 01:33:49,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afb060d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:33:49, skipping insertion in model container [2021-11-21 01:33:49,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:33:33" (2/3) ... [2021-11-21 01:33:49,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afb060d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:33:49, skipping insertion in model container [2021-11-21 01:33:49,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:33:49" (3/3) ... [2021-11-21 01:33:49,080 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-21 01:33:49,086 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:33:49,086 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:33:49,159 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:33:49,166 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:33:49,166 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:33:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) [2021-11-21 01:33:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 01:33:49,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:49,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:49,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:49,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:49,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2021-11-21 01:33:49,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:33:49,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603557621] [2021-11-21 01:33:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:49,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:33:49,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:33:49,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:33:49,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 01:33:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:33:49,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:33:50,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:33:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:33:50,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:33:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:33:50,191 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:33:50,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603557621] [2021-11-21 01:33:50,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603557621] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:33:50,192 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:33:50,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-21 01:33:50,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101437793] [2021-11-21 01:33:50,194 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:33:50,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:33:50,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:33:50,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:33:50,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:33:50,247 INFO L87 Difference]: Start difference. First operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:33:50,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:33:50,606 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2021-11-21 01:33:50,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:33:50,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-21 01:33:50,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:50,655 INFO L225 Difference]: With dead ends: 4250 [2021-11-21 01:33:50,655 INFO L226 Difference]: Without dead ends: 2804 [2021-11-21 01:33:50,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:33:50,677 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 1978 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:50,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:33:50,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-11-21 01:33:50,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2021-11-21 01:33:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3291139240506329) internal successors, (2625), 2042 states have internal predecessors, (2625), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-11-21 01:33:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2021-11-21 01:33:51,030 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2021-11-21 01:33:51,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:51,031 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2021-11-21 01:33:51,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:33:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2021-11-21 01:33:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 01:33:51,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:51,049 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:51,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:33:51,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:33:51,268 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:51,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:51,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2021-11-21 01:33:51,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:33:51,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441767269] [2021-11-21 01:33:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:51,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:33:51,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:33:51,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:33:51,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-21 01:33:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:33:52,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 01:33:52,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:33:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 01:33:52,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:33:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 01:33:52,622 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:33:52,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441767269] [2021-11-21 01:33:52,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441767269] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:33:52,623 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:33:52,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-21 01:33:52,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192659288] [2021-11-21 01:33:52,623 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:33:52,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:33:52,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:33:52,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:33:52,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:33:52,626 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-21 01:33:52,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:33:52,972 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2021-11-21 01:33:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:33:52,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 74 [2021-11-21 01:33:52,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:52,994 INFO L225 Difference]: With dead ends: 5578 [2021-11-21 01:33:52,995 INFO L226 Difference]: Without dead ends: 2801 [2021-11-21 01:33:53,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:33:53,008 INFO L933 BasicCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:53,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:33:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-11-21 01:33:53,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-11-21 01:33:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3281012658227849) internal successors, (2623), 2040 states have internal predecessors, (2623), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-11-21 01:33:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2021-11-21 01:33:53,185 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2021-11-21 01:33:53,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:53,186 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2021-11-21 01:33:53,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-21 01:33:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2021-11-21 01:33:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 01:33:53,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:53,197 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:53,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:33:53,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:33:53,412 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:53,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:53,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2021-11-21 01:33:53,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:33:53,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099189606] [2021-11-21 01:33:53,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:53,415 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:33:53,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:33:53,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:33:53,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-21 01:33:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:33:54,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:33:54,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:33:54,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 01:33:54,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:33:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 01:33:54,810 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:33:54,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099189606] [2021-11-21 01:33:54,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099189606] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:33:54,810 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:33:54,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-21 01:33:54,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743722936] [2021-11-21 01:33:54,811 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:33:54,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:33:54,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:33:54,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:33:54,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:33:54,813 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-21 01:33:56,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:33:56,210 INFO L93 Difference]: Finished difference Result 7582 states and 10942 transitions. [2021-11-21 01:33:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:33:56,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 89 [2021-11-21 01:33:56,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:56,248 INFO L225 Difference]: With dead ends: 7582 [2021-11-21 01:33:56,248 INFO L226 Difference]: Without dead ends: 4808 [2021-11-21 01:33:56,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:33:56,264 INFO L933 BasicCegarLoop]: 2551 mSDtfsCounter, 1372 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:56,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1689 Valid, 5030 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:33:56,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2021-11-21 01:33:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4792. [2021-11-21 01:33:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4792 states, 3390 states have (on average 1.3545722713864308) internal successors, (4592), 3483 states have internal predecessors, (4592), 1217 states have call successors, (1217), 185 states have call predecessors, (1217), 184 states have return successors, (1224), 1195 states have call predecessors, (1224), 1215 states have call successors, (1224) [2021-11-21 01:33:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 7033 transitions. [2021-11-21 01:33:56,589 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 7033 transitions. Word has length 89 [2021-11-21 01:33:56,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:56,589 INFO L470 AbstractCegarLoop]: Abstraction has 4792 states and 7033 transitions. [2021-11-21 01:33:56,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-21 01:33:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 7033 transitions. [2021-11-21 01:33:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 01:33:56,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:56,601 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:56,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:33:56,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:33:56,816 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:33:56,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:56,816 INFO L85 PathProgramCache]: Analyzing trace with hash 347747418, now seen corresponding path program 1 times [2021-11-21 01:33:56,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:33:56,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843867156] [2021-11-21 01:33:56,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:56,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:33:56,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:33:56,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:33:56,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-21 01:34:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:34:01,714 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:34:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:34:14,379 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-21 01:34:14,379 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:34:14,383 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:34:14,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-21 01:34:14,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:34:14,602 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-21 01:34:14,605 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:34:14,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:34:14 BoogieIcfgContainer [2021-11-21 01:34:14,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:34:14,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:34:14,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:34:14,833 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:34:14,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:33:49" (3/4) ... [2021-11-21 01:34:14,836 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 01:34:14,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:34:14,837 INFO L158 Benchmark]: Toolchain (without parser) took 44714.40ms. Allocated memory was 65.0MB in the beginning and 364.9MB in the end (delta: 299.9MB). Free memory was 32.5MB in the beginning and 115.7MB in the end (delta: -83.2MB). Peak memory consumption was 219.6MB. Max. memory is 16.1GB. [2021-11-21 01:34:14,840 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:34:14,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3336.37ms. Allocated memory was 65.0MB in the beginning and 163.6MB in the end (delta: 98.6MB). Free memory was 32.4MB in the beginning and 104.1MB in the end (delta: -71.7MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2021-11-21 01:34:14,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.84ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 81.9MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-21 01:34:14,841 INFO L158 Benchmark]: Boogie Preprocessor took 294.21ms. Allocated memory is still 163.6MB. Free memory was 81.9MB in the beginning and 88.8MB in the end (delta: -6.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-21 01:34:14,841 INFO L158 Benchmark]: RCFGBuilder took 15035.63ms. Allocated memory was 163.6MB in the beginning and 274.7MB in the end (delta: 111.1MB). Free memory was 88.8MB in the beginning and 182.8MB in the end (delta: -94.0MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2021-11-21 01:34:14,842 INFO L158 Benchmark]: TraceAbstraction took 25758.49ms. Allocated memory was 274.7MB in the beginning and 364.9MB in the end (delta: 90.2MB). Free memory was 181.8MB in the beginning and 116.8MB in the end (delta: 65.0MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2021-11-21 01:34:14,842 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 364.9MB. Free memory was 116.8MB in the beginning and 115.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:34:14,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3336.37ms. Allocated memory was 65.0MB in the beginning and 163.6MB in the end (delta: 98.6MB). Free memory was 32.4MB in the beginning and 104.1MB in the end (delta: -71.7MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.84ms. Allocated memory is still 163.6MB. Free memory was 104.1MB in the beginning and 81.9MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 294.21ms. Allocated memory is still 163.6MB. Free memory was 81.9MB in the beginning and 88.8MB in the end (delta: -6.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * RCFGBuilder took 15035.63ms. Allocated memory was 163.6MB in the beginning and 274.7MB in the end (delta: 111.1MB). Free memory was 88.8MB in the beginning and 182.8MB in the end (delta: -94.0MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25758.49ms. Allocated memory was 274.7MB in the beginning and 364.9MB in the end (delta: 90.2MB). Free memory was 181.8MB in the beginning and 116.8MB in the end (delta: 65.0MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 364.9MB. Free memory was 116.8MB in the beginning and 115.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={20:0}, arg1={20:0}, arg2={74:0}, arg2={74:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={74:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={74:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=2147483648] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=71, \old(cmd)=1074033753, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=71, \old(cmd)=1074033753, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=71, \old(cmd)=1074033753, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=71, \old(cmd)=1074033753, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=71, \old(cmd)=1074033753, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7014] FCALL might_fault() VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, cflags=64, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, cflags=64, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, cflags=64, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=71, \old(cmd)=1074033753, __mptr___1={-9222949824389693440:1161101458800640}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=71, argp={0:71}, cflags=64, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={122:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:0}, file={0:0}, idle={99:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={102:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:1048576}, rstate={0:0}, xcomp={64:0}, xstate={-9151314442011541504:281474976710656}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:1048576}, rstate={0:0}, xcomp={64:0}, xstate={-9151314442011541504:281474976710656}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:1048576}, rstate={0:0}, xcomp={64:0}, xstate={-9151314442011541504:281474976710656}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:1048576}, rstate={0:0}, xcomp={64:0}, xcomp->comp_free={9223372036854775806:12}, xstate={-9151314442011541504:281474976710656}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={-9222949824389693440:1161101458800640}, ppp={-9222949824389693440:1161101458800640}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:1048576}, rstate={0:0}, xcomp={64:0}, xcomp->comp_free={9223372036854775806:12}, xstate={-9151314442011541504:281474976710656}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={144185556828422144:-9223372036854775296}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={144185556828422144:-9223372036854775296}, module={144185556828422144:-9223372036854775296}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={144185556828422144:-9223372036854775296}, module={144185556828422144:-9223372036854775296}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 1432 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3671 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3353 mSDsluCounter, 17247 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10366 mSDsCounter, 172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 172 mSolverCounterUnsat, 6881 mSDtfsCounter, 216 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4792occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 508 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1920 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-21 01:34:14,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a30f24-e09f-43cb-a34a-51317d1aac52/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample