./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/config/AutomizerReach.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_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:03:48,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:03:48,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:03:48,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:03:48,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:03:48,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:03:48,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:03:48,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:03:48,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:03:48,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:03:48,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:03:48,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:03:48,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:03:48,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:03:48,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:03:48,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:03:48,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:03:48,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:03:48,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:03:48,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:03:48,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:03:48,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:03:48,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:03:48,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:03:48,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:03:48,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:03:48,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:03:48,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:03:48,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:03:48,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:03:48,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:03:48,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:03:48,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:03:48,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:03:48,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:03:48,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:03:48,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:03:48,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:03:48,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:03:48,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:03:48,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:03:48,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 19:03:48,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:03:48,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:03:48,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:03:48,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:03:48,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:03:48,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:03:48,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:03:48,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:03:48,510 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:03:48,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:03:48,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:03:48,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:03:48,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:03:48,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:03:48,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:03:48,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:03:48,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:03:48,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:03:48,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:03:48,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:03:48,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:03:48,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:03:48,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:03:48,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:03:48,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-06 19:03:48,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:03:48,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:03:48,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:03:48,708 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:03:48,709 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:03:48,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-06 19:03:48,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/cdf2a9aa5/d632cd81318844c1b1ca9200fa7bf1e4/FLAG16e320c86 [2021-12-06 19:03:49,348 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:03:49,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-06 19:03:49,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/cdf2a9aa5/d632cd81318844c1b1ca9200fa7bf1e4/FLAG16e320c86 [2021-12-06 19:03:49,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/cdf2a9aa5/d632cd81318844c1b1ca9200fa7bf1e4 [2021-12-06 19:03:49,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:03:49,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:03:49,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:03:49,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:03:49,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:03:49,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:03:49" (1/1) ... [2021-12-06 19:03:49,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425aaf3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:49, skipping insertion in model container [2021-12-06 19:03:49,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:03:49" (1/1) ... [2021-12-06 19:03:49,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:03:49,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:03:51,167 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_f50c0a44-1435-4c6a-a50b-c34389035708/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-06 19:03:51,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:03:51,220 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:03:51,441 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_f50c0a44-1435-4c6a-a50b-c34389035708/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-06 19:03:51,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:03:51,566 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:03:51,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51 WrapperNode [2021-12-06 19:03:51,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:03:51,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:03:51,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:03:51,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:03:51,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,725 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4213 [2021-12-06 19:03:51,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:03:51,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:03:51,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:03:51,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:03:51,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:03:51,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:03:51,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:03:51,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:03:51,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (1/1) ... [2021-12-06 19:03:51,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:03:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:03:51,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:03:51,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:03:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-06 19:03:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-06 19:03:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-06 19:03:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-06 19:03:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-06 19:03:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-06 19:03:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-06 19:03:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-06 19:03:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-06 19:03:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-06 19:03:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-06 19:03:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 19:03:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-06 19:03:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-06 19:03:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 19:03:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-06 19:03:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-06 19:03:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-06 19:03:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-06 19:03:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-06 19:03:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-06 19:03:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-06 19:03:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-06 19:03:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-06 19:03:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-06 19:03:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 19:03:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 19:03:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 19:03:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 19:03:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 19:03:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 19:03:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 19:03:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 19:03:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-06 19:03:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-06 19:03:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-06 19:03:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-06 19:03:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-06 19:03:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-06 19:03:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-06 19:03:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-06 19:03:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 19:03:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 19:03:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-06 19:03:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-06 19:03:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-06 19:03:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-06 19:03:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-06 19:03:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-06 19:03:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 19:03:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 19:03:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 19:03:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 19:03:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-06 19:03:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-06 19:03:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 19:03:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 19:03:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-06 19:03:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-06 19:03:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-06 19:03:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-06 19:03:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-06 19:03:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-06 19:03:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-06 19:03:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-06 19:03:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:03:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 19:03:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 19:03:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-06 19:03:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-06 19:03:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:03:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-06 19:03:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-06 19:03:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 19:03:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 19:03:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-06 19:03:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-06 19:03:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:03:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:03:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-06 19:03:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-06 19:03:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 19:03:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 19:03:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 19:03:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 19:03:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 19:03:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 19:03:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 19:03:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 19:03:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-06 19:03:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-06 19:03:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-06 19:03:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-06 19:03:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 19:03:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 19:03:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 19:03:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 19:03:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 19:03:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 19:03:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-06 19:03:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-06 19:03:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-06 19:03:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-06 19:03:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 19:03:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 19:03:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-06 19:03:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-06 19:03:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 19:03:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 19:03:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 19:03:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-06 19:03:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-06 19:03:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 19:03:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 19:03:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-06 19:03:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-06 19:03:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 19:03:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-06 19:03:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-06 19:03:51,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-06 19:03:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-06 19:03:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-06 19:03:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-06 19:03:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:03:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 19:03:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 19:03:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-06 19:03:51,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-06 19:03:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-06 19:03:51,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-06 19:03:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-06 19:03:51,959 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-06 19:03:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-06 19:03:51,959 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-06 19:03:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-06 19:03:51,959 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-06 19:03:51,959 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-06 19:03:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-06 19:03:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 19:03:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 19:03:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-06 19:03:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-06 19:03:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-06 19:03:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-06 19:03:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:03:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-06 19:03:51,960 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-06 19:03:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-06 19:03:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-06 19:03:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-06 19:03:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-06 19:03:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-06 19:03:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-06 19:03:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-06 19:03:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-06 19:03:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:03:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-06 19:03:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-06 19:03:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 19:03:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 19:03:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:03:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 19:03:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 19:03:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:03:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 19:03:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-06 19:03:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-06 19:03:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:03:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:03:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 19:03:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 19:03:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 19:03:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 19:03:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 19:03:51,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 19:03:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 19:03:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 19:03:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-06 19:03:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-06 19:03:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-06 19:03:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-06 19:03:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-06 19:03:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-06 19:03:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 19:03:51,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 19:03:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-06 19:03:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-06 19:03:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 19:03:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 19:03:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-06 19:03:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-06 19:03:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 19:03:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 19:03:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-06 19:03:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-06 19:03:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-06 19:03:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-06 19:03:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-06 19:03:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-06 19:03:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:03:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-06 19:03:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-06 19:03:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 19:03:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 19:03:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:03:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:03:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-06 19:03:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-06 19:03:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 19:03:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 19:03:52,378 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:03:52,381 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:03:52,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-06 19:03:52,737 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-06 19:03:53,269 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:03:53,272 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:03:53,273 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:03:53,568 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-12-06 19:03:53,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-12-06 19:03:53,570 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-06 19:03:53,571 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-06 19:03:53,663 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:03:53,668 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:03:54,122 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 [2021-12-06 19:03:54,123 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; [2021-12-06 19:03:54,123 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; [2021-12-06 19:03:54,123 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 [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-12-06 19:03:54,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-12-06 19:03:54,152 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:03:54,168 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:03:54,168 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-06 19:03:54,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:03:54 BoogieIcfgContainer [2021-12-06 19:03:54,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:03:54,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:03:54,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:03:54,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:03:54,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:03:49" (1/3) ... [2021-12-06 19:03:54,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14598d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:03:54, skipping insertion in model container [2021-12-06 19:03:54,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:03:51" (2/3) ... [2021-12-06 19:03:54,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14598d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:03:54, skipping insertion in model container [2021-12-06 19:03:54,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:03:54" (3/3) ... [2021-12-06 19:03:54,177 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-06 19:03:54,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:03:54,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:03:54,219 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:03:54,224 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=PETRI_NET, 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 [2021-12-06 19:03:54,224 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:03:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 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) [2021-12-06 19:03:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 19:03:54,264 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:03:54,265 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:03:54,265 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:03:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash 732442861, now seen corresponding path program 1 times [2021-12-06 19:03:54,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:54,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350607535] [2021-12-06 19:03:54,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:54,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:03:54,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:54,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350607535] [2021-12-06 19:03:54,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350607535] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:54,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:03:54,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:03:54,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470124482] [2021-12-06 19:03:54,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:54,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:03:54,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:54,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:03:54,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:03:54,649 INFO L87 Difference]: Start difference. First operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 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 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) [2021-12-06 19:03:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:03:54,928 INFO L93 Difference]: Finished difference Result 4295 states and 6198 transitions. [2021-12-06 19:03:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:03:54,931 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 [2021-12-06 19:03:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:03:54,967 INFO L225 Difference]: With dead ends: 4295 [2021-12-06 19:03:54,967 INFO L226 Difference]: Without dead ends: 2834 [2021-12-06 19:03:55,004 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 [2021-12-06 19:03:55,008 INFO L933 BasicCegarLoop]: 2376 mSDtfsCounter, 1996 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 4353 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 [2021-12-06 19:03:55,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 4353 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:03:55,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-12-06 19:03:55,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2831. [2021-12-06 19:03:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 1989 states have (on average 1.32780291603821) internal successors, (2641), 2056 states have internal predecessors, (2641), 651 states have call successors, (651), 191 states have call predecessors, (651), 190 states have return successors, (655), 633 states have call predecessors, (655), 649 states have call successors, (655) [2021-12-06 19:03:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3947 transitions. [2021-12-06 19:03:55,242 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3947 transitions. Word has length 12 [2021-12-06 19:03:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:03:55,242 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 3947 transitions. [2021-12-06 19:03:55,243 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) [2021-12-06 19:03:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3947 transitions. [2021-12-06 19:03:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-06 19:03:55,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:03:55,255 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] [2021-12-06 19:03:55,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:03:55,255 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:03:55,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:55,256 INFO L85 PathProgramCache]: Analyzing trace with hash -863962791, now seen corresponding path program 1 times [2021-12-06 19:03:55,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:55,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139938898] [2021-12-06 19:03:55,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:55,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:03:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 19:03:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 19:03:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:03:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:03:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 19:03:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 19:03:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 19:03:55,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:55,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139938898] [2021-12-06 19:03:55,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139938898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:55,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:03:55,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:03:55,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580504223] [2021-12-06 19:03:55,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:55,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:03:55,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:55,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:03:55,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:03:55,472 INFO L87 Difference]: Start difference. First operand 2831 states and 3947 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-06 19:03:59,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:03:59,053 INFO L93 Difference]: Finished difference Result 6578 states and 9359 transitions. [2021-12-06 19:03:59,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:03:59,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 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 74 [2021-12-06 19:03:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:03:59,084 INFO L225 Difference]: With dead ends: 6578 [2021-12-06 19:03:59,084 INFO L226 Difference]: Without dead ends: 3773 [2021-12-06 19:03:59,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:03:59,098 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1320 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 3331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:03:59,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1514 Valid, 6614 Invalid, 3331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-06 19:03:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2021-12-06 19:03:59,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3390. [2021-12-06 19:03:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3429276315789473) internal successors, (3266), 2503 states have internal predecessors, (3266), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-12-06 19:03:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4806 transitions. [2021-12-06 19:03:59,259 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4806 transitions. Word has length 74 [2021-12-06 19:03:59,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:03:59,259 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4806 transitions. [2021-12-06 19:03:59,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-06 19:03:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4806 transitions. [2021-12-06 19:03:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-06 19:03:59,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:03:59,267 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, 1, 1, 1] [2021-12-06 19:03:59,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:03:59,267 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:03:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:03:59,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1191976461, now seen corresponding path program 1 times [2021-12-06 19:03:59,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:03:59,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693563472] [2021-12-06 19:03:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:03:59,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:03:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 19:03:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-06 19:03:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:03:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 19:03:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:03:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:03:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 19:03:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 19:03:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 19:03:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:03:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 19:03:59,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:03:59,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693563472] [2021-12-06 19:03:59,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693563472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:03:59,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:03:59,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:03:59,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254242901] [2021-12-06 19:03:59,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:03:59,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:03:59,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:03:59,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:03:59,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:03:59,540 INFO L87 Difference]: Start difference. First operand 3390 states and 4806 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 19:04:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:04:02,388 INFO L93 Difference]: Finished difference Result 7092 states and 10144 transitions. [2021-12-06 19:04:02,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:04:02,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 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 92 [2021-12-06 19:04:02,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:04:02,408 INFO L225 Difference]: With dead ends: 7092 [2021-12-06 19:04:02,408 INFO L226 Difference]: Without dead ends: 3726 [2021-12-06 19:04:02,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:04:02,420 INFO L933 BasicCegarLoop]: 1773 mSDtfsCounter, 721 mSDsluCounter, 5046 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 6819 SdHoareTripleChecker+Invalid, 2910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-06 19:04:02,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 6819 Invalid, 2910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-06 19:04:02,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2021-12-06 19:04:02,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3390. [2021-12-06 19:04:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3421052631578947) internal successors, (3264), 2501 states have internal predecessors, (3264), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-12-06 19:04:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4804 transitions. [2021-12-06 19:04:02,542 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4804 transitions. Word has length 92 [2021-12-06 19:04:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:04:02,542 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4804 transitions. [2021-12-06 19:04:02,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 19:04:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4804 transitions. [2021-12-06 19:04:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-06 19:04:02,548 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:04:02,548 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:04:02,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:04:02,548 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:04:02,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:02,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1457908739, now seen corresponding path program 1 times [2021-12-06 19:04:02,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:04:02,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754922681] [2021-12-06 19:04:02,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:02,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:04:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:04:02,746 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:04:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:04:02,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:04:02,990 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:04:02,991 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:04:02,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:04:02,994 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-06 19:04:02,997 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:04:03,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:04:03 BoogieIcfgContainer [2021-12-06 19:04:03,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:04:03,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:04:03,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:04:03,105 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:04:03,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:03:54" (3/4) ... [2021-12-06 19:04:03,108 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:04:03,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:04:03,108 INFO L158 Benchmark]: Toolchain (without parser) took 13320.83ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 66.8MB in the beginning and 203.1MB in the end (delta: -136.3MB). Peak memory consumption was 140.0MB. Max. memory is 16.1GB. [2021-12-06 19:04:03,109 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:04:03,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1777.77ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 66.6MB in the beginning and 93.7MB in the end (delta: -27.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2021-12-06 19:04:03,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.09ms. Allocated memory is still 174.1MB. Free memory was 93.7MB in the beginning and 69.6MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 19:04:03,110 INFO L158 Benchmark]: Boogie Preprocessor took 155.55ms. Allocated memory is still 174.1MB. Free memory was 69.6MB in the beginning and 86.3MB in the end (delta: -16.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-12-06 19:04:03,110 INFO L158 Benchmark]: RCFGBuilder took 2289.02ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 86.3MB in the beginning and 69.9MB in the end (delta: 16.3MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2021-12-06 19:04:03,110 INFO L158 Benchmark]: TraceAbstraction took 8932.25ms. Allocated memory was 209.7MB in the beginning and 394.3MB in the end (delta: 184.5MB). Free memory was 68.9MB in the beginning and 203.1MB in the end (delta: -134.2MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2021-12-06 19:04:03,110 INFO L158 Benchmark]: Witness Printer took 2.68ms. Allocated memory is still 394.3MB. Free memory is still 203.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:04:03,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1777.77ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 66.6MB in the beginning and 93.7MB in the end (delta: -27.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.09ms. Allocated memory is still 174.1MB. Free memory was 93.7MB in the beginning and 69.6MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.55ms. Allocated memory is still 174.1MB. Free memory was 69.6MB in the beginning and 86.3MB in the end (delta: -16.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2289.02ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 86.3MB in the beginning and 69.9MB in the end (delta: 16.3MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8932.25ms. Allocated memory was 209.7MB in the beginning and 394.3MB in the end (delta: 184.5MB). Free memory was 68.9MB in the beginning and 203.1MB in the end (delta: -134.2MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. * Witness Printer took 2.68ms. Allocated memory is still 394.3MB. Free memory is still 203.1MB. There was no memory consumed. 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; VAL [__this_module={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, arg0={18446744073709551628:18446744073709551630}, arg0={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={73:0}, __this_module={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pf={305:-304}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pf={305:-304}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pf={305:-304}, pf->kind=4294967298, 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 TRUE (unsigned int )pf->kind == 2U [L6842] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pf={305:-304}, 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}] [L6843] __mptr___0 = (struct ppp_file const *)pf [L6844] pch = (struct channel *)__mptr___0 VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pch={305:-304}, pf={305:-304}, 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}] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pch={305:-304}, pf={305:-304}, 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}] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pch={305:-304}, pf={305:-304}, 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}] [L6895] FCALL down_read(& pch->chan_sem) [L6896] EXPR pch->chan [L6896] chan = pch->chan [L6897] err = -25 VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, chan={18446744073709551617:0}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pch={305:-304}, pf={305:-304}, 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}] [L6899] COND TRUE (unsigned long )chan != (unsigned long )((struct ppp_channel *)0) [L6900] EXPR chan->ops [L6900] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={-78:79}, \old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pch={305:-304}, pf={305:-304}, 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}] [L6900-L6902] COND TRUE (unsigned long )(chan->ops)->ioctl != (unsigned long )((int (* const )(struct ppp_channel * , unsigned int , unsigned long ))0) [L6904] EXPR chan->ops [L6904] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={-78:79}, \old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={62:0}, cmd=-3220933543, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551654:-2}, file={18446744073709551654:-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:-9223372036854775808}, pch={305:-304}, pf={305:-304}, 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}] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, cflags=-4, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, cflags=-4, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, cflags=-4, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=9223372036854775808, \old(cmd)=-3220933543, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=9223372036854775808, argp={0:-9223372036854775808}, cflags=-4, channel_count={62:0}, cmd=-3220933543, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-9223372036854775808}, 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=-3] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:-17}, xstate={-18446744073709551615:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:-17}, xstate={-18446744073709551615:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:-17}, xstate={-18446744073709551615:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:-17}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:-17}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [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={18446744073709551628:18446744073709551630}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, 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={18446744073709551628:18446744073709551630}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, 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={18446744073709551628:18446744073709551630}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, 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={18446744073709551628:18446744073709551630}, 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={18446744073709551628:18446744073709551630}, 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, 1447 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4360 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4037 mSDsluCounter, 17786 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11809 mSDsCounter, 900 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5351 IncrementalHoareTripleChecker+Invalid, 6251 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 900 mSolverCounterUnsat, 5977 mSDtfsCounter, 5351 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3390occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 722 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 267 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 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 [2021-12-06 19:04:03,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/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_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/config/AutomizerReach.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_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:04:04,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:04:04,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:04:04,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:04:04,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:04:04,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:04:04,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:04:04,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:04:04,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:04:04,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:04:04,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:04:04,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:04:04,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:04:04,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:04:04,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:04:04,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:04:04,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:04:04,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:04:04,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:04:04,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:04:04,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:04:04,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:04:04,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:04:04,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:04:04,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:04:04,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:04:04,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:04:04,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:04:04,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:04:04,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:04:04,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:04:04,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:04:04,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:04:04,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:04:04,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:04:04,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:04:04,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:04:04,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:04:04,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:04:04,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:04:04,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:04:04,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-06 19:04:04,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:04:04,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:04:04,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:04:04,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:04:04,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:04:04,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:04:04,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:04:04,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:04:04,843 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:04:04,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:04:04,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:04:04,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:04:04,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:04:04,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:04:04,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 19:04:04,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 19:04:04,845 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 19:04:04,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:04:04,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:04:04,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:04:04,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:04:04,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:04:04,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:04:04,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:04:04,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:04:04,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:04:04,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:04:04,847 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 19:04:04,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 19:04:04,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:04:04,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:04:04,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:04:04,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:04:04,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 19:04:04,849 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_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-06 19:04:05,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:04:05,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:04:05,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:04:05,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:04:05,112 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:04:05,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-06 19:04:05,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/52183d279/1da61351df2d43eba251cafb78ce2808/FLAGa534d907b [2021-12-06 19:04:05,805 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:04:05,805 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-06 19:04:05,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/52183d279/1da61351df2d43eba251cafb78ce2808/FLAGa534d907b [2021-12-06 19:04:06,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/data/52183d279/1da61351df2d43eba251cafb78ce2808 [2021-12-06 19:04:06,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:04:06,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:04:06,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:04:06,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:04:06,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:04:06,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:04:06" (1/1) ... [2021-12-06 19:04:06,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c62daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:06, skipping insertion in model container [2021-12-06 19:04:06,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:04:06" (1/1) ... [2021-12-06 19:04:06,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:04:06,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:04:07,908 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_f50c0a44-1435-4c6a-a50b-c34389035708/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-06 19:04:07,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:04:07,976 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 19:04:08,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:04:08,299 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_f50c0a44-1435-4c6a-a50b-c34389035708/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-06 19:04:08,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:04:08,330 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:04:08,588 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_f50c0a44-1435-4c6a-a50b-c34389035708/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-06 19:04:08,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:04:08,764 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:04:08,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08 WrapperNode [2021-12-06 19:04:08,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:04:08,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:04:08,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:04:08,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:04:08,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:08,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:08,932 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2021-12-06 19:04:08,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:04:08,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:04:08,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:04:08,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:04:08,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:08,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:08,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:08,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:09,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:09,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:09,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:09,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:04:09,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:04:09,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:04:09,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:04:09,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (1/1) ... [2021-12-06 19:04:09,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:04:09,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:04:09,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:04:09,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-06 19:04:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-06 19:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-06 19:04:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 19:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-06 19:04:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-06 19:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-06 19:04:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-06 19:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-06 19:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-06 19:04:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-06 19:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 19:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 19:04:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-06 19:04:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-06 19:04:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 19:04:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 19:04:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-06 19:04:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-06 19:04:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-06 19:04:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-06 19:04:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-06 19:04:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-06 19:04:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-06 19:04:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-06 19:04:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-06 19:04:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-06 19:04:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 19:04:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 19:04:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 19:04:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 19:04:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 19:04:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 19:04:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 19:04:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 19:04:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-06 19:04:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-06 19:04:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-06 19:04:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-06 19:04:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-06 19:04:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-06 19:04:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-06 19:04:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-06 19:04:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-06 19:04:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-06 19:04:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 19:04:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 19:04:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-06 19:04:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-06 19:04:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-06 19:04:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-06 19:04:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-06 19:04:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-06 19:04:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 19:04:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 19:04:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 19:04:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 19:04:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-06 19:04:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-06 19:04:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 19:04:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 19:04:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-06 19:04:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-06 19:04:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-06 19:04:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-06 19:04:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-06 19:04:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-06 19:04:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-06 19:04:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-06 19:04:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:04:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 19:04:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 19:04:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-06 19:04:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-06 19:04:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 19:04:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-06 19:04:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:04:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-06 19:04:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 19:04:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 19:04:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 19:04:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 19:04:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 19:04:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 19:04:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-06 19:04:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-06 19:04:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-06 19:04:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-06 19:04:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 19:04:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 19:04:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 19:04:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 19:04:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 19:04:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 19:04:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-06 19:04:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-06 19:04:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-06 19:04:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-06 19:04:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 19:04:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 19:04:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-06 19:04:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-06 19:04:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 19:04:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 19:04:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-06 19:04:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-06 19:04:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 19:04:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 19:04:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-06 19:04:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-06 19:04:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-06 19:04:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-06 19:04:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-06 19:04:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-06 19:04:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-06 19:04:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-06 19:04:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 19:04:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 19:04:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-06 19:04:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-06 19:04:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-06 19:04:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-06 19:04:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-06 19:04:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-06 19:04:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-06 19:04:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-06 19:04:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-06 19:04:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-06 19:04:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-06 19:04:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-06 19:04:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 19:04:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 19:04:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-06 19:04:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-06 19:04:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-06 19:04:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-06 19:04:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-06 19:04:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-06 19:04:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-06 19:04:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-06 19:04:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 19:04:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-06 19:04:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-06 19:04:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 19:04:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-06 19:04:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-06 19:04:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-06 19:04:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-06 19:04:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 19:04:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 19:04:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:04:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 19:04:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 19:04:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 19:04:09,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 19:04:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 19:04:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 19:04:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 19:04:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 19:04:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-06 19:04:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-06 19:04:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-06 19:04:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-06 19:04:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-06 19:04:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-06 19:04:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 19:04:09,158 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 19:04:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-06 19:04:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-06 19:04:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 19:04:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 19:04:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-06 19:04:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-06 19:04:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-06 19:04:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-06 19:04:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-06 19:04:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-06 19:04:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-06 19:04:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 19:04:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 19:04:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:04:09,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:04:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-06 19:04:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-06 19:04:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 19:04:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 19:04:09,538 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:04:09,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:04:12,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-06 19:04:12,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-06 19:04:22,439 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:04:22,443 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:04:22,446 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:04:22,447 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:04:22,453 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 19:04:32,327 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 [2021-12-06 19:04:32,327 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; [2021-12-06 19:04:32,327 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2021-12-06 19:04:32,327 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2021-12-06 19:04:32,327 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; [2021-12-06 19:04:32,328 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 [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2021-12-06 19:04:32,328 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2021-12-06 19:04:32,329 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2021-12-06 19:04:32,330 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2021-12-06 19:04:32,399 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:04:32,419 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:04:32,419 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-06 19:04:32,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:04:32 BoogieIcfgContainer [2021-12-06 19:04:32,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:04:32,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:04:32,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:04:32,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:04:32,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:04:06" (1/3) ... [2021-12-06 19:04:32,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afc1ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:04:32, skipping insertion in model container [2021-12-06 19:04:32,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:04:08" (2/3) ... [2021-12-06 19:04:32,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afc1ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:04:32, skipping insertion in model container [2021-12-06 19:04:32,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:04:32" (3/3) ... [2021-12-06 19:04:32,429 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-06 19:04:32,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:04:32,433 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:04:32,484 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:04:32,489 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=PETRI_NET, 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 [2021-12-06 19:04:32,489 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:04:32,531 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) [2021-12-06 19:04:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 19:04:32,534 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:04:32,534 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:04:32,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:04:32,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:32,539 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2021-12-06 19:04:32,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:04:32,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807820990] [2021-12-06 19:04:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:32,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:04:32,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:04:32,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:04:32,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 19:04:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:33,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:04:33,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:04:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:04:33,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:04:33,179 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:04:33,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807820990] [2021-12-06 19:04:33,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807820990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:33,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:33,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:04:33,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32305719] [2021-12-06 19:04:33,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:33,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:04:33,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:04:33,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:04:33,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:04:33,208 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) [2021-12-06 19:04:33,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:04:33,411 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2021-12-06 19:04:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:04:33,413 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 [2021-12-06 19:04:33,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:04:33,440 INFO L225 Difference]: With dead ends: 4250 [2021-12-06 19:04:33,440 INFO L226 Difference]: Without dead ends: 2804 [2021-12-06 19:04:33,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:04:33,454 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 [2021-12-06 19:04:33,455 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] [2021-12-06 19:04:33,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-12-06 19:04:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2021-12-06 19:04:33,613 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) [2021-12-06 19:04:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2021-12-06 19:04:33,633 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2021-12-06 19:04:33,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:04:33,633 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2021-12-06 19:04:33,634 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) [2021-12-06 19:04:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2021-12-06 19:04:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-06 19:04:33,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:04:33,644 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] [2021-12-06 19:04:33,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:04:33,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:04:33,845 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:04:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2021-12-06 19:04:33,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:04:33,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569902227] [2021-12-06 19:04:33,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:33,849 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:04:33,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:04:33,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:04:33,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 19:04:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:34,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:04:34,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:04:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 19:04:35,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:04:35,024 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:04:35,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569902227] [2021-12-06 19:04:35,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569902227] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:35,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:35,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:04:35,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135377135] [2021-12-06 19:04:35,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:35,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:04:35,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:04:35,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:04:35,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:04:35,027 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-06 19:04:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:04:35,261 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2021-12-06 19:04:35,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:04:35,262 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, (12), 1 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 74 [2021-12-06 19:04:35,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:04:35,277 INFO L225 Difference]: With dead ends: 5578 [2021-12-06 19:04:35,277 INFO L226 Difference]: Without dead ends: 2801 [2021-12-06 19:04:35,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:04:35,286 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, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:04:35,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:04:35,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-12-06 19:04:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-12-06 19:04:35,371 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) [2021-12-06 19:04:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2021-12-06 19:04:35,388 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2021-12-06 19:04:35,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:04:35,388 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2021-12-06 19:04:35,388 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-06 19:04:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2021-12-06 19:04:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 19:04:35,393 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:04:35,393 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] [2021-12-06 19:04:35,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 19:04:35,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:04:35,594 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:04:35,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:35,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2021-12-06 19:04:35,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:04:35,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756351318] [2021-12-06 19:04:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:35,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:04:35,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:04:35,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:04:35,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 19:04:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:36,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:04:36,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:04:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 19:04:36,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:04:36,773 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:04:36,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756351318] [2021-12-06 19:04:36,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756351318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:36,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:36,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:04:36,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674156945] [2021-12-06 19:04:36,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:36,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:04:36,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:04:36,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:04:36,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:04:36,775 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 19:04:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:04:36,985 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2021-12-06 19:04:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:04:36,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2021-12-06 19:04:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:04:37,007 INFO L225 Difference]: With dead ends: 6586 [2021-12-06 19:04:37,007 INFO L226 Difference]: Without dead ends: 3812 [2021-12-06 19:04:37,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:04:37,017 INFO L933 BasicCegarLoop]: 2334 mSDtfsCounter, 502 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:04:37,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 4331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:04:37,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2021-12-06 19:04:37,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2021-12-06 19:04:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2682 states have (on average 1.3434004474272931) internal successors, (3603), 2761 states have internal predecessors, (3603), 929 states have call successors, (929), 185 states have call predecessors, (929), 184 states have return successors, (933), 909 states have call predecessors, (933), 927 states have call successors, (933) [2021-12-06 19:04:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2021-12-06 19:04:37,215 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2021-12-06 19:04:37,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:04:37,215 INFO L470 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2021-12-06 19:04:37,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 19:04:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2021-12-06 19:04:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 19:04:37,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:04:37,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:04:37,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 19:04:37,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:04:37,437 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:04:37,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:04:37,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2021-12-06 19:04:37,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:04:37,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626369394] [2021-12-06 19:04:37,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:04:37,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:04:37,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:04:37,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:04:37,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 19:04:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:04:38,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:04:38,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:04:38,577 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-12-06 19:04:38,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2021-12-06 19:04:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-06 19:04:42,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:04:42,274 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 19:04:42,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626369394] [2021-12-06 19:04:42,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626369394] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:04:42,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:04:42,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:04:42,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526174690] [2021-12-06 19:04:42,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:04:42,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:04:42,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 19:04:42,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:04:42,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-06 19:04:42,275 INFO L87 Difference]: Start difference. First operand 3796 states and 5465 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 19:04:47,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:04:48,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:04:50,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:04:52,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:04:54,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:04:56,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:00,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:02,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:05,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:07,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:11,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:14,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:18,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:20,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:05:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:05:20,615 INFO L93 Difference]: Finished difference Result 7578 states and 10952 transitions. [2021-12-06 19:05:20,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:05:20,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 106 [2021-12-06 19:05:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:05:20,644 INFO L225 Difference]: With dead ends: 7578 [2021-12-06 19:05:20,644 INFO L226 Difference]: Without dead ends: 3810 [2021-12-06 19:05:20,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2021-12-06 19:05:20,660 INFO L933 BasicCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 5507 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7489 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:05:20,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7489 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 429 Invalid, 11 Unknown, 9 Unchecked, 36.1s Time] [2021-12-06 19:05:20,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2021-12-06 19:05:20,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3804. [2021-12-06 19:05:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 2688 states have (on average 1.3433779761904763) internal successors, (3611), 2767 states have internal predecessors, (3611), 931 states have call successors, (931), 185 states have call predecessors, (931), 184 states have return successors, (935), 911 states have call predecessors, (935), 929 states have call successors, (935) [2021-12-06 19:05:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2021-12-06 19:05:20,792 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2021-12-06 19:05:20,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:05:20,793 INFO L470 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2021-12-06 19:05:20,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 19:05:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2021-12-06 19:05:20,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-06 19:05:20,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:05:20,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:05:20,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 19:05:20,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:05:20,999 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:05:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:05:20,999 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2021-12-06 19:05:21,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 19:05:21,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328729571] [2021-12-06 19:05:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:05:21,000 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 19:05:21,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 19:05:21,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 19:05:21,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 19:05:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:05:38,199 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:06:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:06:17,470 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 19:06:17,470 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:06:17,471 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:06:17,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 19:06:17,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 19:06:17,682 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 19:06:17,689 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:06:17,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:06:17 BoogieIcfgContainer [2021-12-06 19:06:17,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:06:17,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:06:17,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:06:17,838 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:06:17,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:04:32" (3/4) ... [2021-12-06 19:06:17,840 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:06:17,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:06:17,855 INFO L158 Benchmark]: Toolchain (without parser) took 131671.40ms. Allocated memory was 56.6MB in the beginning and 234.9MB in the end (delta: 178.3MB). Free memory was 34.3MB in the beginning and 59.9MB in the end (delta: -25.6MB). Peak memory consumption was 149.6MB. Max. memory is 16.1GB. [2021-12-06 19:06:17,855 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:06:17,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2591.51ms. Allocated memory was 56.6MB in the beginning and 148.9MB in the end (delta: 92.3MB). Free memory was 33.9MB in the beginning and 78.1MB in the end (delta: -44.2MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2021-12-06 19:06:17,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.84ms. Allocated memory is still 148.9MB. Free memory was 78.1MB in the beginning and 56.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 19:06:17,856 INFO L158 Benchmark]: Boogie Preprocessor took 155.54ms. Allocated memory was 148.9MB in the beginning and 234.9MB in the end (delta: 86.0MB). Free memory was 56.1MB in the beginning and 154.8MB in the end (delta: -98.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-12-06 19:06:17,857 INFO L158 Benchmark]: RCFGBuilder took 23334.89ms. Allocated memory is still 234.9MB. Free memory was 154.8MB in the beginning and 136.9MB in the end (delta: 17.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2021-12-06 19:06:17,857 INFO L158 Benchmark]: TraceAbstraction took 105412.33ms. Allocated memory is still 234.9MB. Free memory was 136.9MB in the beginning and 59.9MB in the end (delta: 77.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2021-12-06 19:06:17,857 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 234.9MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:06:17,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2591.51ms. Allocated memory was 56.6MB in the beginning and 148.9MB in the end (delta: 92.3MB). Free memory was 33.9MB in the beginning and 78.1MB in the end (delta: -44.2MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.84ms. Allocated memory is still 148.9MB. Free memory was 78.1MB in the beginning and 56.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.54ms. Allocated memory was 148.9MB in the beginning and 234.9MB in the end (delta: 86.0MB). Free memory was 56.1MB in the beginning and 154.8MB in the end (delta: -98.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * RCFGBuilder took 23334.89ms. Allocated memory is still 234.9MB. Free memory was 154.8MB in the beginning and 136.9MB in the end (delta: 17.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 105412.33ms. Allocated memory is still 234.9MB. Free memory was 136.9MB in the beginning and 59.9MB in the end (delta: 77.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 234.9MB. Free memory is still 59.9MB. There was no memory consumed. 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, arg0={0:134217728}, arg0={0:134217728}, arg1={20:0}, arg1={20:0}, arg2={72:0}, arg2={72:0}, 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={72:0}, __this_module={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={72:0}, __this_module={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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={0:134217728}, 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)=1074033724, __this_module={0:134217728}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={72:0}, code___0={104:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:288230376151727995}, file={0:288230376151727995}, idle={126:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={87:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:288230376151728272}, 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)=1074033724, __this_module={0:134217728}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={72:0}, code___0={104:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:288230376151727995}, file={0:288230376151727995}, idle={126:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={87:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:288230376151728272}, 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 TRUE cmd == 1074033724U [L6806] err = -22 VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:134217728}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={72:0}, code___0={104:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:288230376151727995}, file={0:288230376151727995}, idle={126:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={87:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:288230376151728272}, 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}] [L6807] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:134217728}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={72:0}, code___0={104:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:288230376151727995}, file={0:288230376151727995}, idle={126:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={87:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:288230376151728272}, 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}] [L6809] EXPR pf->kind VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:134217728}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={72:0}, code___0={104:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:288230376151727995}, file={0:288230376151727995}, idle={126:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={87:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:288230376151728272}, pf->kind=-2147483647, 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}] [L6809] COND FALSE !((unsigned int )pf->kind == 1U) [L6821] CALL, EXPR atomic_long_read(& file->f_count) VAL [__this_module={0:134217728}, 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}] [L5267] atomic64_t *v ; [L5268] long tmp ; [L5271] v = l [L5272] CALL, EXPR atomic64_read((atomic64_t const *)v) [L5263] EXPR v->counter [L5263] return ((long )*((long volatile *)(& v->counter))); [L5272] RET, EXPR atomic64_read((atomic64_t const *)v) [L5272] tmp = atomic64_read((atomic64_t const *)v) [L5274] return (tmp); VAL [\result=0, __this_module={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, l={0:288230376151728107}, l={0:288230376151728107}, 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, v={0:288230376151728107}] [L6821] RET, EXPR atomic_long_read(& file->f_count) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:134217728}, arg=71, argp={0:71}, atomic_long_read(& file->f_count)=0, channel_count={62:0}, cmd=1074033724, code={72:0}, code___0={104:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:288230376151727995}, file={0:288230376151727995}, idle={126:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={87:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:288230376151728272}, 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}] [L6821] tmp___2 = atomic_long_read(& file->f_count) [L6823] COND TRUE tmp___2 <= 2L VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:134217728}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={72:0}, code___0={104:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:288230376151727995}, file={0:288230376151727995}, idle={126:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={87:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:288230376151728272}, 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___2=0] [L6825] CALL ppp_release((struct inode *)0, file) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:288230376151727995}, 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}, unused={0:0}] [L6335] struct ppp_file *pf ; [L6336] struct ppp *ppp ; [L6337] struct ppp_file const *__mptr ; [L6338] struct ppp_file const *__mptr___0 ; [L6339] struct ppp_file const *__mptr___1 ; [L6340] int tmp ; [L6342] EXPR file->private_data [L6342] pf = (struct ppp_file *)file->private_data [L6343] COND TRUE (unsigned long )pf != (unsigned long )((struct ppp_file *)0) [L6344] file->private_data = (void *)0 [L6345] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:288230376151727995}, file={0:288230376151727995}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:288230376151728272}, 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}, unused={0:0}, unused={0:0}] [L6345] COND TRUE (unsigned int )pf->kind == 1U [L6346] __mptr = (struct ppp_file const *)pf [L6347] ppp = (struct ppp *)__mptr [L6348] EXPR ppp->owner VAL [\old(ldv_module_refcounter)=1, __mptr={0:288230376151728272}, __this_module={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:288230376151727995}, file={0:288230376151727995}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:288230376151728272}, ppp={0:288230376151728272}, ppp->owner={0:-6917529027641080832}, 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}, unused={0:0}, unused={0:0}] [L6348] COND FALSE !((unsigned long )ppp->owner == (unsigned long )file) [L6357] CALL, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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}, v={0:288230376151728536}] [L5253] unsigned char c ; [L5257] return ((unsigned int )c != 0U); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={0:134217728}, c=2, 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}, v={0:288230376151728536}, v={0:288230376151728536}] [L6357] RET, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __mptr={0:288230376151728272}, __this_module={0:134217728}, atomic_dec_and_test(& pf->refcnt)=1, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:288230376151727995}, file={0:288230376151727995}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:288230376151728272}, ppp={0:288230376151728272}, 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}, unused={0:0}, unused={0:0}] [L6357] tmp = atomic_dec_and_test(& pf->refcnt) [L6359] COND TRUE tmp != 0 [L6360] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __mptr={0:288230376151728272}, __this_module={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:288230376151727995}, file={0:288230376151727995}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:288230376151728272}, pf->kind=1, ppp={0:288230376151728272}, 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=1, unused={0:0}, unused={0:0}] [L6360] COND TRUE (int )((unsigned int )pf->kind) == 1 [L6369] __mptr___0 = (struct ppp_file const *)pf VAL [\old(ldv_module_refcounter)=1, __mptr={0:288230376151728272}, __mptr___0={0:288230376151728272}, __this_module={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:288230376151727995}, file={0:288230376151727995}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:288230376151728272}, ppp={0:288230376151728272}, 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=1, unused={0:0}, unused={0:0}] [L6370] CALL ppp_destroy_interface((struct ppp *)__mptr___0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:288230376151728272}, 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}] [L10292] FCALL atomic_dec(& ppp_unit_count) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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}] [L10294] EXPR ppp->file.dead VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, ppp->file.dead=-2147483648, 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}] [L10294] COND FALSE !(ppp->file.dead == 0) [L10301] EXPR ppp->n_channels VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, ppp->n_channels=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}] [L10301] COND FALSE !(ppp->n_channels != 0) [L10310] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:288230376151728272}, 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={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={0:134217728}, 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={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={0:134217728}, 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={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={4503599627370496:0}, rstate={0:0}, xcomp={0:-8}, xstate={-9223372036854775808:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={4503599627370496:0}, rstate={0:0}, xcomp={0:-8}, xstate={-9223372036854775808:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={4503599627370496:0}, rstate={0:0}, xcomp={0:-8}, xstate={-9223372036854775808:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={4503599627370496:0}, rstate={0:0}, xcomp={0:-8}, xcomp->comp_free={9223372036854775806:12}, xstate={-9223372036854775808:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:134217728}, 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={0:134217728}, 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={0:288230376151728272}, ppp={0:288230376151728272}, 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={4503599627370496:0}, rstate={0:0}, xcomp={0:-8}, xcomp->comp_free={9223372036854775806:12}, xstate={-9223372036854775808:0}] [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={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223370937343148032}, 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={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223370937343148032}, module={0:-9223370937343148032}, 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={0:134217728}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223370937343148032}, module={0:-9223370937343148032}, 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={0:134217728}, 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={0:134217728}, 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: 105.2s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 39.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 2641 SdHoareTripleChecker+Valid, 36.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2487 mSDsluCounter, 24037 SdHoareTripleChecker+Invalid, 35.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 9 IncrementalHoareTripleChecker+Unchecked, 15391 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 471 IncrementalHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8646 mSDtfsCounter, 471 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3804occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 18.9s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 277 ConstructedInterpolants, 1 QuantifiedInterpolants, 491 SizeOfPredicates, 5 NumberOfNonLiveVariables, 5225 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 24/24 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 [2021-12-06 19:06:17,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50c0a44-1435-4c6a-a50b-c34389035708/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample