./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-?-eb692b5 [2022-07-19 22:22:33,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:22:33,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:22:33,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:22:33,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:22:33,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:22:33,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:22:33,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:22:33,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:22:33,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:22:33,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:22:33,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:22:33,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:22:33,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:22:33,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:22:33,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:22:33,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:22:33,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:22:33,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:22:33,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:22:33,482 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:22:33,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:22:33,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:22:33,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:22:33,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:22:33,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:22:33,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:22:33,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:22:33,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:22:33,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:22:33,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:22:33,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:22:33,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:22:33,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:22:33,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:22:33,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:22:33,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:22:33,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:22:33,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:22:33,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:22:33,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:22:33,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:22:33,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 22:22:33,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:22:33,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:22:33,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:22:33,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:22:33,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:22:33,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:22:33,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:22:33,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:22:33,537 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:22:33,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:22:33,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 22:22:33,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:22:33,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:22:33,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:22:33,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:22:33,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:22:33,538 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:22:33,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:22:33,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:22:33,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:22:33,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:22:33,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:22:33,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:22:33,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:22:33,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:22:33,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 22:22:33,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 22:22:33,541 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:22:33,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:22:33,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:22:33,542 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-19 22:22:33,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:22:33,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:22:33,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:22:33,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:22:33,729 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:22:33,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-19 22:22:33,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72cf331e/a363d167760546d78d6f1a725b25db54/FLAG1346e6261 [2022-07-19 22:22:34,355 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:22:34,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-19 22:22:34,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72cf331e/a363d167760546d78d6f1a725b25db54/FLAG1346e6261 [2022-07-19 22:22:34,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72cf331e/a363d167760546d78d6f1a725b25db54 [2022-07-19 22:22:34,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:22:34,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:22:34,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:22:34,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:22:34,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:22:34,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:22:34" (1/1) ... [2022-07-19 22:22:34,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4947a4f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:34, skipping insertion in model container [2022-07-19 22:22:34,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:22:34" (1/1) ... [2022-07-19 22:22:34,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:22:34,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:22:35,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-19 22:22:35,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:22:35,956 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:22:36,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-19 22:22:36,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:22:36,375 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:22:36,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36 WrapperNode [2022-07-19 22:22:36,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:22:36,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:22:36,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:22:36,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:22:36,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,580 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4270 [2022-07-19 22:22:36,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:22:36,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:22:36,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:22:36,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:22:36,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:22:36,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:22:36,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:22:36,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:22:36,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (1/1) ... [2022-07-19 22:22:36,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:22:36,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:22:36,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 22:22:36,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 22:22:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-19 22:22:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-19 22:22:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-19 22:22:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-19 22:22:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-19 22:22:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-19 22:22:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-19 22:22:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-19 22:22:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-19 22:22:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-19 22:22:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-19 22:22:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 22:22:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-19 22:22:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-19 22:22:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 22:22:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-19 22:22:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-19 22:22:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-19 22:22:36,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-19 22:22:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-19 22:22:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-19 22:22:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-19 22:22:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-19 22:22:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-19 22:22:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-19 22:22:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-19 22:22:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-19 22:22:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-19 22:22:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-19 22:22:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 22:22:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 22:22:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 22:22:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 22:22:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-19 22:22:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-19 22:22:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-19 22:22:36,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-19 22:22:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-19 22:22:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-19 22:22:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-19 22:22:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-19 22:22:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 22:22:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 22:22:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-19 22:22:36,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-19 22:22:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-19 22:22:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-19 22:22:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-19 22:22:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-19 22:22:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 22:22:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 22:22:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 22:22:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 22:22:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-19 22:22:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-19 22:22:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 22:22:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 22:22:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-19 22:22:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-19 22:22:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-19 22:22:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-19 22:22:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-19 22:22:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-19 22:22:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-19 22:22:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-19 22:22:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:22:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 22:22:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 22:22:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-19 22:22:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-19 22:22:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-19 22:22:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-19 22:22:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-19 22:22:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-19 22:22:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-19 22:22:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 22:22:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-19 22:22:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-19 22:22:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-19 22:22:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-19 22:22:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 22:22:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-19 22:22:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-19 22:22:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 22:22:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 22:22:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-19 22:22:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-19 22:22:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-19 22:22:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-19 22:22:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 22:22:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 22:22:37,396 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:22:37,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:22:37,694 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-19 22:22:37,694 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-19 22:22:38,267 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:38,270 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:38,271 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:38,648 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-07-19 22:22:38,648 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-07-19 22:22:38,648 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume false; [2022-07-19 22:22:38,648 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume !false; [2022-07-19 22:22:38,648 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-07-19 22:22:38,648 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-07-19 22:22:38,649 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-07-19 22:22:38,649 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-07-19 22:22:38,649 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-07-19 22:22:38,649 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-07-19 22:22:38,649 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-07-19 22:22:38,649 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-07-19 22:22:38,649 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-07-19 22:22:38,650 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-07-19 22:22:38,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-07-19 22:22:38,652 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-07-19 22:22:38,652 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-07-19 22:22:38,652 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-07-19 22:22:38,768 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:38,772 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:22:39,332 INFO L764 $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 [2022-07-19 22:22:39,332 INFO L764 $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; [2022-07-19 22:22:39,333 INFO L764 $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; [2022-07-19 22:22:39,333 INFO L764 $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 [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-07-19 22:22:39,333 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-07-19 22:22:39,378 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:22:39,390 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:22:39,390 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-19 22:22:39,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:22:39 BoogieIcfgContainer [2022-07-19 22:22:39,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:22:39,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:22:39,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:22:39,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:22:39,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:22:34" (1/3) ... [2022-07-19 22:22:39,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e6aa75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:22:39, skipping insertion in model container [2022-07-19 22:22:39,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:36" (2/3) ... [2022-07-19 22:22:39,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e6aa75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:22:39, skipping insertion in model container [2022-07-19 22:22:39,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:22:39" (3/3) ... [2022-07-19 22:22:39,401 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-19 22:22:39,413 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:22:39,413 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:22:39,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:22:39,486 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@611d285a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@737c68c0 [2022-07-19 22:22:39,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:22:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 1467 states, 1040 states have (on average 1.364423076923077) internal successors, (1419), 1075 states have internal predecessors, (1419), 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) [2022-07-19 22:22:39,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-19 22:22:39,499 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:22:39,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:22:39,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:22:39,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:22:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1853015897, now seen corresponding path program 1 times [2022-07-19 22:22:39,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:22:39,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358850945] [2022-07-19 22:22:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:22:39,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:22:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:39,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 22:22:39,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:22:39,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358850945] [2022-07-19 22:22:39,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358850945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:22:39,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:22:39,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 22:22:39,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155216846] [2022-07-19 22:22:39,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:22:39,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 22:22:39,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:22:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 22:22:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 22:22:39,768 INFO L87 Difference]: Start difference. First operand has 1467 states, 1040 states have (on average 1.364423076923077) internal successors, (1419), 1075 states have internal predecessors, (1419), 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) [2022-07-19 22:22:39,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:22:39,983 INFO L93 Difference]: Finished difference Result 4355 states and 6322 transitions. [2022-07-19 22:22:39,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 22:22:39,985 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 [2022-07-19 22:22:39,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:22:40,006 INFO L225 Difference]: With dead ends: 4355 [2022-07-19 22:22:40,007 INFO L226 Difference]: Without dead ends: 2874 [2022-07-19 22:22:40,018 INFO L412 NwaCegarLoop]: 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 [2022-07-19 22:22:40,021 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 2021 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 4399 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 [2022-07-19 22:22:40,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 4399 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:22:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-19 22:22:40,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2871. [2022-07-19 22:22:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2029 states have (on average 1.3262690980778709) internal successors, (2691), 2096 states have internal predecessors, (2691), 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) [2022-07-19 22:22:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 3997 transitions. [2022-07-19 22:22:40,206 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 3997 transitions. Word has length 12 [2022-07-19 22:22:40,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:22:40,206 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 3997 transitions. [2022-07-19 22:22:40,206 INFO L496 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) [2022-07-19 22:22:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3997 transitions. [2022-07-19 22:22:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-19 22:22:40,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:22:40,214 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:22:40,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 22:22:40,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:22:40,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:22:40,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1353128840, now seen corresponding path program 1 times [2022-07-19 22:22:40,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:22:40,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265504424] [2022-07-19 22:22:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:22:40,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:22:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 22:22:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 22:22:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 22:22:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 22:22:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 22:22:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 22:22:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 22:22:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 22:22:40,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:22:40,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265504424] [2022-07-19 22:22:40,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265504424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:22:40,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:22:40,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 22:22:40,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556696305] [2022-07-19 22:22:40,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:22:40,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 22:22:40,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:22:40,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 22:22:40,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 22:22:40,366 INFO L87 Difference]: Start difference. First operand 2871 states and 3997 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 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) [2022-07-19 22:22:43,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:22:43,218 INFO L93 Difference]: Finished difference Result 6354 states and 8980 transitions. [2022-07-19 22:22:43,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 22:22:43,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 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 [2022-07-19 22:22:43,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:22:43,235 INFO L225 Difference]: With dead ends: 6354 [2022-07-19 22:22:43,235 INFO L226 Difference]: Without dead ends: 3510 [2022-07-19 22:22:43,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 22:22:43,245 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 917 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-19 22:22:43,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 3650 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-19 22:22:43,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2022-07-19 22:22:43,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3150. [2022-07-19 22:22:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2250 states have (on average 1.3328888888888888) internal successors, (2999), 2319 states have internal predecessors, (2999), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-07-19 22:22:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4422 transitions. [2022-07-19 22:22:43,348 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4422 transitions. Word has length 74 [2022-07-19 22:22:43,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:22:43,348 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4422 transitions. [2022-07-19 22:22:43,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 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) [2022-07-19 22:22:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4422 transitions. [2022-07-19 22:22:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-19 22:22:43,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:22:43,355 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:22:43,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 22:22:43,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:22:43,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:22:43,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1496577686, now seen corresponding path program 1 times [2022-07-19 22:22:43,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:22:43,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946718966] [2022-07-19 22:22:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:22:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:22:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 22:22:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 22:22:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 22:22:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 22:22:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 22:22:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 22:22:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 22:22:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 22:22:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 22:22:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:22:43,730 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 22:22:43,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 22:22:43,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946718966] [2022-07-19 22:22:43,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946718966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:22:43,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:22:43,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 22:22:43,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170062535] [2022-07-19 22:22:43,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:22:43,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 22:22:43,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 22:22:43,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 22:22:43,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 22:22:43,733 INFO L87 Difference]: Start difference. First operand 3150 states and 4422 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) [2022-07-19 22:22:47,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:22:47,247 INFO L93 Difference]: Finished difference Result 6620 states and 9377 transitions. [2022-07-19 22:22:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 22:22:47,248 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 [2022-07-19 22:22:47,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:22:47,296 INFO L225 Difference]: With dead ends: 6620 [2022-07-19 22:22:47,299 INFO L226 Difference]: Without dead ends: 3494 [2022-07-19 22:22:47,314 INFO L412 NwaCegarLoop]: 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 [2022-07-19 22:22:47,315 INFO L413 NwaCegarLoop]: 1816 mSDtfsCounter, 746 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 6325 SdHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-19 22:22:47,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 6325 Invalid, 3592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-19 22:22:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2022-07-19 22:22:47,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3150. [2022-07-19 22:22:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2250 states have (on average 1.332) internal successors, (2997), 2317 states have internal predecessors, (2997), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-07-19 22:22:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4420 transitions. [2022-07-19 22:22:47,434 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4420 transitions. Word has length 92 [2022-07-19 22:22:47,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:22:47,434 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4420 transitions. [2022-07-19 22:22:47,434 INFO L496 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) [2022-07-19 22:22:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4420 transitions. [2022-07-19 22:22:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-19 22:22:47,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:22:47,439 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:22:47,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 22:22:47,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:22:47,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:22:47,440 INFO L85 PathProgramCache]: Analyzing trace with hash -722462712, now seen corresponding path program 1 times [2022-07-19 22:22:47,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 22:22:47,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785639394] [2022-07-19 22:22:47,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:22:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 22:22:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:22:48,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 22:22:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:22:48,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 22:22:48,430 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 22:22:48,431 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 22:22:48,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 22:22:48,435 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-19 22:22:48,438 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 22:22:48,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:22:48 BoogieIcfgContainer [2022-07-19 22:22:48,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 22:22:48,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 22:22:48,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 22:22:48,590 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 22:22:48,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:22:39" (3/4) ... [2022-07-19 22:22:48,593 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 22:22:48,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 22:22:48,594 INFO L158 Benchmark]: Toolchain (without parser) took 14074.95ms. Allocated memory was 151.0MB in the beginning and 683.7MB in the end (delta: 532.7MB). Free memory was 108.8MB in the beginning and 241.7MB in the end (delta: -133.0MB). Peak memory consumption was 399.4MB. Max. memory is 16.1GB. [2022-07-19 22:22:48,594 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:22:48,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1855.47ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 108.5MB in the beginning and 156.1MB in the end (delta: -47.6MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2022-07-19 22:22:48,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.80ms. Allocated memory is still 237.0MB. Free memory was 156.1MB in the beginning and 130.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-19 22:22:48,597 INFO L158 Benchmark]: Boogie Preprocessor took 172.75ms. Allocated memory is still 237.0MB. Free memory was 130.9MB in the beginning and 104.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-19 22:22:48,597 INFO L158 Benchmark]: RCFGBuilder took 2637.20ms. Allocated memory was 237.0MB in the beginning and 390.1MB in the end (delta: 153.1MB). Free memory was 104.7MB in the beginning and 255.5MB in the end (delta: -150.7MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2022-07-19 22:22:48,597 INFO L158 Benchmark]: TraceAbstraction took 9195.68ms. Allocated memory was 390.1MB in the beginning and 683.7MB in the end (delta: 293.6MB). Free memory was 254.4MB in the beginning and 242.8MB in the end (delta: 11.6MB). Peak memory consumption was 306.3MB. Max. memory is 16.1GB. [2022-07-19 22:22:48,597 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 683.7MB. Free memory was 242.8MB in the beginning and 241.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:22:48,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1855.47ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 108.5MB in the beginning and 156.1MB in the end (delta: -47.6MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.80ms. Allocated memory is still 237.0MB. Free memory was 156.1MB in the beginning and 130.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.75ms. Allocated memory is still 237.0MB. Free memory was 130.9MB in the beginning and 104.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2637.20ms. Allocated memory was 237.0MB in the beginning and 390.1MB in the end (delta: 153.1MB). Free memory was 104.7MB in the beginning and 255.5MB in the end (delta: -150.7MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9195.68ms. Allocated memory was 390.1MB in the beginning and 683.7MB in the end (delta: 293.6MB). Free memory was 254.4MB in the beginning and 242.8MB in the end (delta: 11.6MB). Peak memory consumption was 306.3MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 683.7MB. Free memory was 242.8MB in the beginning and 241.7MB in the end (delta: 1.0MB). 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, overapproximation of bitwiseComplement at line 7045. 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, arg0={18446744073709551858:18446744073709551900}, arg0={18446744073709551858:18446744073709551900}, arg1={20:0}, arg1={20:0}, arg2={105:0}, arg2={105:0}, 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={105:0}, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={105:0}, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6840] COND TRUE (unsigned int )pf->kind == 2U [L6842] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6843] __mptr___0 = (struct ppp_file const *)pf [L6844] pch = (struct channel *)__mptr___0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6895] FCALL down_read(& pch->chan_sem) [L6896] EXPR pch->chan [L6896] chan = pch->chan [L6897] err = -25 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [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={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551902:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [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={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551902:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, 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}, val = val & 65535=18446744073709551880] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, pf->kind=-8589934591, 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 = val & 65535=18446744073709551880] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, pf->kind=-8589934591, 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 = val & 65535=18446744073709551880] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xcomp->comp_free={-1:12}, xstate={-18446744073709551689:74}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xcomp->comp_free={-1:12}, xstate={-18446744073709551689:74}] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, 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}, val = val & 65535=18446744073709551880] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, module={84:-83}, 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}, val = val & 65535=18446744073709551880] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, module={84:-83}, 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}, val = val & 65535=18446744073709551880] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1467 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3985 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3684 mSDsluCounter, 14374 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8347 mSDsCounter, 791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4829 IncrementalHoareTripleChecker+Invalid, 5620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 791 mSolverCounterUnsat, 6027 mSDtfsCounter, 4829 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3150occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 707 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 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 [2022-07-19 22:22:48,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-?-eb692b5 [2022-07-19 22:22:50,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:22:50,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:22:50,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:22:50,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:22:50,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:22:50,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:22:50,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:22:50,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:22:50,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:22:50,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:22:50,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:22:50,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:22:50,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:22:50,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:22:50,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:22:50,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:22:50,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:22:50,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:22:50,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:22:50,640 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:22:50,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:22:50,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:22:50,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:22:50,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:22:50,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:22:50,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:22:50,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:22:50,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:22:50,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:22:50,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:22:50,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:22:50,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:22:50,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:22:50,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:22:50,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:22:50,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:22:50,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:22:50,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:22:50,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:22:50,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:22:50,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:22:50,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 22:22:50,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:22:50,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:22:50,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:22:50,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:22:50,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:22:50,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:22:50,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:22:50,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:22:50,690 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:22:50,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:22:50,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:22:50,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:22:50,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:22:50,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:22:50,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 22:22:50,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:22:50,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:22:50,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:22:50,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:22:50,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:22:50,700 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 22:22:50,700 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 22:22:50,700 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:22:50,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:22:50,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:22:50,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 22:22:50,700 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-19 22:22:50,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:22:51,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:22:51,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:22:51,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:22:51,003 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:22:51,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-19 22:22:51,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0cf5170/b091a930b9944bf2bb0729f95bdac4b6/FLAG42f85b53e [2022-07-19 22:22:51,611 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:22:51,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-19 22:22:51,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0cf5170/b091a930b9944bf2bb0729f95bdac4b6/FLAG42f85b53e [2022-07-19 22:22:51,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0cf5170/b091a930b9944bf2bb0729f95bdac4b6 [2022-07-19 22:22:51,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:22:51,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:22:51,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:22:51,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:22:51,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:22:51,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:22:51" (1/1) ... [2022-07-19 22:22:51,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d657426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:51, skipping insertion in model container [2022-07-19 22:22:51,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:22:51" (1/1) ... [2022-07-19 22:22:51,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:22:51,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:22:53,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-19 22:22:53,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:22:53,420 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 22:22:53,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:22:53,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-19 22:22:53,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:22:53,691 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:22:53,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-19 22:22:53,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:22:54,084 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:22:54,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54 WrapperNode [2022-07-19 22:22:54,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:22:54,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:22:54,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:22:54,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:22:54,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,274 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2022-07-19 22:22:54,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:22:54,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:22:54,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:22:54,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:22:54,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:22:54,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:22:54,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:22:54,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:22:54,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (1/1) ... [2022-07-19 22:22:54,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:22:54,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:22:54,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 22:22:54,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 22:22:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-19 22:22:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-19 22:22:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 22:22:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-19 22:22:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-19 22:22:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-19 22:22:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-19 22:22:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-19 22:22:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-19 22:22:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-19 22:22:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-19 22:22:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-19 22:22:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-19 22:22:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-19 22:22:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-19 22:22:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-19 22:22:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-19 22:22:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-19 22:22:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-19 22:22:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-19 22:22:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-19 22:22:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 22:22:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 22:22:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 22:22:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 22:22:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-19 22:22:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-19 22:22:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-19 22:22:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-19 22:22:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-19 22:22:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-19 22:22:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-19 22:22:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-19 22:22:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-19 22:22:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-19 22:22:54,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 22:22:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 22:22:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-19 22:22:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-19 22:22:54,512 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-19 22:22:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-19 22:22:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-19 22:22:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-19 22:22:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 22:22:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 22:22:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 22:22:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 22:22:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-19 22:22:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-19 22:22:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 22:22:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 22:22:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-19 22:22:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-19 22:22:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-19 22:22:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-19 22:22:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-19 22:22:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-19 22:22:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-19 22:22:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-19 22:22:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:22:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 22:22:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 22:22:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-19 22:22:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-19 22:22:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 22:22:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-19 22:22:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-19 22:22:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-19 22:22:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-19 22:22:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:22:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-19 22:22:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-19 22:22:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-19 22:22:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-19 22:22:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 22:22:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-19 22:22:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-19 22:22:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-19 22:22:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-19 22:22:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-19 22:22:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 22:22:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 22:22:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 22:22:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 22:22:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 22:22:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 22:22:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-19 22:22:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-19 22:22:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-19 22:22:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-19 22:22:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 22:22:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 22:22:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-19 22:22:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-19 22:22:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-19 22:22:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-19 22:22:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-19 22:22:54,525 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-19 22:22:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-19 22:22:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 22:22:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 22:22:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-19 22:22:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-19 22:22:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-19 22:22:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-19 22:22:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 22:22:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 22:22:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 22:22:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 22:22:54,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 22:22:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 22:22:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-19 22:22:54,529 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-19 22:22:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 22:22:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-19 22:22:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-19 22:22:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 22:22:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-19 22:22:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:22:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:22:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-19 22:22:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-19 22:22:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-19 22:22:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-19 22:22:55,104 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:22:55,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:22:57,956 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-19 22:22:57,956 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-19 22:23:07,541 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:23:07,543 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:23:07,545 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:23:07,546 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:23:07,550 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-19 22:23:17,966 INFO L764 $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 [2022-07-19 22:23:17,967 INFO L764 $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; [2022-07-19 22:23:17,967 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2022-07-19 22:23:17,967 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2022-07-19 22:23:17,967 INFO L764 $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; [2022-07-19 22:23:17,967 INFO L764 $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 [2022-07-19 22:23:17,967 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2022-07-19 22:23:17,967 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2022-07-19 22:23:17,968 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-19 22:23:17,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2022-07-19 22:23:17,970 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2022-07-19 22:23:17,971 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2022-07-19 22:23:17,971 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2022-07-19 22:23:17,971 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2022-07-19 22:23:17,971 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2022-07-19 22:23:17,971 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2022-07-19 22:23:17,971 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2022-07-19 22:23:17,987 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2022-07-19 22:23:17,987 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2022-07-19 22:23:18,056 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:23:18,086 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:23:18,086 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-19 22:23:18,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:23:18 BoogieIcfgContainer [2022-07-19 22:23:18,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:23:18,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:23:18,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:23:18,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:23:18,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:22:51" (1/3) ... [2022-07-19 22:23:18,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbb7cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:23:18, skipping insertion in model container [2022-07-19 22:23:18,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:22:54" (2/3) ... [2022-07-19 22:23:18,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbb7cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:23:18, skipping insertion in model container [2022-07-19 22:23:18,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:23:18" (3/3) ... [2022-07-19 22:23:18,109 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-19 22:23:18,119 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:23:18,135 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:23:18,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:23:18,199 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37b803e3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@60c09c39 [2022-07-19 22:23:18,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:23:18,207 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) [2022-07-19 22:23:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-19 22:23:18,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:18,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:23:18,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:18,217 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2022-07-19 22:23:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:23:18,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319729608] [2022-07-19 22:23:18,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:18,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:23:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:23:18,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 22:23:18,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 22:23:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:18,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 22:23:18,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:23:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 22:23:18,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:23:18,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:23:18,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319729608] [2022-07-19 22:23:18,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319729608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:18,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:18,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 22:23:18,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116202894] [2022-07-19 22:23:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:19,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 22:23:19,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:23:19,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 22:23:19,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 22:23:19,033 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) [2022-07-19 22:23:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:19,252 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2022-07-19 22:23:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 22:23:19,254 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 [2022-07-19 22:23:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:19,272 INFO L225 Difference]: With dead ends: 4250 [2022-07-19 22:23:19,273 INFO L226 Difference]: Without dead ends: 2804 [2022-07-19 22:23:19,281 INFO L412 NwaCegarLoop]: 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 [2022-07-19 22:23:19,283 INFO L413 NwaCegarLoop]: 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 [2022-07-19 22:23:19,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 22:23:19,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-07-19 22:23:19,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2022-07-19 22:23:19,392 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) [2022-07-19 22:23:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2022-07-19 22:23:19,406 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2022-07-19 22:23:19,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:19,407 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2022-07-19 22:23:19,407 INFO L496 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) [2022-07-19 22:23:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2022-07-19 22:23:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-19 22:23:19,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:19,414 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:23:19,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 22:23:19,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:23:19,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:19,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:19,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2022-07-19 22:23:19,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:23:19,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355117713] [2022-07-19 22:23:19,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:19,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:23:19,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:23:19,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 22:23:19,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 22:23:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:20,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 22:23:20,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:23:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 22:23:20,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:23:20,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:23:20,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355117713] [2022-07-19 22:23:20,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355117713] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:20,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:20,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 22:23:20,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836721911] [2022-07-19 22:23:20,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:20,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 22:23:20,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:23:20,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 22:23:20,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:23:20,584 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) [2022-07-19 22:23:20,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:20,790 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2022-07-19 22:23:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 22:23:20,793 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 [2022-07-19 22:23:20,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:20,808 INFO L225 Difference]: With dead ends: 5578 [2022-07-19 22:23:20,808 INFO L226 Difference]: Without dead ends: 2801 [2022-07-19 22:23:20,817 INFO L412 NwaCegarLoop]: 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 [2022-07-19 22:23:20,819 INFO L413 NwaCegarLoop]: 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 [2022-07-19 22:23:20,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 22:23:20,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2022-07-19 22:23:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2022-07-19 22:23:20,895 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) [2022-07-19 22:23:20,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2022-07-19 22:23:20,908 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2022-07-19 22:23:20,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:20,909 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2022-07-19 22:23:20,909 INFO L496 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) [2022-07-19 22:23:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2022-07-19 22:23:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-19 22:23:20,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:20,915 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:23:20,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 22:23:21,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:23:21,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:21,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:21,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2022-07-19 22:23:21,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:23:21,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908111568] [2022-07-19 22:23:21,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:21,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:23:21,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:23:21,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 22:23:21,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 22:23:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:22,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 22:23:22,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:23:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 22:23:22,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:23:22,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:23:22,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908111568] [2022-07-19 22:23:22,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908111568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:22,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:22,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 22:23:22,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804236136] [2022-07-19 22:23:22,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:22,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 22:23:22,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:23:22,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 22:23:22,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 22:23:22,160 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) [2022-07-19 22:23:22,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:23:22,312 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2022-07-19 22:23:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 22:23:22,313 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 [2022-07-19 22:23:22,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:23:22,326 INFO L225 Difference]: With dead ends: 6586 [2022-07-19 22:23:22,327 INFO L226 Difference]: Without dead ends: 3812 [2022-07-19 22:23:22,334 INFO L412 NwaCegarLoop]: 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 [2022-07-19 22:23:22,337 INFO L413 NwaCegarLoop]: 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 [2022-07-19 22:23:22,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 4331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 22:23:22,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-07-19 22:23:22,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2022-07-19 22:23:22,437 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) [2022-07-19 22:23:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2022-07-19 22:23:22,448 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2022-07-19 22:23:22,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:23:22,449 INFO L495 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2022-07-19 22:23:22,449 INFO L496 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) [2022-07-19 22:23:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2022-07-19 22:23:22,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 22:23:22,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:23:22,454 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:23:22,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-19 22:23:22,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:23:22,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:23:22,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:23:22,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2022-07-19 22:23:22,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:23:22,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270429318] [2022-07-19 22:23:22,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:23:22,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:23:22,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:23:22,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 22:23:22,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 22:23:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:23:23,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 22:23:23,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:23:23,734 INFO L356 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-07-19 22:23:23,735 INFO L390 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 [2022-07-19 22:23:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 22:23:29,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:23:29,351 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:23:29,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270429318] [2022-07-19 22:23:29,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270429318] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:23:29,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:23:29,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 22:23:29,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070057844] [2022-07-19 22:23:29,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:23:29,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 22:23:29,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:23:29,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 22:23:29,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2022-07-19 22:23:29,353 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) [2022-07-19 22:23:34,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:36,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:38,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:40,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:42,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:44,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:47,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:49,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:52,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:54,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:23:58,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:24:00,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:24:05,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:24:07,093 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 [] [2022-07-19 22:24:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:24:07,602 INFO L93 Difference]: Finished difference Result 7578 states and 10952 transitions. [2022-07-19 22:24:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 22:24:07,606 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 [2022-07-19 22:24:07,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:24:07,626 INFO L225 Difference]: With dead ends: 7578 [2022-07-19 22:24:07,626 INFO L226 Difference]: Without dead ends: 3810 [2022-07-19 22:24:07,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2022-07-19 22:24:07,641 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 5507 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 0 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7489 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-07-19 22:24:07,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7489 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 427 Invalid, 13 Unknown, 10 Unchecked, 36.0s Time] [2022-07-19 22:24:07,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2022-07-19 22:24:07,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3804. [2022-07-19 22:24:07,782 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) [2022-07-19 22:24:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2022-07-19 22:24:07,793 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2022-07-19 22:24:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:24:07,793 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2022-07-19 22:24:07,793 INFO L496 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) [2022-07-19 22:24:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2022-07-19 22:24:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-19 22:24:07,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:24:07,801 INFO L195 NwaCegarLoop]: 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] [2022-07-19 22:24:07,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 22:24:08,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:24:08,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:24:08,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:24:08,025 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2022-07-19 22:24:08,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:24:08,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402009536] [2022-07-19 22:24:08,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:24:08,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:24:08,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:24:08,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 22:24:08,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 22:24:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:24:28,915 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 22:24:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 22:24:43,554 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-19 22:24:43,554 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 22:24:43,555 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 22:24:43,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 22:24:43,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:24:43,782 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 22:24:43,785 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 22:24:43,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:24:43 BoogieIcfgContainer [2022-07-19 22:24:43,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 22:24:43,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 22:24:43,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 22:24:43,925 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 22:24:43,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:23:18" (3/4) ... [2022-07-19 22:24:43,928 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 22:24:43,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 22:24:43,928 INFO L158 Benchmark]: Toolchain (without parser) took 112146.77ms. Allocated memory was 56.6MB in the beginning and 457.2MB in the end (delta: 400.6MB). Free memory was 33.9MB in the beginning and 187.3MB in the end (delta: -153.4MB). Peak memory consumption was 249.3MB. Max. memory is 16.1GB. [2022-07-19 22:24:43,928 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:24:43,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2294.05ms. Allocated memory was 56.6MB in the beginning and 180.4MB in the end (delta: 123.7MB). Free memory was 33.6MB in the beginning and 93.1MB in the end (delta: -59.5MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2022-07-19 22:24:43,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.67ms. Allocated memory is still 180.4MB. Free memory was 93.1MB in the beginning and 71.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-19 22:24:43,929 INFO L158 Benchmark]: Boogie Preprocessor took 164.81ms. Allocated memory is still 180.4MB. Free memory was 71.1MB in the beginning and 85.7MB in the end (delta: -14.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-19 22:24:43,929 INFO L158 Benchmark]: RCFGBuilder took 23661.24ms. Allocated memory was 180.4MB in the beginning and 327.2MB in the end (delta: 146.8MB). Free memory was 85.7MB in the beginning and 113.2MB in the end (delta: -27.5MB). Peak memory consumption was 119.6MB. Max. memory is 16.1GB. [2022-07-19 22:24:43,929 INFO L158 Benchmark]: TraceAbstraction took 85819.61ms. Allocated memory was 327.2MB in the beginning and 457.2MB in the end (delta: 130.0MB). Free memory was 112.2MB in the beginning and 188.4MB in the end (delta: -76.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-07-19 22:24:43,929 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 457.2MB. Free memory was 188.4MB in the beginning and 187.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 22:24:43,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2294.05ms. Allocated memory was 56.6MB in the beginning and 180.4MB in the end (delta: 123.7MB). Free memory was 33.6MB in the beginning and 93.1MB in the end (delta: -59.5MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.67ms. Allocated memory is still 180.4MB. Free memory was 93.1MB in the beginning and 71.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.81ms. Allocated memory is still 180.4MB. Free memory was 71.1MB in the beginning and 85.7MB in the end (delta: -14.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 23661.24ms. Allocated memory was 180.4MB in the beginning and 327.2MB in the end (delta: 146.8MB). Free memory was 85.7MB in the beginning and 113.2MB in the end (delta: -27.5MB). Peak memory consumption was 119.6MB. Max. memory is 16.1GB. * TraceAbstraction took 85819.61ms. Allocated memory was 327.2MB in the beginning and 457.2MB in the end (delta: 130.0MB). Free memory was 112.2MB in the beginning and 188.4MB in the end (delta: -76.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 457.2MB. Free memory was 188.4MB in the beginning and 187.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={20:0}, arg1={20:0}, arg2={111:0}, arg2={111:0}, 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={111:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={111:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=2147483648] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, l={0:-9223372036846387365}, l={0:-9223372036846387365}, 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:-9223372036846387365}] [L6821] RET, EXPR atomic_long_read(& file->f_count) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, atomic_long_read(& file->f_count)=0, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, 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:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp->owner={0:-9223363240761753600}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={0:-9223372036846386936}] [L5253] unsigned char c ; [L5257] return ((unsigned int )c != 0U); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={0:0}, 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:-9223372036846386936}, v={0:-9223372036846386936}] [L6357] RET, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __this_module={0:0}, atomic_dec_and_test(& pf->refcnt)=1, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, pf->kind=1, ppp={0:-9223372036846387200}, 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:-9223372036846387200}, __mptr___0={0:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xcomp->comp_free={9223372036854775806:12}, xstate={551903297536:-9223372034707291648}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xcomp->comp_free={9223372036854775806:12}, xstate={551903297536:-9223372034707291648}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, module={0:-9223372036854763520}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, module={0:-9223372036854763520}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 1432 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 85.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 39.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 2641 SdHoareTripleChecker+Valid, 36.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2487 mSDsluCounter, 24037 SdHoareTripleChecker+Invalid, 35.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 15391 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 469 IncrementalHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8646 mSDtfsCounter, 469 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8s 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: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 22.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 277 ConstructedInterpolants, 1 QuantifiedInterpolants, 491 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3665 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 [2022-07-19 22:24:43,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample