./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 35987657 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-?-3598765 [2022-07-21 09:54:40,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:54:40,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:54:40,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:54:40,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:54:40,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:54:40,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:54:40,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:54:40,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:54:40,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:54:40,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:54:40,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:54:40,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:54:40,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:54:40,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:54:40,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:54:40,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:54:40,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:54:40,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:54:40,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:54:40,609 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:54:40,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:54:40,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:54:40,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:54:40,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:54:40,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:54:40,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:54:40,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:54:40,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:54:40,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:54:40,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:54:40,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:54:40,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:54:40,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:54:40,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:54:40,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:54:40,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:54:40,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:54:40,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:54:40,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:54:40,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:54:40,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:54:40,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:54:40,663 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:54:40,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:54:40,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:54:40,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:54:40,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:54:40,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:54:40,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:54:40,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:54:40,666 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:54:40,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:54:40,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:54:40,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:54:40,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:54:40,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:54:40,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:54:40,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:54:40,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:54:40,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:54:40,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:54:40,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:54:40,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:54:40,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:54:40,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:54:40,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:54:40,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:54:40,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:54:40,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:54:40,669 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:54:40,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:54:40,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:54:40,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-21 09:54:40,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:54:40,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:54:40,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:54:40,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:54:40,982 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:54:40,983 INFO L432 ainManager$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 [2022-07-21 09:54:41,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e410810b6/091e1d80d1214695918048a5786d2f85/FLAG5d661756f [2022-07-21 09:54:41,891 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:54:41,892 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 [2022-07-21 09:54:41,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e410810b6/091e1d80d1214695918048a5786d2f85/FLAG5d661756f [2022-07-21 09:54:42,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e410810b6/091e1d80d1214695918048a5786d2f85 [2022-07-21 09:54:42,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:54:42,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:54:42,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:54:42,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:54:42,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:54:42,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:54:42" (1/1) ... [2022-07-21 09:54:42,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7632b9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:42, skipping insertion in model container [2022-07-21 09:54:42,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:54:42" (1/1) ... [2022-07-21 09:54:42,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:54:42,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:54:44,784 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] [2022-07-21 09:54:44,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:54:44,877 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:54:45,141 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] [2022-07-21 09:54:45,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:54:45,487 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:54:45,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45 WrapperNode [2022-07-21 09:54:45,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:54:45,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:54:45,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:54:45,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:54:45,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,743 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4270 [2022-07-21 09:54:45,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:54:45,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:54:45,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:54:45,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:54:45,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:45,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:46,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:54:46,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:54:46,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:54:46,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:54:46,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (1/1) ... [2022-07-21 09:54:46,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:54:46,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:54:46,121 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) [2022-07-21 09:54:46,163 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 [2022-07-21 09:54:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-21 09:54:46,185 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-21 09:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-21 09:54:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-21 09:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-21 09:54:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-21 09:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-21 09:54:46,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-21 09:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 09:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-21 09:54:46,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-21 09:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 09:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-21 09:54:46,187 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-21 09:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 09:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 09:54:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 09:54:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-21 09:54:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-21 09:54:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-21 09:54:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-21 09:54:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-21 09:54:46,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-21 09:54:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-21 09:54:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-21 09:54:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 09:54:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 09:54:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 09:54:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 09:54:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 09:54:46,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 09:54:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 09:54:46,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 09:54:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-21 09:54:46,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-21 09:54:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-21 09:54:46,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-21 09:54:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-21 09:54:46,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-21 09:54:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-21 09:54:46,192 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-21 09:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 09:54:46,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 09:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-21 09:54:46,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-21 09:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-21 09:54:46,194 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-21 09:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-21 09:54:46,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-21 09:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 09:54:46,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 09:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 09:54:46,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 09:54:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-21 09:54:46,195 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-21 09:54:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 09:54:46,196 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 09:54:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-21 09:54:46,197 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-21 09:54:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-21 09:54:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-21 09:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-21 09:54:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-21 09:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-21 09:54:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-21 09:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 09:54:46,198 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 09:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 09:54:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 09:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 09:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 09:54:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 09:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 09:54:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 09:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-21 09:54:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-21 09:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-21 09:54:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-21 09:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 09:54:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 09:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 09:54:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 09:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 09:54:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 09:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 09:54:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 09:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-21 09:54:46,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-21 09:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-21 09:54:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-21 09:54:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 09:54:46,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 09:54:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 09:54:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 09:54:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 09:54:46,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 09:54:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-21 09:54:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-21 09:54:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-21 09:54:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-21 09:54:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 09:54:46,205 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 09:54:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 09:54:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 09:54:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 09:54:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 09:54:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 09:54:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-21 09:54:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-21 09:54:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 09:54:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 09:54:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-21 09:54:46,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-21 09:54:46,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 09:54:46,208 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-21 09:54:46,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-21 09:54:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 09:54:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 09:54:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-21 09:54:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-21 09:54:46,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:54:46,213 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 09:54:46,213 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 09:54:46,214 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 09:54:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 09:54:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-21 09:54:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-21 09:54:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-21 09:54:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-21 09:54:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-21 09:54:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-21 09:54:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-21 09:54:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-21 09:54:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-21 09:54:46,220 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-21 09:54:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 09:54:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 09:54:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-21 09:54:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-21 09:54:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-21 09:54:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-21 09:54:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:54:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 09:54:46,221 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 09:54:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 09:54:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 09:54:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 09:54:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 09:54:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-21 09:54:46,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-21 09:54:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-21 09:54:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-21 09:54:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:54:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 09:54:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 09:54:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 09:54:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 09:54:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:54:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 09:54:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 09:54:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:54:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 09:54:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-21 09:54:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-21 09:54:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 09:54:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 09:54:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 09:54:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 09:54:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 09:54:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 09:54:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 09:54:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 09:54:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 09:54:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 09:54:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-21 09:54:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-21 09:54:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 09:54:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 09:54:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 09:54:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 09:54:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 09:54:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 09:54:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-21 09:54:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-21 09:54:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 09:54:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 09:54:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-21 09:54:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-21 09:54:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 09:54:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 09:54:46,228 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-21 09:54:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-21 09:54:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-21 09:54:46,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-21 09:54:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-21 09:54:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-21 09:54:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:54:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-21 09:54:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-21 09:54:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 09:54:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 09:54:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:54:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:54:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 09:54:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 09:54:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 09:54:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 09:54:46,976 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:54:46,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:54:47,643 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-21 09:54:47,644 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-21 09:54:48,360 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:54:48,363 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:54:48,365 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:54:48,857 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-07-21 09:54:48,857 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-07-21 09:54:48,857 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume false; [2022-07-21 09:54:48,857 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume !false; [2022-07-21 09:54:48,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-07-21 09:54:48,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-07-21 09:54:48,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-07-21 09:54:48,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-07-21 09:54:48,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-07-21 09:54:48,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-07-21 09:54:48,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-21 09:54:48,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-07-21 09:54:48,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-07-21 09:54:48,861 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-07-21 09:54:48,861 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-07-21 09:54:48,864 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-07-21 09:54:48,864 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-07-21 09:54:48,865 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-07-21 09:54:49,013 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:54:49,016 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:54:49,865 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 [2022-07-21 09:54:49,865 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; [2022-07-21 09:54:49,865 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; [2022-07-21 09:54:49,866 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 [2022-07-21 09:54:49,867 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-21 09:54:49,867 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-21 09:54:49,867 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-21 09:54:49,867 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-21 09:54:49,868 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-21 09:54:49,868 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-21 09:54:49,868 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-07-21 09:54:49,868 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-07-21 09:54:49,926 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:54:49,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:54:49,951 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-21 09:54:49,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:54:49 BoogieIcfgContainer [2022-07-21 09:54:49,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:54:49,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:54:49,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:54:49,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:54:49,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:54:42" (1/3) ... [2022-07-21 09:54:49,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b41bc34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:54:49, skipping insertion in model container [2022-07-21 09:54:49,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:54:45" (2/3) ... [2022-07-21 09:54:49,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b41bc34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:54:49, skipping insertion in model container [2022-07-21 09:54:49,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:54:49" (3/3) ... [2022-07-21 09:54:49,967 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-21 09:54:49,978 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:54:49,979 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:54:50,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:54:50,069 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@1787577a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2ffcbcc6 [2022-07-21 09:54:50,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:54:50,081 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) [2022-07-21 09:54:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 09:54:50,094 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:54:50,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:54:50,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:54:50,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:54:50,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1853015897, now seen corresponding path program 1 times [2022-07-21 09:54:50,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:54:50,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12575412] [2022-07-21 09:54:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:54:50,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:54:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 09:54:50,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:54:50,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12575412] [2022-07-21 09:54:50,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12575412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:54:50,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:54:50,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 09:54:50,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642455359] [2022-07-21 09:54:50,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:54:50,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 09:54:50,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:54:50,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 09:54:50,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 09:54:50,611 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) [2022-07-21 09:54:50,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:54:50,937 INFO L93 Difference]: Finished difference Result 4355 states and 6322 transitions. [2022-07-21 09:54:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 09:54:50,939 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 [2022-07-21 09:54:50,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:54:51,000 INFO L225 Difference]: With dead ends: 4355 [2022-07-21 09:54:51,000 INFO L226 Difference]: Without dead ends: 2874 [2022-07-21 09:54:51,018 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 [2022-07-21 09:54:51,023 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 [2022-07-21 09:54:51,024 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] [2022-07-21 09:54:51,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-21 09:54:51,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2871. [2022-07-21 09:54:51,272 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) [2022-07-21 09:54:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 3997 transitions. [2022-07-21 09:54:51,303 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 3997 transitions. Word has length 12 [2022-07-21 09:54:51,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:54:51,304 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 3997 transitions. [2022-07-21 09:54:51,304 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) [2022-07-21 09:54:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3997 transitions. [2022-07-21 09:54:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-21 09:54:51,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:54:51,319 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] [2022-07-21 09:54:51,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 09:54:51,319 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:54:51,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:54:51,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1353128840, now seen corresponding path program 1 times [2022-07-21 09:54:51,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:54:51,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973714703] [2022-07-21 09:54:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:54:51,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:54:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 09:54:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 09:54:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 09:54:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 09:54:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 09:54:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 09:54:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 09:54:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 09:54:51,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:54:51,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973714703] [2022-07-21 09:54:51,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973714703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:54:51,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:54:51,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 09:54:51,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331054725] [2022-07-21 09:54:51,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:54:51,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:54:51,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:54:51,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:54:51,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:54:51,632 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) [2022-07-21 09:54:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:54:55,495 INFO L93 Difference]: Finished difference Result 6354 states and 8980 transitions. [2022-07-21 09:54:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 09:54:55,496 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 [2022-07-21 09:54:55,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:54:55,523 INFO L225 Difference]: With dead ends: 6354 [2022-07-21 09:54:55,523 INFO L226 Difference]: Without dead ends: 3510 [2022-07-21 09:54:55,539 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 [2022-07-21 09:54:55,541 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 917 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:54:55,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 3650 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-21 09:54:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2022-07-21 09:54:55,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3150. [2022-07-21 09:54:55,728 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) [2022-07-21 09:54:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4422 transitions. [2022-07-21 09:54:55,755 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4422 transitions. Word has length 74 [2022-07-21 09:54:55,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:54:55,756 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4422 transitions. [2022-07-21 09:54:55,756 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) [2022-07-21 09:54:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4422 transitions. [2022-07-21 09:54:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-21 09:54:55,767 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:54:55,768 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] [2022-07-21 09:54:55,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 09:54:55,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:54:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:54:55,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1496577686, now seen corresponding path program 1 times [2022-07-21 09:54:55,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:54:55,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495242523] [2022-07-21 09:54:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:54:55,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:54:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 09:54:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 09:54:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 09:54:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 09:54:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 09:54:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 09:54:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 09:54:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 09:54:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 09:54:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:54:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 09:54:56,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:54:56,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495242523] [2022-07-21 09:54:56,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495242523] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:54:56,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:54:56,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 09:54:56,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764145359] [2022-07-21 09:54:56,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:54:56,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:54:56,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:54:56,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:54:56,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 09:54:56,187 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) [2022-07-21 09:55:00,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:55:00,257 INFO L93 Difference]: Finished difference Result 6620 states and 9377 transitions. [2022-07-21 09:55:00,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 09:55:00,258 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 [2022-07-21 09:55:00,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:55:00,281 INFO L225 Difference]: With dead ends: 6620 [2022-07-21 09:55:00,282 INFO L226 Difference]: Without dead ends: 3494 [2022-07-21 09:55:00,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:55:00,299 INFO L413 NwaCegarLoop]: 1817 mSDtfsCounter, 746 mSDsluCounter, 4513 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 6330 SdHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 09:55:00,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 6330 Invalid, 3592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 09:55:00,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2022-07-21 09:55:00,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3150. [2022-07-21 09:55:00,412 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) [2022-07-21 09:55:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4420 transitions. [2022-07-21 09:55:00,430 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4420 transitions. Word has length 92 [2022-07-21 09:55:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:55:00,431 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4420 transitions. [2022-07-21 09:55:00,431 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) [2022-07-21 09:55:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4420 transitions. [2022-07-21 09:55:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 09:55:00,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:55:00,439 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] [2022-07-21 09:55:00,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 09:55:00,439 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:55:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:55:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash -722462712, now seen corresponding path program 1 times [2022-07-21 09:55:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:55:00,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392429773] [2022-07-21 09:55:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:55:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:55:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 09:55:01,372 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 09:55:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 09:55:01,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 09:55:01,900 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 09:55:01,901 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 09:55:01,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 09:55:01,906 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-21 09:55:01,910 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 09:55:02,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:55:02 BoogieIcfgContainer [2022-07-21 09:55:02,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 09:55:02,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 09:55:02,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 09:55:02,083 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 09:55:02,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:54:49" (3/4) ... [2022-07-21 09:55:02,086 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 09:55:02,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 09:55:02,087 INFO L158 Benchmark]: Toolchain (without parser) took 19635.95ms. Allocated memory was 56.6MB in the beginning and 788.5MB in the end (delta: 731.9MB). Free memory was 35.5MB in the beginning and 422.5MB in the end (delta: -387.0MB). Peak memory consumption was 344.1MB. Max. memory is 16.1GB. [2022-07-21 09:55:02,088 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 51.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:55:02,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3034.91ms. Allocated memory was 56.6MB in the beginning and 119.5MB in the end (delta: 62.9MB). Free memory was 35.4MB in the beginning and 48.5MB in the end (delta: -13.2MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2022-07-21 09:55:02,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 254.55ms. Allocated memory is still 119.5MB. Free memory was 48.5MB in the beginning and 46.6MB in the end (delta: 1.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-07-21 09:55:02,089 INFO L158 Benchmark]: Boogie Preprocessor took 305.81ms. Allocated memory is still 119.5MB. Free memory was 46.6MB in the beginning and 41.0MB in the end (delta: 5.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-07-21 09:55:02,089 INFO L158 Benchmark]: RCFGBuilder took 3903.96ms. Allocated memory was 119.5MB in the beginning and 503.3MB in the end (delta: 383.8MB). Free memory was 41.0MB in the beginning and 395.6MB in the end (delta: -354.5MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2022-07-21 09:55:02,089 INFO L158 Benchmark]: TraceAbstraction took 12123.40ms. Allocated memory was 503.3MB in the beginning and 788.5MB in the end (delta: 285.2MB). Free memory was 395.6MB in the beginning and 423.4MB in the end (delta: -27.9MB). Peak memory consumption was 258.3MB. Max. memory is 16.1GB. [2022-07-21 09:55:02,090 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 788.5MB. Free memory was 423.4MB in the beginning and 422.5MB in the end (delta: 977.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:55:02,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 51.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3034.91ms. Allocated memory was 56.6MB in the beginning and 119.5MB in the end (delta: 62.9MB). Free memory was 35.4MB in the beginning and 48.5MB in the end (delta: -13.2MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 254.55ms. Allocated memory is still 119.5MB. Free memory was 48.5MB in the beginning and 46.6MB in the end (delta: 1.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 305.81ms. Allocated memory is still 119.5MB. Free memory was 46.6MB in the beginning and 41.0MB in the end (delta: 5.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3903.96ms. Allocated memory was 119.5MB in the beginning and 503.3MB in the end (delta: 383.8MB). Free memory was 41.0MB in the beginning and 395.6MB in the end (delta: -354.5MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12123.40ms. Allocated memory was 503.3MB in the beginning and 788.5MB in the end (delta: 285.2MB). Free memory was 395.6MB in the beginning and 423.4MB in the end (delta: -27.9MB). Peak memory consumption was 258.3MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 788.5MB. Free memory was 423.4MB in the beginning and 422.5MB in the end (delta: 977.1kB). 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: 11.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3985 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3684 mSDsluCounter, 14379 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8351 mSDsCounter, 791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4829 IncrementalHoareTripleChecker+Invalid, 5620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 791 mSolverCounterUnsat, 6028 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: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 707 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.5s 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 [2022-07-21 09:55:02,144 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-?-3598765 [2022-07-21 09:55:04,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:55:04,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:55:04,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:55:04,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:55:04,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:55:04,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:55:04,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:55:04,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:55:04,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:55:04,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:55:04,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:55:04,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:55:04,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:55:04,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:55:04,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:55:04,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:55:04,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:55:04,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:55:04,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:55:04,217 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:55:04,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:55:04,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:55:04,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:55:04,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:55:04,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:55:04,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:55:04,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:55:04,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:55:04,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:55:04,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:55:04,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:55:04,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:55:04,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:55:04,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:55:04,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:55:04,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:55:04,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:55:04,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:55:04,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:55:04,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:55:04,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:55:04,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 09:55:04,289 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:55:04,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:55:04,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:55:04,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:55:04,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:55:04,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:55:04,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:55:04,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:55:04,293 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:55:04,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:55:04,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:55:04,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:55:04,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:55:04,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:55:04,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 09:55:04,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 09:55:04,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 09:55:04,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:55:04,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:55:04,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:55:04,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:55:04,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:55:04,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:55:04,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:55:04,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:55:04,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:55:04,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:55:04,298 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 09:55:04,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 09:55:04,298 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:55:04,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:55:04,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:55:04,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 09:55:04,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-21 09:55:04,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:55:04,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:55:04,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:55:04,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:55:04,639 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:55:04,641 INFO L432 ainManager$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 [2022-07-21 09:55:04,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab5d277e/2a61bd1a000549d1be4c43d4d904fd7a/FLAGa8fa30cf0 [2022-07-21 09:55:05,600 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:55:05,600 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 [2022-07-21 09:55:05,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab5d277e/2a61bd1a000549d1be4c43d4d904fd7a/FLAGa8fa30cf0 [2022-07-21 09:55:05,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dab5d277e/2a61bd1a000549d1be4c43d4d904fd7a [2022-07-21 09:55:05,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:55:05,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:55:05,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:55:05,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:55:05,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:55:05,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:55:05" (1/1) ... [2022-07-21 09:55:05,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4daa753f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:05, skipping insertion in model container [2022-07-21 09:55:05,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:55:05" (1/1) ... [2022-07-21 09:55:05,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:55:05,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:55:08,094 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] [2022-07-21 09:55:08,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:55:08,229 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 09:55:08,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:55:08,554 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] [2022-07-21 09:55:08,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:55:08,599 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:55:08,887 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] [2022-07-21 09:55:08,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:55:09,147 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:55:09,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09 WrapperNode [2022-07-21 09:55:09,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:55:09,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:55:09,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:55:09,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:55:09,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,391 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2022-07-21 09:55:09,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:55:09,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:55:09,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:55:09,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:55:09,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:55:09,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:55:09,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:55:09,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:55:09,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (1/1) ... [2022-07-21 09:55:09,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:55:09,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:55:09,641 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) [2022-07-21 09:55:09,666 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 [2022-07-21 09:55:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-21 09:55:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-21 09:55:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 09:55:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 09:55:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-21 09:55:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-21 09:55:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-21 09:55:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-21 09:55:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 09:55:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-21 09:55:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-21 09:55:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 09:55:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 09:55:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-21 09:55:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-21 09:55:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 09:55:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 09:55:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 09:55:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 09:55:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-21 09:55:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-21 09:55:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-21 09:55:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-21 09:55:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-21 09:55:09,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-21 09:55:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-21 09:55:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-21 09:55:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 09:55:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 09:55:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 09:55:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 09:55:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 09:55:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 09:55:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 09:55:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 09:55:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-21 09:55:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-21 09:55:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-21 09:55:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-21 09:55:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-21 09:55:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-21 09:55:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-21 09:55:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-21 09:55:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-21 09:55:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-21 09:55:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 09:55:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 09:55:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-21 09:55:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-21 09:55:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-21 09:55:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-21 09:55:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-21 09:55:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-21 09:55:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 09:55:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 09:55:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 09:55:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 09:55:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-21 09:55:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-21 09:55:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 09:55:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 09:55:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-21 09:55:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-21 09:55:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-21 09:55:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-21 09:55:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-21 09:55:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-21 09:55:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-21 09:55:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-21 09:55:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:55:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 09:55:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 09:55:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 09:55:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 09:55:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 09:55:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 09:55:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 09:55:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 09:55:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 09:55:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 09:55:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 09:55:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 09:55:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-21 09:55:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-21 09:55:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:55:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 09:55:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:55:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-21 09:55:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-21 09:55:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 09:55:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 09:55:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 09:55:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 09:55:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 09:55:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 09:55:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 09:55:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 09:55:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 09:55:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 09:55:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 09:55:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-21 09:55:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-21 09:55:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-21 09:55:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-21 09:55:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 09:55:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 09:55:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 09:55:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 09:55:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 09:55:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 09:55:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-21 09:55:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-21 09:55:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-21 09:55:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-21 09:55:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 09:55:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 09:55:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 09:55:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 09:55:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 09:55:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 09:55:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-21 09:55:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-21 09:55:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 09:55:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 09:55:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-21 09:55:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-21 09:55:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-21 09:55:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-21 09:55:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 09:55:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 09:55:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-21 09:55:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-21 09:55:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 09:55:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 09:55:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 09:55:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 09:55:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-21 09:55:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-21 09:55:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-21 09:55:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-21 09:55:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-21 09:55:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-21 09:55:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-21 09:55:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-21 09:55:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-21 09:55:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-21 09:55:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 09:55:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 09:55:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-21 09:55:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-21 09:55:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-21 09:55:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-21 09:55:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 09:55:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 09:55:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 09:55:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 09:55:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 09:55:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 09:55:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 09:55:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 09:55:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 09:55:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 09:55:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 09:55:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 09:55:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-21 09:55:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-21 09:55:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-21 09:55:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-21 09:55:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:55:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 09:55:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 09:55:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 09:55:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 09:55:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:55:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 09:55:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 09:55:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:55:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 09:55:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 09:55:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 09:55:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 09:55:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 09:55:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 09:55:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 09:55:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 09:55:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 09:55:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 09:55:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 09:55:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 09:55:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 09:55:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 09:55:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-21 09:55:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-21 09:55:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 09:55:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 09:55:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 09:55:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 09:55:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 09:55:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 09:55:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-21 09:55:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-21 09:55:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 09:55:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 09:55:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-21 09:55:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-21 09:55:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-21 09:55:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-21 09:55:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 09:55:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-21 09:55:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-21 09:55:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 09:55:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 09:55:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:55:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:55:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 09:55:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 09:55:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 09:55:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 09:55:10,444 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:55:10,449 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:55:13,795 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-21 09:55:13,795 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-21 09:55:24,317 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:55:24,321 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:55:24,324 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:55:24,326 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:55:24,338 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-21 09:55:35,948 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 [2022-07-21 09:55:35,948 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; [2022-07-21 09:55:35,948 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2022-07-21 09:55:35,948 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2022-07-21 09:55:35,948 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; [2022-07-21 09:55:35,948 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 [2022-07-21 09:55:35,948 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2022-07-21 09:55:35,948 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2022-07-21 09:55:35,948 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-07-21 09:55:35,948 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-07-21 09:55:35,949 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-07-21 09:55:35,949 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-07-21 09:55:35,951 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-07-21 09:55:35,951 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-07-21 09:55:35,952 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2022-07-21 09:55:35,952 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2022-07-21 09:55:35,952 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2022-07-21 09:55:35,952 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2022-07-21 09:55:35,952 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2022-07-21 09:55:35,952 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2022-07-21 09:55:35,953 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2022-07-21 09:55:35,953 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2022-07-21 09:55:35,953 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2022-07-21 09:55:35,953 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2022-07-21 09:55:35,953 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-21 09:55:35,953 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-21 09:55:35,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-21 09:55:35,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-21 09:55:35,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2022-07-21 09:55:35,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-07-21 09:55:35,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-21 09:55:35,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-07-21 09:55:35,955 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-21 09:55:35,959 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2022-07-21 09:55:35,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2022-07-21 09:55:36,035 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:55:36,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:55:36,060 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-21 09:55:36,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:55:36 BoogieIcfgContainer [2022-07-21 09:55:36,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:55:36,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:55:36,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:55:36,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:55:36,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:55:05" (1/3) ... [2022-07-21 09:55:36,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb57808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:55:36, skipping insertion in model container [2022-07-21 09:55:36,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:55:09" (2/3) ... [2022-07-21 09:55:36,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb57808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:55:36, skipping insertion in model container [2022-07-21 09:55:36,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:55:36" (3/3) ... [2022-07-21 09:55:36,075 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-21 09:55:36,091 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:55:36,092 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:55:36,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:55:36,203 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@1714c819, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6aa36239 [2022-07-21 09:55:36,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:55:36,215 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) [2022-07-21 09:55:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 09:55:36,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:55:36,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:55:36,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:55:36,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:55:36,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2022-07-21 09:55:36,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 09:55:36,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186688528] [2022-07-21 09:55:36,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:55:36,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 09:55:36,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 09:55:36,250 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) [2022-07-21 09:55:36,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 09:55:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:55:37,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 09:55:37,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:55:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 09:55:37,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:55:37,283 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 09:55:37,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186688528] [2022-07-21 09:55:37,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186688528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:55:37,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:55:37,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 09:55:37,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245351518] [2022-07-21 09:55:37,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:55:37,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 09:55:37,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 09:55:37,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 09:55:37,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 09:55:37,334 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) [2022-07-21 09:55:37,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:55:37,663 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2022-07-21 09:55:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 09:55:37,666 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 [2022-07-21 09:55:37,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:55:37,705 INFO L225 Difference]: With dead ends: 4250 [2022-07-21 09:55:37,706 INFO L226 Difference]: Without dead ends: 2804 [2022-07-21 09:55:37,722 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 [2022-07-21 09:55:37,729 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 [2022-07-21 09:55:37,731 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] [2022-07-21 09:55:37,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-07-21 09:55:37,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2022-07-21 09:55:37,985 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) [2022-07-21 09:55:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2022-07-21 09:55:38,012 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2022-07-21 09:55:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:55:38,013 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2022-07-21 09:55:38,014 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) [2022-07-21 09:55:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2022-07-21 09:55:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-21 09:55:38,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:55:38,033 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] [2022-07-21 09:55:38,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 09:55:38,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 09:55:38,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:55:38,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:55:38,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2022-07-21 09:55:38,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 09:55:38,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114643760] [2022-07-21 09:55:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:55:38,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 09:55:38,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 09:55:38,260 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) [2022-07-21 09:55:38,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 09:55:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:55:39,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 09:55:39,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:55:39,481 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 09:55:39,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:55:39,481 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 09:55:39,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114643760] [2022-07-21 09:55:39,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114643760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:55:39,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:55:39,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 09:55:39,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551324976] [2022-07-21 09:55:39,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:55:39,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:55:39,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 09:55:39,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:55:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:55:39,485 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) [2022-07-21 09:55:39,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:55:39,739 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2022-07-21 09:55:39,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:55:39,740 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 [2022-07-21 09:55:39,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:55:39,757 INFO L225 Difference]: With dead ends: 5578 [2022-07-21 09:55:39,757 INFO L226 Difference]: Without dead ends: 2801 [2022-07-21 09:55:39,768 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 [2022-07-21 09:55:39,769 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 [2022-07-21 09:55:39,769 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] [2022-07-21 09:55:39,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2022-07-21 09:55:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2022-07-21 09:55:39,857 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) [2022-07-21 09:55:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2022-07-21 09:55:39,874 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2022-07-21 09:55:39,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:55:39,875 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2022-07-21 09:55:39,875 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) [2022-07-21 09:55:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2022-07-21 09:55:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-21 09:55:39,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:55:39,881 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] [2022-07-21 09:55:39,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 09:55:40,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 09:55:40,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:55:40,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:55:40,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2022-07-21 09:55:40,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 09:55:40,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882174988] [2022-07-21 09:55:40,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:55:40,106 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 09:55:40,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 09:55:40,108 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) [2022-07-21 09:55:40,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 09:55:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:55:41,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 09:55:41,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:55:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 09:55:41,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:55:41,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 09:55:41,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882174988] [2022-07-21 09:55:41,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [882174988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:55:41,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:55:41,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 09:55:41,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043111905] [2022-07-21 09:55:41,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:55:41,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 09:55:41,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 09:55:41,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 09:55:41,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 09:55:41,451 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) [2022-07-21 09:55:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:55:41,689 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2022-07-21 09:55:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 09:55:41,690 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 [2022-07-21 09:55:41,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:55:41,717 INFO L225 Difference]: With dead ends: 6586 [2022-07-21 09:55:41,717 INFO L226 Difference]: Without dead ends: 3812 [2022-07-21 09:55:41,815 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 [2022-07-21 09:55:41,816 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 [2022-07-21 09:55:41,816 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] [2022-07-21 09:55:41,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-07-21 09:55:41,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2022-07-21 09:55:41,947 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) [2022-07-21 09:55:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2022-07-21 09:55:41,969 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2022-07-21 09:55:41,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:55:41,970 INFO L495 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2022-07-21 09:55:41,971 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) [2022-07-21 09:55:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2022-07-21 09:55:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-21 09:55:41,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:55:41,980 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] [2022-07-21 09:55:42,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 09:55:42,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 09:55:42,200 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:55:42,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:55:42,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2022-07-21 09:55:42,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 09:55:42,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393513027] [2022-07-21 09:55:42,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:55:42,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 09:55:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 09:55:42,205 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) [2022-07-21 09:55:42,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 09:55:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:55:43,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 09:55:43,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:55:43,486 INFO L356 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-07-21 09:55:43,487 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 [2022-07-21 09:55:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 09:55:46,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:55:46,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 09:55:46,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393513027] [2022-07-21 09:55:46,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393513027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:55:46,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:55:46,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 09:55:46,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2461527] [2022-07-21 09:55:46,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:55:46,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:55:46,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 09:55:46,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:55:46,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2022-07-21 09:55:46,114 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) [2022-07-21 09:55:51,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:55:53,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:55:55,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:55:57,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:55:59,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:01,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:05,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:07,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:10,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:12,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:15,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:23,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:25,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 09:56:25,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:56:25,830 INFO L93 Difference]: Finished difference Result 7578 states and 10952 transitions. [2022-07-21 09:56:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:56:25,835 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 [2022-07-21 09:56:25,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:56:25,860 INFO L225 Difference]: With dead ends: 7578 [2022-07-21 09:56:25,861 INFO L226 Difference]: Without dead ends: 3810 [2022-07-21 09:56:25,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2022-07-21 09:56:25,880 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 5509 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7491 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2022-07-21 09:56:25,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7491 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 430 Invalid, 10 Unknown, 6 Unchecked, 37.5s Time] [2022-07-21 09:56:25,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2022-07-21 09:56:26,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3804. [2022-07-21 09:56:26,047 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) [2022-07-21 09:56:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2022-07-21 09:56:26,063 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2022-07-21 09:56:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:56:26,064 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2022-07-21 09:56:26,064 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) [2022-07-21 09:56:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2022-07-21 09:56:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-21 09:56:26,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:56:26,071 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] [2022-07-21 09:56:26,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 09:56:26,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 09:56:26,287 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:56:26,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:56:26,288 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2022-07-21 09:56:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 09:56:26,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224821358] [2022-07-21 09:56:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:56:26,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 09:56:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 09:56:26,292 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) [2022-07-21 09:56:26,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 09:56:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 09:56:48,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 09:57:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 09:57:04,247 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-21 09:57:04,247 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 09:57:04,248 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 09:57:04,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 09:57:04,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 09:57:04,475 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-21 09:57:04,479 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 09:57:04,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:57:04 BoogieIcfgContainer [2022-07-21 09:57:04,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 09:57:04,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 09:57:04,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 09:57:04,614 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 09:57:04,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:55:36" (3/4) ... [2022-07-21 09:57:04,618 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 09:57:04,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 09:57:04,620 INFO L158 Benchmark]: Toolchain (without parser) took 118887.69ms. Allocated memory was 50.3MB in the beginning and 478.2MB in the end (delta: 427.8MB). Free memory was 23.5MB in the beginning and 219.5MB in the end (delta: -196.0MB). Peak memory consumption was 230.9MB. Max. memory is 16.1GB. [2022-07-21 09:57:04,624 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:57:04,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3412.86ms. Allocated memory was 50.3MB in the beginning and 239.1MB in the end (delta: 188.7MB). Free memory was 23.3MB in the beginning and 131.5MB in the end (delta: -108.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2022-07-21 09:57:04,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 242.83ms. Allocated memory is still 239.1MB. Free memory was 131.5MB in the beginning and 109.5MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-21 09:57:04,625 INFO L158 Benchmark]: Boogie Preprocessor took 215.76ms. Allocated memory is still 239.1MB. Free memory was 109.5MB in the beginning and 83.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-21 09:57:04,625 INFO L158 Benchmark]: RCFGBuilder took 26455.87ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 83.3MB in the beginning and 366.6MB in the end (delta: -283.3MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2022-07-21 09:57:04,625 INFO L158 Benchmark]: TraceAbstraction took 88545.44ms. Allocated memory is still 478.2MB. Free memory was 366.6MB in the beginning and 220.5MB in the end (delta: 146.2MB). Peak memory consumption was 147.2MB. Max. memory is 16.1GB. [2022-07-21 09:57:04,626 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 478.2MB. Free memory was 220.5MB in the beginning and 219.5MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:57:04,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3412.86ms. Allocated memory was 50.3MB in the beginning and 239.1MB in the end (delta: 188.7MB). Free memory was 23.3MB in the beginning and 131.5MB in the end (delta: -108.2MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 242.83ms. Allocated memory is still 239.1MB. Free memory was 131.5MB in the beginning and 109.5MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 215.76ms. Allocated memory is still 239.1MB. Free memory was 109.5MB in the beginning and 83.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 26455.87ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 83.3MB in the beginning and 366.6MB in the end (delta: -283.3MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * TraceAbstraction took 88545.44ms. Allocated memory is still 478.2MB. Free memory was 366.6MB in the beginning and 220.5MB in the end (delta: 146.2MB). Peak memory consumption was 147.2MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 478.2MB. Free memory was 220.5MB in the beginning and 219.5MB in the end (delta: 998.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, 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: 88.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 40.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 2641 SdHoareTripleChecker+Valid, 37.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2487 mSDsluCounter, 24039 SdHoareTripleChecker+Invalid, 36.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 6 IncrementalHoareTripleChecker+Unchecked, 15393 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8646 mSDtfsCounter, 472 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s 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: 0.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 24.1s SatisfiabilityAnalysisTime, 3.5s 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 [2022-07-21 09:57:04,682 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