./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 ae007674 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-dev-ae00767 [2021-12-28 03:23:59,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:23:59,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:23:59,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:23:59,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:23:59,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:23:59,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:23:59,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:23:59,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:23:59,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:23:59,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:23:59,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:23:59,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:23:59,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:23:59,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:23:59,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:23:59,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:23:59,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:23:59,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:23:59,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:23:59,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:23:59,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:23:59,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:23:59,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:23:59,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:23:59,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:23:59,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:23:59,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:23:59,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:23:59,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:23:59,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:23:59,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:23:59,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:23:59,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:23:59,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:23:59,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:23:59,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:23:59,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:23:59,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:23:59,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:23:59,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:23:59,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:23:59,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:23:59,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:23:59,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:23:59,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:23:59,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:23:59,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:23:59,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:23:59,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:23:59,922 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:23:59,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:23:59,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:23:59,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:23:59,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:23:59,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:23:59,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:23:59,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:23:59,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:23:59,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:23:59,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:23:59,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:23:59,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:23:59,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:23:59,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:23:59,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:23:59,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:23:59,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:23:59,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:23:59,925 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:23:59,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:23:59,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:23:59,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-28 03:24:00,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:24:00,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:24:00,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:24:00,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:24:00,225 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:24:00,226 INFO L432 ainManager$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 [2021-12-28 03:24:00,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e57b3bd/96c4948fefc54abf83cf6cea34d36a5e/FLAG66e128b1c [2021-12-28 03:24:00,977 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:24:00,977 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 [2021-12-28 03:24:01,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e57b3bd/96c4948fefc54abf83cf6cea34d36a5e/FLAG66e128b1c [2021-12-28 03:24:01,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17e57b3bd/96c4948fefc54abf83cf6cea34d36a5e [2021-12-28 03:24:01,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:24:01,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:24:01,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:24:01,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:24:01,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:24:01,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:01" (1/1) ... [2021-12-28 03:24:01,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3472cb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:01, skipping insertion in model container [2021-12-28 03:24:01,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:01" (1/1) ... [2021-12-28 03:24:01,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:24:01,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:24:02,752 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] [2021-12-28 03:24:02,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:24:02,824 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:24:03,110 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] [2021-12-28 03:24:03,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:24:03,416 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:24:03,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03 WrapperNode [2021-12-28 03:24:03,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:24:03,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:24:03,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:24:03,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:24:03,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,618 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4213 [2021-12-28 03:24:03,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:24:03,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:24:03,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:24:03,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:24:03,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:24:03,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:24:03,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:24:03,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:24:03,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (1/1) ... [2021-12-28 03:24:03,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:24:03,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:24:03,827 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) [2021-12-28 03:24:03,829 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 [2021-12-28 03:24:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-28 03:24:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-28 03:24:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 03:24:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 03:24:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-28 03:24:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-28 03:24:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-28 03:24:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-28 03:24:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 03:24:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-28 03:24:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-28 03:24:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:24:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-28 03:24:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-28 03:24:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:24:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-28 03:24:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-28 03:24:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-28 03:24:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-28 03:24:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-28 03:24:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-28 03:24:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-28 03:24:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-28 03:24:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-28 03:24:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-28 03:24:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 03:24:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 03:24:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 03:24:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 03:24:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 03:24:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 03:24:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:24:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:24:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-28 03:24:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-28 03:24:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-28 03:24:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-28 03:24:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-28 03:24:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-28 03:24:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-28 03:24:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-28 03:24:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 03:24:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 03:24:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-28 03:24:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-28 03:24:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-28 03:24:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-28 03:24:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-28 03:24:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-28 03:24:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 03:24:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 03:24:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:24:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:24:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-28 03:24:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-28 03:24:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:24:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:24:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-28 03:24:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-28 03:24:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-28 03:24:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-28 03:24:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-28 03:24:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-28 03:24:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-28 03:24:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-28 03:24:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:24:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 03:24:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 03:24:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-28 03:24:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-28 03:24:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:24:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-28 03:24:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-28 03:24:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 03:24:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 03:24:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-28 03:24:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-28 03:24:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:24:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:24:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-28 03:24:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-28 03:24:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 03:24:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 03:24:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-28 03:24:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-28 03:24:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 03:24:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 03:24:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 03:24:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 03:24:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-28 03:24:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-28 03:24:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-28 03:24:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-28 03:24:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 03:24:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 03:24:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 03:24:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 03:24:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 03:24:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 03:24:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-28 03:24:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-28 03:24:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-28 03:24:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-28 03:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 03:24:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 03:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-28 03:24:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-28 03:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-28 03:24:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-28 03:24:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-28 03:24:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-28 03:24:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 03:24:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 03:24:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-28 03:24:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-28 03:24:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:24:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-28 03:24:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-28 03:24:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 03:24:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 03:24:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-28 03:24:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-28 03:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:24:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 03:24:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 03:24:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-28 03:24:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-28 03:24:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-28 03:24:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-28 03:24:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-28 03:24:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-28 03:24:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-28 03:24:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-28 03:24:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-28 03:24:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-28 03:24:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-28 03:24:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-28 03:24:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:24:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:24:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-28 03:24:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-28 03:24:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-28 03:24:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-28 03:24:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:24:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 03:24:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 03:24:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 03:24:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 03:24:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-28 03:24:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-28 03:24:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-28 03:24:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-28 03:24:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-28 03:24:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-28 03:24:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:24:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 03:24:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 03:24:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 03:24:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 03:24:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:24:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 03:24:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 03:24:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:24:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 03:24:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-28 03:24:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-28 03:24:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:24:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:24:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-28 03:24:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-28 03:24:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-28 03:24:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-28 03:24:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 03:24:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 03:24:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 03:24:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 03:24:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-28 03:24:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-28 03:24:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 03:24:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 03:24:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-28 03:24:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-28 03:24:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 03:24:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 03:24:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-28 03:24:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-28 03:24:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 03:24:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 03:24:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-28 03:24:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-28 03:24:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 03:24:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 03:24:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-28 03:24:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-28 03:24:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-28 03:24:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-28 03:24:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-28 03:24:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-28 03:24:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:24:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-28 03:24:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-28 03:24:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 03:24:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 03:24:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:24:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:24:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-28 03:24:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-28 03:24:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 03:24:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 03:24:04,427 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:24:04,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:24:04,742 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-28 03:24:04,742 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-28 03:24:05,177 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:05,179 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:05,180 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:07,532 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-12-28 03:24:07,533 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-28 03:24:07,534 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-28 03:24:07,657 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:07,660 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:08,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2021-12-28 03:24:08,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2021-12-28 03:24:08,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2021-12-28 03:24:08,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2021-12-28 03:24:08,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-12-28 03:24:08,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-12-28 03:24:08,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-28 03:24:08,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-28 03:24:08,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-28 03:24:08,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-28 03:24:08,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-12-28 03:24:08,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-12-28 03:24:08,151 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:24:08,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:24:08,160 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-28 03:24:08,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:08 BoogieIcfgContainer [2021-12-28 03:24:08,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:24:08,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:24:08,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:24:08,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:24:08,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:24:01" (1/3) ... [2021-12-28 03:24:08,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9150303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:08, skipping insertion in model container [2021-12-28 03:24:08,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:03" (2/3) ... [2021-12-28 03:24:08,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9150303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:08, skipping insertion in model container [2021-12-28 03:24:08,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:08" (3/3) ... [2021-12-28 03:24:08,167 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-28 03:24:08,170 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:24:08,171 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:24:08,202 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:24:08,207 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 03:24:08,207 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:24:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) [2021-12-28 03:24:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-28 03:24:08,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:08,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:08,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:08,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:08,240 INFO L85 PathProgramCache]: Analyzing trace with hash 732442861, now seen corresponding path program 1 times [2021-12-28 03:24:08,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:24:08,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257113565] [2021-12-28 03:24:08,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:08,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:24:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:24:08,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:24:08,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257113565] [2021-12-28 03:24:08,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257113565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:24:08,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:24:08,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 03:24:08,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381716276] [2021-12-28 03:24:08,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:24:08,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:24:08,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:24:08,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:24:08,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:24:08,535 INFO L87 Difference]: Start difference. First operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:24:08,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:24:08,691 INFO L93 Difference]: Finished difference Result 4295 states and 6198 transitions. [2021-12-28 03:24:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:24:08,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-28 03:24:08,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:24:08,712 INFO L225 Difference]: With dead ends: 4295 [2021-12-28 03:24:08,712 INFO L226 Difference]: Without dead ends: 2834 [2021-12-28 03:24:08,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:24:08,726 INFO L933 BasicCegarLoop]: 2376 mSDtfsCounter, 1996 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 4353 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 03:24:08,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 4353 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 03:24:08,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-12-28 03:24:08,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2831. [2021-12-28 03:24:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 1989 states have (on average 1.32780291603821) internal successors, (2641), 2056 states have internal predecessors, (2641), 651 states have call successors, (651), 191 states have call predecessors, (651), 190 states have return successors, (655), 633 states have call predecessors, (655), 649 states have call successors, (655) [2021-12-28 03:24:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3947 transitions. [2021-12-28 03:24:08,856 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3947 transitions. Word has length 12 [2021-12-28 03:24:08,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:24:08,857 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 3947 transitions. [2021-12-28 03:24:08,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:24:08,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3947 transitions. [2021-12-28 03:24:08,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-28 03:24:08,864 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:08,864 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:08,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:24:08,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:08,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:08,866 INFO L85 PathProgramCache]: Analyzing trace with hash -863962791, now seen corresponding path program 1 times [2021-12-28 03:24:08,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:24:08,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064287384] [2021-12-28 03:24:08,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:08,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:24:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:24:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-28 03:24:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 03:24:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:09,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 03:24:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 03:24:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:09,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 03:24:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 03:24:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-28 03:24:09,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:24:09,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064287384] [2021-12-28 03:24:09,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064287384] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:24:09,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:24:09,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:24:09,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169593139] [2021-12-28 03:24:09,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:24:09,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:24:09,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:24:09,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:24:09,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:24:09,048 INFO L87 Difference]: Start difference. First operand 2831 states and 3947 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:24:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:24:13,146 INFO L93 Difference]: Finished difference Result 6578 states and 9359 transitions. [2021-12-28 03:24:13,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 03:24:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 74 [2021-12-28 03:24:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:24:13,165 INFO L225 Difference]: With dead ends: 6578 [2021-12-28 03:24:13,165 INFO L226 Difference]: Without dead ends: 3773 [2021-12-28 03:24:13,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-28 03:24:13,176 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1320 mSDsluCounter, 4225 mSDsCounter, 0 mSdLazyCounter, 3368 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 6053 SdHoareTripleChecker+Invalid, 3892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 3368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-28 03:24:13,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1514 Valid, 6053 Invalid, 3892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 3368 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-28 03:24:13,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2021-12-28 03:24:13,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3390. [2021-12-28 03:24:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3429276315789473) internal successors, (3266), 2503 states have internal predecessors, (3266), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-12-28 03:24:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4806 transitions. [2021-12-28 03:24:13,371 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4806 transitions. Word has length 74 [2021-12-28 03:24:13,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:24:13,372 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4806 transitions. [2021-12-28 03:24:13,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:24:13,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4806 transitions. [2021-12-28 03:24:13,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-28 03:24:13,380 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:13,381 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:13,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 03:24:13,381 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:13,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:13,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1191976461, now seen corresponding path program 1 times [2021-12-28 03:24:13,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:24:13,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942780521] [2021-12-28 03:24:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:13,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:24:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-28 03:24:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-28 03:24:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 03:24:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-28 03:24:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 03:24:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 03:24:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-28 03:24:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 03:24:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 03:24:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-28 03:24:13,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:24:13,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942780521] [2021-12-28 03:24:13,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942780521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:24:13,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:24:13,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:24:13,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846232457] [2021-12-28 03:24:13,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:24:13,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:24:13,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:24:13,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:24:13,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:24:13,690 INFO L87 Difference]: Start difference. First operand 3390 states and 4806 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-28 03:24:16,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:24:16,839 INFO L93 Difference]: Finished difference Result 7092 states and 10144 transitions. [2021-12-28 03:24:16,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 03:24:16,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2021-12-28 03:24:16,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:24:16,877 INFO L225 Difference]: With dead ends: 7092 [2021-12-28 03:24:16,877 INFO L226 Difference]: Without dead ends: 3726 [2021-12-28 03:24:16,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-28 03:24:16,909 INFO L933 BasicCegarLoop]: 1773 mSDtfsCounter, 721 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 3165 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 3539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 3165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-28 03:24:16,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 6190 Invalid, 3539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 3165 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-28 03:24:16,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2021-12-28 03:24:16,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3390. [2021-12-28 03:24:16,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3421052631578947) internal successors, (3264), 2501 states have internal predecessors, (3264), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-12-28 03:24:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4804 transitions. [2021-12-28 03:24:17,012 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4804 transitions. Word has length 92 [2021-12-28 03:24:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:24:17,013 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4804 transitions. [2021-12-28 03:24:17,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-28 03:24:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4804 transitions. [2021-12-28 03:24:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-28 03:24:17,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:17,028 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:17,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 03:24:17,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:17,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:17,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1457908739, now seen corresponding path program 1 times [2021-12-28 03:24:17,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:24:17,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992183927] [2021-12-28 03:24:17,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:17,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:24:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 03:24:17,287 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 03:24:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 03:24:17,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 03:24:17,525 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-28 03:24:17,526 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-28 03:24:17,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 03:24:17,530 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-28 03:24:17,532 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-28 03:24:17,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 03:24:17 BoogieIcfgContainer [2021-12-28 03:24:17,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-28 03:24:17,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 03:24:17,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 03:24:17,644 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 03:24:17,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:08" (3/4) ... [2021-12-28 03:24:17,646 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 03:24:17,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 03:24:17,647 INFO L158 Benchmark]: Toolchain (without parser) took 16338.64ms. Allocated memory was 56.6MB in the beginning and 549.5MB in the end (delta: 492.8MB). Free memory was 34.3MB in the beginning and 185.2MB in the end (delta: -150.9MB). Peak memory consumption was 342.1MB. Max. memory is 16.1GB. [2021-12-28 03:24:17,647 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 03:24:17,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2109.70ms. Allocated memory was 56.6MB in the beginning and 138.4MB in the end (delta: 81.8MB). Free memory was 34.2MB in the beginning and 71.9MB in the end (delta: -37.7MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2021-12-28 03:24:17,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.37ms. Allocated memory is still 138.4MB. Free memory was 71.9MB in the beginning and 47.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-28 03:24:17,650 INFO L158 Benchmark]: Boogie Preprocessor took 163.49ms. Allocated memory is still 138.4MB. Free memory was 47.5MB in the beginning and 54.4MB in the end (delta: -7.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-12-28 03:24:17,650 INFO L158 Benchmark]: RCFGBuilder took 4379.25ms. Allocated memory was 138.4MB in the beginning and 274.7MB in the end (delta: 136.3MB). Free memory was 54.4MB in the beginning and 106.0MB in the end (delta: -51.5MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2021-12-28 03:24:17,651 INFO L158 Benchmark]: TraceAbstraction took 9479.48ms. Allocated memory was 274.7MB in the beginning and 549.5MB in the end (delta: 274.7MB). Free memory was 106.0MB in the beginning and 186.2MB in the end (delta: -80.3MB). Peak memory consumption was 193.4MB. Max. memory is 16.1GB. [2021-12-28 03:24:17,651 INFO L158 Benchmark]: Witness Printer took 2.83ms. Allocated memory is still 549.5MB. Free memory was 186.2MB in the beginning and 185.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 03:24:17,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2109.70ms. Allocated memory was 56.6MB in the beginning and 138.4MB in the end (delta: 81.8MB). Free memory was 34.2MB in the beginning and 71.9MB in the end (delta: -37.7MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.37ms. Allocated memory is still 138.4MB. Free memory was 71.9MB in the beginning and 47.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.49ms. Allocated memory is still 138.4MB. Free memory was 47.5MB in the beginning and 54.4MB in the end (delta: -7.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4379.25ms. Allocated memory was 138.4MB in the beginning and 274.7MB in the end (delta: 136.3MB). Free memory was 54.4MB in the beginning and 106.0MB in the end (delta: -51.5MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9479.48ms. Allocated memory was 274.7MB in the beginning and 549.5MB in the end (delta: 274.7MB). Free memory was 106.0MB in the beginning and 186.2MB in the end (delta: -80.3MB). Peak memory consumption was 193.4MB. Max. memory is 16.1GB. * Witness Printer took 2.83ms. Allocated memory is still 549.5MB. Free memory was 186.2MB in the beginning and 185.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, arg0={18446744073709551629:18446744073709551647}, arg0={18446744073709551629:18446744073709551647}, arg1={20:0}, arg1={20:0}, arg2={73:0}, arg2={73:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={73:0}, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={73:0}, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [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, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [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, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [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, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [L6899] COND TRUE (unsigned long )chan != (unsigned long )((struct ppp_channel *)0) [L6900] EXPR chan->ops [L6900] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={-78:79}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [L6900-L6902] COND TRUE (unsigned long )(chan->ops)->ioctl != (unsigned long )((int (* const )(struct ppp_channel * , unsigned int , unsigned long ))0) [L6904] EXPR chan->ops [L6904] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={-78:79}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-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}] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [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, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xstate={-18446744073709551615:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xstate={-18446744073709551615:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xstate={-18446744073709551615:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, 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={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1447 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4360 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4037 mSDsluCounter, 16596 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10619 mSDsCounter, 900 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6541 IncrementalHoareTripleChecker+Invalid, 7441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 900 mSolverCounterUnsat, 5977 mSDtfsCounter, 6541 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3390occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 722 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-28 03:24:17,728 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-dev-ae00767 [2021-12-28 03:24:19,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:24:19,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:24:19,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:24:19,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:24:19,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:24:19,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:24:19,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:24:19,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:24:19,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:24:19,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:24:19,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:24:19,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:24:19,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:24:19,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:24:19,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:24:19,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:24:19,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:24:19,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:24:19,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:24:19,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:24:19,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:24:19,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:24:19,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:24:19,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:24:19,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:24:19,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:24:19,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:24:19,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:24:19,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:24:19,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:24:19,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:24:19,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:24:19,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:24:19,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:24:19,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:24:19,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:24:19,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:24:19,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:24:19,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:24:19,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:24:19,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-28 03:24:19,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:24:19,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:24:19,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:24:19,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:24:19,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:24:19,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:24:19,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:24:19,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:24:19,528 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:24:19,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:24:19,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:24:19,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:24:19,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:24:19,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:24:19,529 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 03:24:19,530 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 03:24:19,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 03:24:19,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:24:19,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:24:19,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:24:19,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:24:19,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:24:19,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:24:19,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:24:19,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:24:19,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:24:19,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:24:19,531 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 03:24:19,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 03:24:19,532 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:24:19,532 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:24:19,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:24:19,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 03:24:19,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-28 03:24:19,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:24:19,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:24:19,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:24:19,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:24:19,938 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:24:19,938 INFO L432 ainManager$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 [2021-12-28 03:24:20,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8da97e8b/e67ac7361e99435f8f49f378020ce7e2/FLAGa2e00a66f [2021-12-28 03:24:20,830 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:24:20,830 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 [2021-12-28 03:24:20,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8da97e8b/e67ac7361e99435f8f49f378020ce7e2/FLAGa2e00a66f [2021-12-28 03:24:20,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8da97e8b/e67ac7361e99435f8f49f378020ce7e2 [2021-12-28 03:24:20,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:24:20,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:24:20,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:24:20,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:24:20,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:24:20,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:20" (1/1) ... [2021-12-28 03:24:20,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b3cf48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:20, skipping insertion in model container [2021-12-28 03:24:20,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:24:20" (1/1) ... [2021-12-28 03:24:20,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:24:21,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:24:22,544 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] [2021-12-28 03:24:22,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:24:22,624 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-28 03:24:22,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:24:22,864 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] [2021-12-28 03:24:22,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:24:22,899 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:24:23,096 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] [2021-12-28 03:24:23,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:24:23,289 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:24:23,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23 WrapperNode [2021-12-28 03:24:23,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:24:23,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:24:23,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:24:23,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:24:23,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,517 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2021-12-28 03:24:23,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:24:23,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:24:23,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:24:23,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:24:23,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:24:23,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:24:23,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:24:23,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:24:23,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (1/1) ... [2021-12-28 03:24:23,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:24:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:24:23,764 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) [2021-12-28 03:24:23,814 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 [2021-12-28 03:24:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-28 03:24:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-28 03:24:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-28 03:24:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-28 03:24:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-28 03:24:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-28 03:24:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-28 03:24:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-28 03:24:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 03:24:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-28 03:24:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-28 03:24:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-28 03:24:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:24:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-28 03:24:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-28 03:24:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-28 03:24:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:24:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-28 03:24:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-28 03:24:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-28 03:24:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-28 03:24:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-28 03:24:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-28 03:24:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-28 03:24:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-28 03:24:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-28 03:24:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-28 03:24:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 03:24:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 03:24:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 03:24:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 03:24:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 03:24:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 03:24:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:24:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:24:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-28 03:24:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-28 03:24:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-28 03:24:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-28 03:24:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-28 03:24:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-28 03:24:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-28 03:24:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-28 03:24:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-28 03:24:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-28 03:24:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 03:24:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 03:24:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-28 03:24:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-28 03:24:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-28 03:24:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-28 03:24:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-28 03:24:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-28 03:24:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 03:24:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 03:24:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:24:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:24:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-28 03:24:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-28 03:24:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:24:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:24:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-28 03:24:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-28 03:24:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-28 03:24:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-28 03:24:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-28 03:24:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-28 03:24:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-28 03:24:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-28 03:24:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:24:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 03:24:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 03:24:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-28 03:24:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-28 03:24:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:24:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-28 03:24:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-28 03:24:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 03:24:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-28 03:24:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:24:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-28 03:24:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-28 03:24:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 03:24:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 03:24:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-28 03:24:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-28 03:24:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-28 03:24:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-28 03:24:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-28 03:24:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 03:24:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 03:24:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 03:24:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 03:24:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-28 03:24:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-28 03:24:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-28 03:24:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-28 03:24:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 03:24:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 03:24:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 03:24:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 03:24:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 03:24:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 03:24:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-28 03:24:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-28 03:24:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-28 03:24:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-28 03:24:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 03:24:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 03:24:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-28 03:24:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-28 03:24:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-28 03:24:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-28 03:24:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-28 03:24:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-28 03:24:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 03:24:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 03:24:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-28 03:24:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-28 03:24:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-28 03:24:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-28 03:24:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 03:24:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 03:24:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-28 03:24:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-28 03:24:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 03:24:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 03:24:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-28 03:24:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-28 03:24:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-28 03:24:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-28 03:24:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-28 03:24:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-28 03:24:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-28 03:24:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-28 03:24:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-28 03:24:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-28 03:24:23,840 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-28 03:24:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-28 03:24:23,840 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:24:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:24:23,840 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-28 03:24:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-28 03:24:23,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-28 03:24:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-28 03:24:23,840 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 03:24:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 03:24:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 03:24:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 03:24:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-28 03:24:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-28 03:24:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-28 03:24:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-28 03:24:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-28 03:24:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-28 03:24:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-28 03:24:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-28 03:24:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-28 03:24:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-28 03:24:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-28 03:24:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-28 03:24:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:24:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 03:24:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 03:24:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 03:24:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 03:24:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:24:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:24:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-28 03:24:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-28 03:24:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-28 03:24:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-28 03:24:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-28 03:24:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 03:24:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 03:24:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 03:24:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 03:24:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-28 03:24:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-28 03:24:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 03:24:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 03:24:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-28 03:24:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-28 03:24:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 03:24:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 03:24:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-28 03:24:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-28 03:24:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 03:24:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 03:24:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-28 03:24:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-28 03:24:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-28 03:24:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-28 03:24:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-28 03:24:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-28 03:24:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-28 03:24:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 03:24:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 03:24:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:24:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:24:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-28 03:24:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-28 03:24:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 03:24:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 03:24:24,315 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:24:24,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:24:27,094 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-28 03:24:27,095 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-28 03:24:37,844 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:37,847 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:37,849 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:37,850 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:37,862 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-28 03:24:48,733 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2021-12-28 03:24:48,733 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2021-12-28 03:24:48,733 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2021-12-28 03:24:48,733 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-12-28 03:24:48,734 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-28 03:24:48,735 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2021-12-28 03:24:48,736 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2021-12-28 03:24:48,808 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:24:48,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:24:48,822 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-28 03:24:48,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:48 BoogieIcfgContainer [2021-12-28 03:24:48,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:24:48,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:24:48,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:24:48,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:24:48,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:24:20" (1/3) ... [2021-12-28 03:24:48,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df2a69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:48, skipping insertion in model container [2021-12-28 03:24:48,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:24:23" (2/3) ... [2021-12-28 03:24:48,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df2a69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:24:48, skipping insertion in model container [2021-12-28 03:24:48,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:24:48" (3/3) ... [2021-12-28 03:24:48,832 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-28 03:24:48,836 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:24:48,836 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:24:48,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:24:48,880 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 03:24:48,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:24:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) [2021-12-28 03:24:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-28 03:24:48,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:48,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:48,940 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:48,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2021-12-28 03:24:48,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-28 03:24:48,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369455878] [2021-12-28 03:24:48,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:48,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-28 03:24:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-28 03:24:48,976 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) [2021-12-28 03:24:48,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-28 03:24:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:49,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 03:24:49,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 03:24:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:24:49,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 03:24:49,749 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-28 03:24:49,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369455878] [2021-12-28 03:24:49,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369455878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:24:49,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:24:49,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 03:24:49,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97837224] [2021-12-28 03:24:49,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:24:49,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:24:49,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-28 03:24:49,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:24:49,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:24:49,774 INFO L87 Difference]: Start difference. First operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:24:49,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:24:49,993 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2021-12-28 03:24:49,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:24:49,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-28 03:24:49,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:24:50,015 INFO L225 Difference]: With dead ends: 4250 [2021-12-28 03:24:50,015 INFO L226 Difference]: Without dead ends: 2804 [2021-12-28 03:24:50,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:24:50,025 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 1978 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 03:24:50,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 03:24:50,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-12-28 03:24:50,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2021-12-28 03:24:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3291139240506329) internal successors, (2625), 2042 states have internal predecessors, (2625), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-12-28 03:24:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2021-12-28 03:24:50,157 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2021-12-28 03:24:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:24:50,158 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2021-12-28 03:24:50,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:24:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2021-12-28 03:24:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-28 03:24:50,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:50,165 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:50,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-28 03:24:50,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-28 03:24:50,381 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:50,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:50,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2021-12-28 03:24:50,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-28 03:24:50,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056669205] [2021-12-28 03:24:50,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:50,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-28 03:24:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-28 03:24:50,400 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) [2021-12-28 03:24:50,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-28 03:24:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:51,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 03:24:51,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 03:24:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-28 03:24:52,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 03:24:52,079 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-28 03:24:52,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056669205] [2021-12-28 03:24:52,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056669205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:24:52,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:24:52,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:24:52,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905231912] [2021-12-28 03:24:52,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:24:52,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:24:52,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-28 03:24:52,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:24:52,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 03:24:52,081 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:24:52,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:24:52,339 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2021-12-28 03:24:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 03:24:52,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 74 [2021-12-28 03:24:52,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:24:52,353 INFO L225 Difference]: With dead ends: 5578 [2021-12-28 03:24:52,353 INFO L226 Difference]: Without dead ends: 2801 [2021-12-28 03:24:52,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-28 03:24:52,365 INFO L933 BasicCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:24:52,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:24:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-12-28 03:24:52,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-12-28 03:24:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3281012658227849) internal successors, (2623), 2040 states have internal predecessors, (2623), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2021-12-28 03:24:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2021-12-28 03:24:52,451 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2021-12-28 03:24:52,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:24:52,451 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2021-12-28 03:24:52,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-28 03:24:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2021-12-28 03:24:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-28 03:24:52,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:52,456 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:52,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-28 03:24:52,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-28 03:24:52,675 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:52,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2021-12-28 03:24:52,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-28 03:24:52,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404210273] [2021-12-28 03:24:52,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:52,677 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-28 03:24:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-28 03:24:52,678 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) [2021-12-28 03:24:52,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-28 03:24:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:53,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 03:24:53,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 03:24:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-28 03:24:54,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 03:24:54,471 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-28 03:24:54,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404210273] [2021-12-28 03:24:54,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404210273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:24:54,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:24:54,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:24:54,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041606010] [2021-12-28 03:24:54,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:24:54,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:24:54,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-28 03:24:54,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:24:54,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:24:54,473 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 03:24:54,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:24:54,747 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2021-12-28 03:24:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:24:54,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2021-12-28 03:24:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:24:54,776 INFO L225 Difference]: With dead ends: 6586 [2021-12-28 03:24:54,777 INFO L226 Difference]: Without dead ends: 3812 [2021-12-28 03:24:54,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:24:54,791 INFO L933 BasicCegarLoop]: 2334 mSDtfsCounter, 502 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:24:54,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 4331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:24:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2021-12-28 03:24:54,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2021-12-28 03:24:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2682 states have (on average 1.3434004474272931) internal successors, (3603), 2761 states have internal predecessors, (3603), 929 states have call successors, (929), 185 states have call predecessors, (929), 184 states have return successors, (933), 909 states have call predecessors, (933), 927 states have call successors, (933) [2021-12-28 03:24:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2021-12-28 03:24:54,935 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2021-12-28 03:24:54,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:24:54,935 INFO L470 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2021-12-28 03:24:54,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 03:24:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2021-12-28 03:24:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-28 03:24:54,940 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:24:54,941 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:24:54,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-28 03:24:55,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-28 03:24:55,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:24:55,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:24:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2021-12-28 03:24:55,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-28 03:24:55,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091479176] [2021-12-28 03:24:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:24:55,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-28 03:24:55,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-28 03:24:55,159 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) [2021-12-28 03:24:55,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-28 03:24:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:24:56,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 03:24:56,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 03:24:56,709 INFO L353 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-12-28 03:24:56,710 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2021-12-28 03:24:59,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-28 03:24:59,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-28 03:24:59,707 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-28 03:24:59,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091479176] [2021-12-28 03:24:59,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091479176] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:24:59,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:24:59,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:24:59,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403964743] [2021-12-28 03:24:59,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:24:59,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:24:59,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-28 03:24:59,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:24:59,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-28 03:24:59,708 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)