./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.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 ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:07:19,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:07:19,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:07:19,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:07:19,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:07:19,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:07:19,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:07:19,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:07:19,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:07:19,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:07:19,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:07:19,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:07:19,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:07:19,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:07:19,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:07:19,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:07:19,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:07:19,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:07:19,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:07:19,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:07:19,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:07:19,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:07:19,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:07:19,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:07:19,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:07:19,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:07:19,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:07:19,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:07:19,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:07:19,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:07:19,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:07:19,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:07:19,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:07:19,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:07:19,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:07:19,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:07:19,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:07:19,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:07:19,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:07:19,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:07:19,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:07:19,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:07:19,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:07:19,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:07:19,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:07:19,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:07:19,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:07:19,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:07:19,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:07:19,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:07:19,172 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:07:19,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:07:19,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:07:19,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:07:19,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:07:19,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:07:19,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:07:19,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:07:19,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:07:19,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:07:19,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:07:19,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:07:19,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:07:19,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:19,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:07:19,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:07:19,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:07:19,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:07:19,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:07:19,177 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:07:19,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:07:19,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:07:19,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:07:19,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 [2021-12-15 13:07:19,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:07:19,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:07:19,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:07:19,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:07:19,396 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:07:19,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-12-15 13:07:19,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16874a0c9/055ca56c8da34d7bad400f0162ed4e3e/FLAGdde4b188c [2021-12-15 13:07:20,018 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:07:20,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-12-15 13:07:20,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16874a0c9/055ca56c8da34d7bad400f0162ed4e3e/FLAGdde4b188c [2021-12-15 13:07:20,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16874a0c9/055ca56c8da34d7bad400f0162ed4e3e [2021-12-15 13:07:20,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:07:20,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:07:20,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:20,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:07:20,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:07:20,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:20" (1/1) ... [2021-12-15 13:07:20,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295c6898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:20, skipping insertion in model container [2021-12-15 13:07:20,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:20" (1/1) ... [2021-12-15 13:07:20,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:07:20,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:21,349 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-12-15 13:07:21,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:21,937 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:07:22,044 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-12-15 13:07:22,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:22,266 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:07:22,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22 WrapperNode [2021-12-15 13:07:22,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:22,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:22,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:07:22,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:07:22,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,499 INFO L137 Inliner]: procedures = 375, calls = 2229, calls flagged for inlining = 193, calls inlined = 191, statements flattened = 6424 [2021-12-15 13:07:22,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:22,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:07:22,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:07:22,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:07:22,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:07:22,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:07:22,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:07:22,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:07:22,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:22" (1/1) ... [2021-12-15 13:07:22,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:22,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:07:22,748 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) [2021-12-15 13:07:22,805 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 [2021-12-15 13:07:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2021-12-15 13:07:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2021-12-15 13:07:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-15 13:07:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-15 13:07:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-15 13:07:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-15 13:07:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-15 13:07:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-15 13:07:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:07:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-15 13:07:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-15 13:07:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:07:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:07:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:07:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:07:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:07:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:07:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-15 13:07:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-15 13:07:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-15 13:07:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-15 13:07:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-15 13:07:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-15 13:07:22,827 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-15 13:07:22,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-15 13:07:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-15 13:07:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-15 13:07:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 13:07:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 13:07:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:07:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:07:22,828 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:07:22,828 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:07:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:07:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:07:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-15 13:07:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-15 13:07:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-15 13:07:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-15 13:07:22,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-15 13:07:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-15 13:07:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-15 13:07:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-15 13:07:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:07:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:07:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-15 13:07:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-15 13:07:22,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:07:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:07:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-15 13:07:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-15 13:07:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:07:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:07:22,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:07:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:07:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-15 13:07:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-15 13:07:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:07:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:07:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:07:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:07:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:07:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:07:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-15 13:07:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-15 13:07:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2021-12-15 13:07:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2021-12-15 13:07:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-15 13:07:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-15 13:07:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-15 13:07:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-15 13:07:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:07:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:07:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:07:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-15 13:07:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-15 13:07:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-15 13:07:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-15 13:07:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:07:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-15 13:07:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-15 13:07:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2021-12-15 13:07:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2021-12-15 13:07:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-15 13:07:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-15 13:07:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:07:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:07:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-12-15 13:07:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-12-15 13:07:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:07:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:07:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:07:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:07:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-12-15 13:07:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-12-15 13:07:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-15 13:07:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-15 13:07:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:07:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:07:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:07:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:07:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2021-12-15 13:07:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2021-12-15 13:07:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:07:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:07:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 13:07:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 13:07:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-15 13:07:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-15 13:07:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:07:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:07:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:07:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:07:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:07:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:07:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-15 13:07:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-15 13:07:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-15 13:07:22,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-15 13:07:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:07:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:07:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:07:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:07:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:07:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:07:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:07:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:07:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:07:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-15 13:07:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-15 13:07:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:07:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:07:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-15 13:07:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-15 13:07:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2021-12-15 13:07:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2021-12-15 13:07:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:07:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-15 13:07:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-15 13:07:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-15 13:07:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-15 13:07:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:07:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:07:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:07:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-15 13:07:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-15 13:07:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-12-15 13:07:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-12-15 13:07:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-15 13:07:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-15 13:07:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-15 13:07:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-15 13:07:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-15 13:07:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-15 13:07:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-12-15 13:07:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-12-15 13:07:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-12-15 13:07:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-12-15 13:07:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-12-15 13:07:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-12-15 13:07:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-15 13:07:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-15 13:07:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2021-12-15 13:07:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2021-12-15 13:07:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-15 13:07:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-15 13:07:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-15 13:07:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-15 13:07:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-15 13:07:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-15 13:07:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 13:07:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 13:07:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:07:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:07:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-15 13:07:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-15 13:07:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-12-15 13:07:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-12-15 13:07:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-15 13:07:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-15 13:07:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:07:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:07:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:07:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-15 13:07:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-15 13:07:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:07:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:07:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2021-12-15 13:07:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2021-12-15 13:07:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:07:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:07:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-15 13:07:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-15 13:07:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-15 13:07:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-15 13:07:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:07:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:07:22,857 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:07:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-15 13:07:22,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-15 13:07:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:07:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:07:22,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:07:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:07:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:07:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:07:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:07:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-15 13:07:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-15 13:07:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:07:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:07:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:07:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:07:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:07:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:07:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-12-15 13:07:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-12-15 13:07:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:07:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:07:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:07:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:07:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:07:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:07:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-15 13:07:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-15 13:07:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 13:07:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 13:07:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-15 13:07:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-15 13:07:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:07:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:07:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-12-15 13:07:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-12-15 13:07:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:07:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:07:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-12-15 13:07:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-12-15 13:07:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-15 13:07:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-15 13:07:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:07:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:07:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-15 13:07:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-15 13:07:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-15 13:07:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-15 13:07:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2021-12-15 13:07:22,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2021-12-15 13:07:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-15 13:07:22,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-15 13:07:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:07:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-15 13:07:22,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-15 13:07:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:07:22,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:07:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:07:22,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:07:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:07:22,866 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:07:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:07:22,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:07:23,548 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:07:23,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:07:24,062 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:07:24,066 INFO L158 Benchmark]: Toolchain (without parser) took 3894.53ms. Allocated memory was 102.8MB in the beginning and 369.1MB in the end (delta: 266.3MB). Free memory was 58.8MB in the beginning and 249.9MB in the end (delta: -191.1MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2021-12-15 13:07:24,067 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:07:24,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2095.73ms. Allocated memory was 102.8MB in the beginning and 186.6MB in the end (delta: 83.9MB). Free memory was 58.5MB in the beginning and 91.5MB in the end (delta: -33.0MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2021-12-15 13:07:24,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 232.10ms. Allocated memory is still 186.6MB. Free memory was 91.5MB in the beginning and 99.6MB in the end (delta: -8.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-12-15 13:07:24,068 INFO L158 Benchmark]: Boogie Preprocessor took 223.30ms. Allocated memory is still 186.6MB. Free memory was 99.6MB in the beginning and 61.0MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 13:07:24,068 INFO L158 Benchmark]: RCFGBuilder took 1339.94ms. Allocated memory was 186.6MB in the beginning and 369.1MB in the end (delta: 182.5MB). Free memory was 61.0MB in the beginning and 249.9MB in the end (delta: -188.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-12-15 13:07:24,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2095.73ms. Allocated memory was 102.8MB in the beginning and 186.6MB in the end (delta: 83.9MB). Free memory was 58.5MB in the beginning and 91.5MB in the end (delta: -33.0MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 232.10ms. Allocated memory is still 186.6MB. Free memory was 91.5MB in the beginning and 99.6MB in the end (delta: -8.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 223.30ms. Allocated memory is still 186.6MB. Free memory was 99.6MB in the beginning and 61.0MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1339.94ms. Allocated memory was 186.6MB in the beginning and 369.1MB in the end (delta: 182.5MB). Free memory was 61.0MB in the beginning and 249.9MB in the end (delta: -188.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:07:24,097 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.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 ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:07:25,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:07:25,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:07:25,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:07:25,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:07:25,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:07:25,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:07:25,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:07:25,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:07:25,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:07:25,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:07:25,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:07:25,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:07:25,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:07:25,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:07:25,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:07:25,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:07:25,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:07:25,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:07:25,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:07:25,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:07:25,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:07:25,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:07:25,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:07:25,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:07:25,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:07:25,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:07:25,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:07:25,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:07:25,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:07:25,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:07:25,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:07:25,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:07:25,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:07:25,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:07:25,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:07:25,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:07:25,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:07:25,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:07:25,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:07:25,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:07:25,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:07:25,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:07:25,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:07:25,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:07:25,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:07:25,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:07:25,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:07:25,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:07:25,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:07:25,936 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:07:25,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:07:25,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:07:25,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:07:25,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:07:25,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:07:25,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:07:25,938 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:07:25,938 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:07:25,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:07:25,938 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:07:25,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:07:25,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:07:25,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:07:25,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:07:25,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:25,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:07:25,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:07:25,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:07:25,940 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:07:25,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:07:25,940 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:07:25,940 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:07:25,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:07:25,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:07:25,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:07:25,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed18c341b13cb38f54b1bbde59f9cd5a73bcebd88430e5620ebca0060f7baed5 [2021-12-15 13:07:26,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:07:26,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:07:26,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:07:26,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:07:26,215 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:07:26,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-12-15 13:07:26,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1d344e5/7ad2249cd79c4b249fa36863058c00c9/FLAGd78d901c4 [2021-12-15 13:07:26,941 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:07:26,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-12-15 13:07:26,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1d344e5/7ad2249cd79c4b249fa36863058c00c9/FLAGd78d901c4 [2021-12-15 13:07:27,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1d344e5/7ad2249cd79c4b249fa36863058c00c9 [2021-12-15 13:07:27,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:07:27,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:07:27,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:27,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:07:27,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:07:27,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:27" (1/1) ... [2021-12-15 13:07:27,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd4ecdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:27, skipping insertion in model container [2021-12-15 13:07:27,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:27" (1/1) ... [2021-12-15 13:07:27,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:07:27,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:28,566 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-12-15 13:07:29,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:29,246 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:07:29,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:29,404 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-12-15 13:07:29,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:29,566 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:07:29,676 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[198800,198813] [2021-12-15 13:07:29,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:29,969 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:07:29,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29 WrapperNode [2021-12-15 13:07:29,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:29,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:29,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:07:29,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:07:29,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,234 INFO L137 Inliner]: procedures = 391, calls = 2228, calls flagged for inlining = 195, calls inlined = 193, statements flattened = 6280 [2021-12-15 13:07:30,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:30,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:07:30,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:07:30,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:07:30,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:07:30,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:07:30,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:07:30,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:07:30,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:29" (1/1) ... [2021-12-15 13:07:30,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:30,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:07:30,472 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) [2021-12-15 13:07:30,490 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 [2021-12-15 13:07:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-15 13:07:30,501 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-15 13:07:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:07:30,501 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:07:30,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:07:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-15 13:07:30,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-15 13:07:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-15 13:07:30,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-15 13:07:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 13:07:30,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 13:07:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:07:30,502 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:07:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:07:30,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:07:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-15 13:07:30,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-15 13:07:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-15 13:07:30,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-15 13:07:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-15 13:07:30,503 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-15 13:07:30,503 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:07:30,504 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:07:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-15 13:07:30,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-15 13:07:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2021-12-15 13:07:30,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2021-12-15 13:07:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-15 13:07:30,504 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-15 13:07:30,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-15 13:07:30,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-15 13:07:30,505 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2021-12-15 13:07:30,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2021-12-15 13:07:30,505 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-15 13:07:30,505 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-15 13:07:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-15 13:07:30,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-15 13:07:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:07:30,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:07:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:07:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:07:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:07:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:07:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:07:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:07:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:07:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:07:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-15 13:07:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-15 13:07:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:07:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:07:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:07:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:07:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:07:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:07:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:07:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:07:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:07:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:07:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-15 13:07:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-15 13:07:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-15 13:07:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-15 13:07:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-12-15 13:07:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-12-15 13:07:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-12-15 13:07:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-12-15 13:07:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-12-15 13:07:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-12-15 13:07:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-15 13:07:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-15 13:07:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-15 13:07:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-15 13:07:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-15 13:07:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-15 13:07:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:07:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:07:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:07:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:07:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-15 13:07:30,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-15 13:07:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:07:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-15 13:07:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-15 13:07:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:07:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:07:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:07:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:07:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:07:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:07:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:07:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:07:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:07:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:07:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-15 13:07:30,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-15 13:07:30,515 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2021-12-15 13:07:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2021-12-15 13:07:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 13:07:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 13:07:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-15 13:07:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-15 13:07:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:07:30,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:07:30,516 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-15 13:07:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-15 13:07:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-15 13:07:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-15 13:07:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2021-12-15 13:07:30,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2021-12-15 13:07:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:07:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-15 13:07:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-15 13:07:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:07:30,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:07:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:07:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:07:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:07:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:07:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2021-12-15 13:07:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2021-12-15 13:07:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:07:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:07:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-15 13:07:30,526 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-15 13:07:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-15 13:07:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-15 13:07:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:07:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:07:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:07:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:07:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:07:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:07:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-15 13:07:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-15 13:07:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-15 13:07:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-15 13:07:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-15 13:07:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-15 13:07:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:07:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:07:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-15 13:07:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-15 13:07:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-15 13:07:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-15 13:07:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:07:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:07:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-15 13:07:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-15 13:07:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:07:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:07:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-15 13:07:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-15 13:07:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:07:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:07:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:07:30,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:07:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-15 13:07:30,530 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-15 13:07:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:07:30,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:07:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:07:30,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:07:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-15 13:07:30,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-15 13:07:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:07:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:07:30,531 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:07:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-15 13:07:30,531 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-15 13:07:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:07:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-15 13:07:30,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-15 13:07:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-12-15 13:07:30,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-12-15 13:07:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:07:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:07:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:07:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:07:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:07:30,532 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-12-15 13:07:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-12-15 13:07:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-15 13:07:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-15 13:07:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:07:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:07:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2021-12-15 13:07:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2021-12-15 13:07:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 13:07:30,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 13:07:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:07:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:07:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:07:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:07:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-15 13:07:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-15 13:07:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-15 13:07:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-15 13:07:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:07:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:07:30,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-12-15 13:07:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_UINT [2021-12-15 13:07:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-15 13:07:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-15 13:07:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-15 13:07:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-15 13:07:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2021-12-15 13:07:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2021-12-15 13:07:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-15 13:07:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-15 13:07:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:07:30,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:07:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-15 13:07:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-15 13:07:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-15 13:07:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-15 13:07:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-15 13:07:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-15 13:07:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-12-15 13:07:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-12-15 13:07:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-15 13:07:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-15 13:07:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2021-12-15 13:07:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2021-12-15 13:07:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-15 13:07:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-15 13:07:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 13:07:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 13:07:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:07:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:07:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-15 13:07:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-15 13:07:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-12-15 13:07:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-12-15 13:07:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-15 13:07:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-15 13:07:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:07:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-15 13:07:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-15 13:07:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:07:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:07:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:07:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2021-12-15 13:07:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2021-12-15 13:07:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:07:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:07:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-15 13:07:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-15 13:07:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:07:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:07:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:07:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:07:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:07:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:07:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:07:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:07:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:07:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:07:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:07:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:07:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-15 13:07:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-15 13:07:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-12-15 13:07:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-12-15 13:07:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:07:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:07:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-12-15 13:07:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-12-15 13:07:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-15 13:07:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-15 13:07:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:07:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:07:31,269 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:07:31,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:07:35,706 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:07:35,709 INFO L158 Benchmark]: Toolchain (without parser) took 8461.09ms. Allocated memory was 58.7MB in the beginning and 536.9MB in the end (delta: 478.2MB). Free memory was 30.2MB in the beginning and 387.2MB in the end (delta: -357.0MB). Peak memory consumption was 131.0MB. Max. memory is 16.1GB. [2021-12-15 13:07:35,710 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:07:35,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2719.96ms. Allocated memory was 58.7MB in the beginning and 228.6MB in the end (delta: 169.9MB). Free memory was 30.1MB in the beginning and 97.2MB in the end (delta: -67.1MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. [2021-12-15 13:07:35,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 253.68ms. Allocated memory is still 228.6MB. Free memory was 144.1MB in the beginning and 125.5MB in the end (delta: 18.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 13:07:35,710 INFO L158 Benchmark]: Boogie Preprocessor took 210.48ms. Allocated memory is still 228.6MB. Free memory was 125.5MB in the beginning and 124.1MB in the end (delta: 1.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2021-12-15 13:07:35,711 INFO L158 Benchmark]: RCFGBuilder took 5261.42ms. Allocated memory was 228.6MB in the beginning and 536.9MB in the end (delta: 308.3MB). Free memory was 124.1MB in the beginning and 387.2MB in the end (delta: -263.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-12-15 13:07:35,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2719.96ms. Allocated memory was 58.7MB in the beginning and 228.6MB in the end (delta: 169.9MB). Free memory was 30.1MB in the beginning and 97.2MB in the end (delta: -67.1MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 253.68ms. Allocated memory is still 228.6MB. Free memory was 144.1MB in the beginning and 125.5MB in the end (delta: 18.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.48ms. Allocated memory is still 228.6MB. Free memory was 125.5MB in the beginning and 124.1MB in the end (delta: 1.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5261.42ms. Allocated memory was 228.6MB in the beginning and 536.9MB in the end (delta: 308.3MB). Free memory was 124.1MB in the beginning and 387.2MB in the end (delta: -263.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:07:35,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable