./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--wan--hdlc_ppp.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--wan--hdlc_ppp.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 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:07:29,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:07:29,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:07:29,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:07:29,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:07:29,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:07:29,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:07:29,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:07:29,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:07:29,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:07:29,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:07:29,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:07:29,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:07:29,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:07:29,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:07:29,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:07:29,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:07:29,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:07:29,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:07:29,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:07:29,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:07:29,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:07:29,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:07:29,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:07:29,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:07:29,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:07:29,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:07:29,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:07:29,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:07:29,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:07:29,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:07:29,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:07:29,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:07:29,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:07:29,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:07:29,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:07:29,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:07:29,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:07:29,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:07:29,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:07:29,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:07:29,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:07:29,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:07:29,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:07:29,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:07:29,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:07:29,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:07:29,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:07:29,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:07:29,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:07:29,283 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:07:29,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:07:29,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:07:29,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:07:29,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:07:29,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:07:29,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:07:29,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:07:29,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:07:29,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:07:29,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:07:29,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:07:29,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:07:29,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:29,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:07:29,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:07:29,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:07:29,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:07:29,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:07:29,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:07:29,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:07:29,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:07:29,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:07:29,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e [2021-12-15 13:07:29,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:07:29,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:07:29,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:07:29,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:07:29,654 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:07:29,655 INFO L432 ainManager$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--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-12-15 13:07:29,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeef0055d/3f7c9b1aedcc4a45a2b3eb733b7bad54/FLAG19591bcd7 [2021-12-15 13:07:30,341 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:07:30,342 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--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-12-15 13:07:30,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeef0055d/3f7c9b1aedcc4a45a2b3eb733b7bad54/FLAG19591bcd7 [2021-12-15 13:07:30,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeef0055d/3f7c9b1aedcc4a45a2b3eb733b7bad54 [2021-12-15 13:07:30,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:07:30,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:07:30,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:30,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:07:30,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:07:30,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:30" (1/1) ... [2021-12-15 13:07:30,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ba887e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:30, skipping insertion in model container [2021-12-15 13:07:30,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:30" (1/1) ... [2021-12-15 13:07:30,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:07:30,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:31,042 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--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-12-15 13:07:31,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:31,320 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:07:31,512 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--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-12-15 13:07:31,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:31,714 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:07:31,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31 WrapperNode [2021-12-15 13:07:31,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:31,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:31,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:07:31,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:07:31,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,835 INFO L137 Inliner]: procedures = 134, calls = 555, calls flagged for inlining = 53, calls inlined = 50, statements flattened = 1647 [2021-12-15 13:07:31,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:31,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:07:31,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:07:31,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:07:31,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:07:31,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:07:31,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:07:31,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:07:31,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:31" (1/1) ... [2021-12-15 13:07:31,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:07:32,046 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 13:07:32,115 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 13:07:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2021-12-15 13:07:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2021-12-15 13:07:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:07:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:07:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2021-12-15 13:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2021-12-15 13:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2021-12-15 13:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2021-12-15 13:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-15 13:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-15 13:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-15 13:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-15 13:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-15 13:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-15 13:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2021-12-15 13:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2021-12-15 13:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-15 13:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-15 13:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2021-12-15 13:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2021-12-15 13:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-15 13:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-15 13:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:07:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:07:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:07:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2021-12-15 13:07:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2021-12-15 13:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2021-12-15 13:07:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2021-12-15 13:07:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:07:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:07:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:07:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2021-12-15 13:07:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2021-12-15 13:07:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:07:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:07:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:07:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:07:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:07:32,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:07:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:07:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2021-12-15 13:07:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2021-12-15 13:07:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:07:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:07:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 13:07:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 13:07:32,142 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:07:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:07:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-15 13:07:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-15 13:07:32,143 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2021-12-15 13:07:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2021-12-15 13:07:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:07:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2021-12-15 13:07:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2021-12-15 13:07:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:07:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:07:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:07:32,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:07:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:07:32,517 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:07:32,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:07:32,872 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:07:32,878 INFO L158 Benchmark]: Toolchain (without parser) took 2361.47ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 94.1MB in the beginning and 82.6MB in the end (delta: 11.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2021-12-15 13:07:32,879 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:07:32,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.23ms. Allocated memory is still 119.5MB. Free memory was 93.4MB in the beginning and 67.1MB in the end (delta: 26.3MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2021-12-15 13:07:32,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.66ms. Allocated memory is still 119.5MB. Free memory was 67.1MB in the beginning and 57.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:07:32,880 INFO L158 Benchmark]: Boogie Preprocessor took 118.69ms. Allocated memory is still 119.5MB. Free memory was 57.1MB in the beginning and 47.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:07:32,881 INFO L158 Benchmark]: RCFGBuilder took 918.99ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 46.6MB in the beginning and 82.6MB in the end (delta: -36.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-12-15 13:07:32,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 59.7MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.23ms. Allocated memory is still 119.5MB. Free memory was 93.4MB in the beginning and 67.1MB in the end (delta: 26.3MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.66ms. Allocated memory is still 119.5MB. Free memory was 67.1MB in the beginning and 57.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.69ms. Allocated memory is still 119.5MB. Free memory was 57.1MB in the beginning and 47.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 918.99ms. Allocated memory was 119.5MB in the beginning and 176.2MB in the end (delta: 56.6MB). Free memory was 46.6MB in the beginning and 82.6MB in the end (delta: -36.0MB). Peak memory consumption was 18.2MB. 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 13:07:32,922 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--wan--hdlc_ppp.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 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:07:34,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:07:34,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:07:34,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:07:34,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:07:34,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:07:34,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:07:34,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:07:34,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:07:34,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:07:34,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:07:34,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:07:34,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:07:34,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:07:34,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:07:34,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:07:34,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:07:34,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:07:34,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:07:34,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:07:34,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:07:34,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:07:34,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:07:34,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:07:34,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:07:34,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:07:34,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:07:34,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:07:34,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:07:34,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:07:34,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:07:34,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:07:34,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:07:34,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:07:34,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:07:34,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:07:34,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:07:34,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:07:34,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:07:34,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:07:34,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:07:34,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:07:34,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:07:34,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:07:34,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:07:34,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:07:34,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:07:34,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:07:34,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:07:34,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:07:34,994 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:07:34,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:07:34,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:07:34,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:07:34,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:07:34,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:07:34,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:07:34,996 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:07:34,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:07:34,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:07:34,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:07:34,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:07:34,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:07:34,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:07:34,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:07:34,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:34,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:07:34,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:07:34,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:07:34,999 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:07:34,999 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:07:34,999 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:07:34,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:07:35,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:07:35,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:07:35,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:07:35,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 790ee47547867d006f1299e2cf5c9d6d26b057091574ae3950813e98f75c3c5e [2021-12-15 13:07:35,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:07:35,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:07:35,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:07:35,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:07:35,285 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:07:35,286 INFO L432 ainManager$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--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-12-15 13:07:35,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226b31572/09d131156e444656b40c48b3c50e2e9e/FLAGd0d03339b [2021-12-15 13:07:35,932 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:07:35,933 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--wan--hdlc_ppp.ko-entry_point.cil.out.i [2021-12-15 13:07:35,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226b31572/09d131156e444656b40c48b3c50e2e9e/FLAGd0d03339b [2021-12-15 13:07:36,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226b31572/09d131156e444656b40c48b3c50e2e9e [2021-12-15 13:07:36,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:07:36,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:07:36,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:36,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:07:36,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:07:36,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:36" (1/1) ... [2021-12-15 13:07:36,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ac0b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:36, skipping insertion in model container [2021-12-15 13:07:36,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:36" (1/1) ... [2021-12-15 13:07:36,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:07:36,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:37,070 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--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-12-15 13:07:37,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:37,389 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:07:37,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:37,548 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--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-12-15 13:07:37,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:37,665 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:07:37,790 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--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2021-12-15 13:07:37,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:37,971 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:07:37,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37 WrapperNode [2021-12-15 13:07:37,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:37,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:37,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:07:37,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:07:37,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,074 INFO L137 Inliner]: procedures = 148, calls = 555, calls flagged for inlining = 53, calls inlined = 50, statements flattened = 1601 [2021-12-15 13:07:38,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:38,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:07:38,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:07:38,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:07:38,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:07:38,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:07:38,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:07:38,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:07:38,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:37" (1/1) ... [2021-12-15 13:07:38,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:38,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:07:38,231 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 13:07:38,258 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 13:07:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2021-12-15 13:07:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2021-12-15 13:07:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:07:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:07:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2021-12-15 13:07:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2021-12-15 13:07:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:07:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2021-12-15 13:07:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2021-12-15 13:07:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:07:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-15 13:07:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-15 13:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:07:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:07:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-15 13:07:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-15 13:07:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:07:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:07:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-15 13:07:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-15 13:07:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:07:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:07:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2021-12-15 13:07:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2021-12-15 13:07:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-15 13:07:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-15 13:07:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:07:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:07:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:07:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:07:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2021-12-15 13:07:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2021-12-15 13:07:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-15 13:07:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-15 13:07:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:07:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:07:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:07:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:07:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:07:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:07:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:07:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:07:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:07:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:07:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:07:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:07:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2021-12-15 13:07:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2021-12-15 13:07:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:07:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:07:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2021-12-15 13:07:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2021-12-15 13:07:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:07:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:07:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:07:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:07:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:07:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:07:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2021-12-15 13:07:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2021-12-15 13:07:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:07:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 13:07:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 13:07:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:07:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:07:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:07:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:07:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2021-12-15 13:07:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2021-12-15 13:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:07:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:07:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 13:07:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 13:07:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:07:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:07:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-15 13:07:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-15 13:07:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2021-12-15 13:07:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2021-12-15 13:07:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:07:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2021-12-15 13:07:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2021-12-15 13:07:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:07:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:07:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:07:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:07:38,617 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:07:38,619 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:07:40,155 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:07:40,159 INFO L158 Benchmark]: Toolchain (without parser) took 3799.97ms. Allocated memory was 60.8MB in the beginning and 289.4MB in the end (delta: 228.6MB). Free memory was 38.1MB in the beginning and 220.8MB in the end (delta: -182.7MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2021-12-15 13:07:40,160 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:07:40,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1612.30ms. Allocated memory was 60.8MB in the beginning and 144.7MB in the end (delta: 83.9MB). Free memory was 37.9MB in the beginning and 87.1MB in the end (delta: -49.2MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2021-12-15 13:07:40,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.41ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 77.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:07:40,161 INFO L158 Benchmark]: Boogie Preprocessor took 107.95ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 65.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:07:40,161 INFO L158 Benchmark]: RCFGBuilder took 1974.04ms. Allocated memory was 144.7MB in the beginning and 289.4MB in the end (delta: 144.7MB). Free memory was 65.4MB in the beginning and 220.8MB in the end (delta: -155.3MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-12-15 13:07:40,164 INFO L339 ainManager$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 50.3MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1612.30ms. Allocated memory was 60.8MB in the beginning and 144.7MB in the end (delta: 83.9MB). Free memory was 37.9MB in the beginning and 87.1MB in the end (delta: -49.2MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.41ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 77.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.95ms. Allocated memory is still 144.7MB. Free memory was 76.7MB in the beginning and 65.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1974.04ms. Allocated memory was 144.7MB in the beginning and 289.4MB in the end (delta: 144.7MB). Free memory was 65.4MB in the beginning and 220.8MB in the end (delta: -155.3MB). Peak memory consumption was 18.1MB. 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 13:07:40,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable