./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.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 1cccbd170603672b3f74a5336cc730c4afa341837cef68e5226707c3c82e670c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:53,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:53,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:53,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:53,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:53,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:53,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:53,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:53,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:53,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:53,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:53,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:53,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:53,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:53,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:53,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:53,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:53,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:53,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:53,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:53,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:53,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:53,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:53,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:53,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:53,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:53,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:53,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:53,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:53,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:53,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:53,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:53,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:53,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:53,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:53,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:53,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:53,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:53,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:53,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:53,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:53,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:06:53,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:53,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:53,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:53,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:53,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:53,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:53,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:53,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:53,704 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:53,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:53,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:06:53,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:53,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:53,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:53,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:53,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:53,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:53,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:53,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:53,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:53,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:53,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:53,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:53,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:53,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:53,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:06:53,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:06:53,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:53,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:53,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:53,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:53,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cccbd170603672b3f74a5336cc730c4afa341837cef68e5226707c3c82e670c [2021-12-15 13:06:53,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:53,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:53,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:53,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:53,955 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:53,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2021-12-15 13:06:54,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b7df6d5/923668d9e60542cbbdd0ffd10f96c2e3/FLAG3306504d7 [2021-12-15 13:06:54,609 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:06:54,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2021-12-15 13:06:54,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b7df6d5/923668d9e60542cbbdd0ffd10f96c2e3/FLAG3306504d7 [2021-12-15 13:06:55,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b7df6d5/923668d9e60542cbbdd0ffd10f96c2e3 [2021-12-15 13:06:55,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:06:55,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:06:55,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:55,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:06:55,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:06:55,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:55,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7897b29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:55, skipping insertion in model container [2021-12-15 13:06:55,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:06:55" (1/1) ... [2021-12-15 13:06:55,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:06:55,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:06:55,667 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i[158694,158707] [2021-12-15 13:06:56,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:56,079 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:06:56,175 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i[158694,158707] [2021-12-15 13:06:56,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:06:56,379 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:06:56,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56 WrapperNode [2021-12-15 13:06:56,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:06:56,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:56,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:06:56,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:06:56,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,515 INFO L137 Inliner]: procedures = 181, calls = 601, calls flagged for inlining = 90, calls inlined = 85, statements flattened = 2002 [2021-12-15 13:06:56,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:06:56,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:06:56,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:06:56,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:06:56,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:06:56,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:06:56,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:06:56,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:06:56,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:06:56" (1/1) ... [2021-12-15 13:06:56,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:56,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:06:56,692 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 13:06:56,721 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 13:06:56,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2021-12-15 13:06:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2021-12-15 13:06:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:06:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:06:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:06:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:06:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:06:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:06:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:06:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:06:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:06:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:06:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:06:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-15 13:06:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-15 13:06:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:06:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:06:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:06:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:06:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_data_transmit [2021-12-15 13:06:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_data_transmit [2021-12-15 13:06:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-15 13:06:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-15 13:06:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:06:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:06:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_ioctl [2021-12-15 13:06:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_ioctl [2021-12-15 13:06:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:06:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_timeout [2021-12-15 13:06:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_timeout [2021-12-15 13:06:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:06:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:06:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:06:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:06:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:06:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:06:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:06:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:06:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:06:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:06:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:06:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:06:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:06:56,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-12-15 13:06:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-12-15 13:06:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:06:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_change_mtu [2021-12-15 13:06:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_change_mtu [2021-12-15 13:06:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2021-12-15 13:06:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2021-12-15 13:06:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-15 13:06:56,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-15 13:06:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_unlock [2021-12-15 13:06:56,746 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_unlock [2021-12-15 13:06:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_compat_ioctl [2021-12-15 13:06:56,746 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_compat_ioctl [2021-12-15 13:06:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:06:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:06:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:06:56,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:06:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_data_indication [2021-12-15 13:06:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_data_indication [2021-12-15 13:06:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:06:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:06:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:06:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-15 13:06:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-15 13:06:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_disconnected [2021-12-15 13:06:56,749 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_disconnected [2021-12-15 13:06:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 13:06:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 13:06:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:06:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-15 13:06:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-15 13:06:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:06:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:06:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:06:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_connected [2021-12-15 13:06:56,751 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_connected [2021-12-15 13:06:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:06:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:06:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:06:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:06:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:06:56,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:06:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:06:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:06:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:06:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:06:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:06:56,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:06:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:06:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:06:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:06:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 13:06:56,755 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 13:06:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:06:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:06:56,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:06:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:06:56,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:06:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:06:56,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:06:57,210 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:06:57,213 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:06:57,421 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:06:57,429 INFO L158 Benchmark]: Toolchain (without parser) took 2394.19ms. Allocated memory was 104.9MB in the beginning and 199.2MB in the end (delta: 94.4MB). Free memory was 66.9MB in the beginning and 120.7MB in the end (delta: -53.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-12-15 13:06:57,429 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:06:57,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1346.61ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 66.9MB in the beginning and 81.1MB in the end (delta: -14.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2021-12-15 13:06:57,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.58ms. Allocated memory is still 132.1MB. Free memory was 81.1MB in the beginning and 69.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:06:57,432 INFO L158 Benchmark]: Boogie Preprocessor took 131.64ms. Allocated memory is still 132.1MB. Free memory was 69.2MB in the beginning and 57.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:06:57,436 INFO L158 Benchmark]: RCFGBuilder took 778.27ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 57.2MB in the beginning and 120.7MB in the end (delta: -63.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-12-15 13:06:57,439 INFO L339 ainManager$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 104.9MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1346.61ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 66.9MB in the beginning and 81.1MB in the end (delta: -14.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.58ms. Allocated memory is still 132.1MB. Free memory was 81.1MB in the beginning and 69.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.64ms. Allocated memory is still 132.1MB. Free memory was 69.2MB in the beginning and 57.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 778.27ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 57.2MB in the beginning and 120.7MB in the end (delta: -63.5MB). Peak memory consumption was 19.5MB. 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 13:06:57,473 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.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 1cccbd170603672b3f74a5336cc730c4afa341837cef68e5226707c3c82e670c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:06:59,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:06:59,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:06:59,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:06:59,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:06:59,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:06:59,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:06:59,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:06:59,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:06:59,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:06:59,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:06:59,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:06:59,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:06:59,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:06:59,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:06:59,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:06:59,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:06:59,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:06:59,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:06:59,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:06:59,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:06:59,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:06:59,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:06:59,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:06:59,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:06:59,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:06:59,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:06:59,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:06:59,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:06:59,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:06:59,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:06:59,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:06:59,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:06:59,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:06:59,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:06:59,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:06:59,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:06:59,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:06:59,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:06:59,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:06:59,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:06:59,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:06:59,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:06:59,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:06:59,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:06:59,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:06:59,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:06:59,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:06:59,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:06:59,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:06:59,385 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:06:59,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:06:59,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:06:59,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:06:59,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:06:59,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:06:59,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:06:59,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:06:59,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:06:59,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:06:59,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:06:59,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:06:59,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:06:59,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:06:59,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:06:59,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:06:59,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:06:59,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:06:59,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:06:59,390 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:06:59,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:06:59,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:06:59,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:06:59,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:06:59,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:06:59,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:06:59,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cccbd170603672b3f74a5336cc730c4afa341837cef68e5226707c3c82e670c [2021-12-15 13:06:59,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:06:59,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:06:59,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:06:59,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:06:59,671 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:06:59,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2021-12-15 13:06:59,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e62ee7118/96e09133bf1b47498639d07490b4b399/FLAG7511c7a36 [2021-12-15 13:07:00,297 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:07:00,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i [2021-12-15 13:07:00,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e62ee7118/96e09133bf1b47498639d07490b4b399/FLAG7511c7a36 [2021-12-15 13:07:00,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e62ee7118/96e09133bf1b47498639d07490b4b399 [2021-12-15 13:07:00,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:07:00,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:07:00,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:00,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:07:00,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:07:00,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:00" (1/1) ... [2021-12-15 13:07:00,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9bbc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:00, skipping insertion in model container [2021-12-15 13:07:00,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:07:00" (1/1) ... [2021-12-15 13:07:00,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:07:00,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:01,192 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i[158694,158707] [2021-12-15 13:07:01,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:01,662 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:07:01,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:07:01,846 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i[158694,158707] [2021-12-15 13:07:01,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:01,924 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:07:02,072 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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--x25_asy.ko-entry_point.cil.out.i[158694,158707] [2021-12-15 13:07:02,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:07:02,240 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:07:02,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02 WrapperNode [2021-12-15 13:07:02,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:07:02,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:02,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:07:02,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:07:02,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,371 INFO L137 Inliner]: procedures = 194, calls = 601, calls flagged for inlining = 90, calls inlined = 85, statements flattened = 1920 [2021-12-15 13:07:02,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:07:02,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:07:02,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:07:02,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:07:02,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:07:02,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:07:02,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:07:02,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:07:02,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:07:02" (1/1) ... [2021-12-15 13:07:02,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:07:02,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:07:02,538 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 13:07:02,559 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 13:07:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2021-12-15 13:07:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2021-12-15 13:07:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:07:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:07:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 13:07:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:07:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:07:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:07:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:07:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:07:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:07:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:07:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_data_transmit [2021-12-15 13:07:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_data_transmit [2021-12-15 13:07:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-15 13:07:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-15 13:07:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_timeout [2021-12-15 13:07:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_timeout [2021-12-15 13:07:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:07:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:07:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:07:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:07:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:07:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:07:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 13:07:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 13:07:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_change_mtu [2021-12-15 13:07:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_change_mtu [2021-12-15 13:07:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2021-12-15 13:07:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2021-12-15 13:07:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-15 13:07:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-15 13:07:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_compat_ioctl [2021-12-15 13:07:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_compat_ioctl [2021-12-15 13:07:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:07:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:07:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:07:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:07:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-15 13:07:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-15 13:07:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:07:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:07:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:07:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:07:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:07:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-15 13:07:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-15 13:07:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:07:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:07:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:07:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:07:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:07:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:07:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:07:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:07:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:07:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:07:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:07:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 13:07:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 13:07:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:07:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:07:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:07:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:07:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:07:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:07:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-15 13:07:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-15 13:07:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:07:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:07:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:07:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:07:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_ioctl [2021-12-15 13:07:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_ioctl [2021-12-15 13:07:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:07:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:07:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:07:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:07:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:07:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:07:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:07:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:07:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:07:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-12-15 13:07:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-12-15 13:07:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:07:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_unlock [2021-12-15 13:07:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_unlock [2021-12-15 13:07:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:07:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:07:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:07:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:07:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-15 13:07:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-15 13:07:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_data_indication [2021-12-15 13:07:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_data_indication [2021-12-15 13:07:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_disconnected [2021-12-15 13:07:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_disconnected [2021-12-15 13:07:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 13:07:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 13:07:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-15 13:07:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-15 13:07:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure x25_asy_connected [2021-12-15 13:07:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_asy_connected [2021-12-15 13:07:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:07:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:07:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:07:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:07:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:07:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 13:07:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 13:07:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:07:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:07:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 13:07:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 13:07:02,987 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:07:02,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:07:04,415 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:07:04,418 INFO L158 Benchmark]: Toolchain (without parser) took 3923.46ms. Allocated memory was 52.4MB in the beginning and 161.5MB in the end (delta: 109.1MB). Free memory was 30.3MB in the beginning and 70.6MB in the end (delta: -40.3MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2021-12-15 13:07:04,419 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:07:04,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1745.18ms. Allocated memory was 52.4MB in the beginning and 161.5MB in the end (delta: 109.1MB). Free memory was 30.1MB in the beginning and 97.7MB in the end (delta: -67.6MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2021-12-15 13:07:04,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.04ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 86.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:07:04,419 INFO L158 Benchmark]: Boogie Preprocessor took 96.06ms. Allocated memory is still 161.5MB. Free memory was 86.3MB in the beginning and 73.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:07:04,420 INFO L158 Benchmark]: RCFGBuilder took 1948.44ms. Allocated memory is still 161.5MB. Free memory was 73.0MB in the beginning and 70.7MB in the end (delta: 2.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-12-15 13:07:04,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1745.18ms. Allocated memory was 52.4MB in the beginning and 161.5MB in the end (delta: 109.1MB). Free memory was 30.1MB in the beginning and 97.7MB in the end (delta: -67.6MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.04ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 86.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.06ms. Allocated memory is still 161.5MB. Free memory was 86.3MB in the beginning and 73.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1948.44ms. Allocated memory is still 161.5MB. Free memory was 73.0MB in the beginning and 70.7MB in the end (delta: 2.3MB). Peak memory consumption was 14.5MB. 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 13:07:04,452 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