./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.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 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:16,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:16,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:16,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:16,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:16,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:16,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:16,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:16,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:16,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:16,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:16,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:16,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:16,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:16,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:16,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:17,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:17,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:17,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:17,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:17,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:17,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:17,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:17,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:17,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:17,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:17,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:17,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:17,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:17,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:17,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:17,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:17,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:17,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:17,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:17,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:17,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:17,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:17,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:17,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:17,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:17,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:56:17,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:17,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:17,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:17,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:17,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:17,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:17,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:17,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:17,092 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:17,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:17,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:56:17,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:17,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:17,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:17,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:17,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:17,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:17,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:17,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:17,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:17,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:17,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:17,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:17,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:17,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:17,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:56:17,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:56:17,104 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:17,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:17,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:17,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:17,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb [2021-12-15 12:56:17,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:17,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:17,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:17,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:17,455 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:17,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-12-15 12:56:17,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3355e7be2/7378a50413db4ab5a130faf74ebabc7f/FLAG18ebfcc86 [2021-12-15 12:56:18,130 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:18,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-12-15 12:56:18,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3355e7be2/7378a50413db4ab5a130faf74ebabc7f/FLAG18ebfcc86 [2021-12-15 12:56:18,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3355e7be2/7378a50413db4ab5a130faf74ebabc7f [2021-12-15 12:56:18,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:18,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:18,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:18,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:18,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:18,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:18" (1/1) ... [2021-12-15 12:56:18,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4ad533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:18, skipping insertion in model container [2021-12-15 12:56:18,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:18" (1/1) ... [2021-12-15 12:56:18,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:18,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:19,980 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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-12-15 12:56:20,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:20,015 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:20,244 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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-12-15 12:56:20,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:20,318 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:20,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20 WrapperNode [2021-12-15 12:56:20,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:20,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:20,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:20,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:20,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,464 INFO L137 Inliner]: procedures = 157, calls = 812, calls flagged for inlining = 80, calls inlined = 79, statements flattened = 2776 [2021-12-15 12:56:20,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:20,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:20,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:20,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:20,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:20,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:20,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:20,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:20,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:20" (1/1) ... [2021-12-15 12:56:20,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:20,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:20,639 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 12:56:20,658 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 12:56:20,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:56:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:56:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:56:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:56:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:56:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:56:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:56:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-15 12:56:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-15 12:56:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-15 12:56:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-15 12:56:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:56:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:56:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:56:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:56:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 12:56:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 12:56:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2021-12-15 12:56:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2021-12-15 12:56:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 12:56:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 12:56:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:56:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:56:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-12-15 12:56:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-12-15 12:56:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:56:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:56:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:56:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-15 12:56:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-15 12:56:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 12:56:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 12:56:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:56:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:56:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:56:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:56:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:56:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:56:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-12-15 12:56:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-12-15 12:56:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-12-15 12:56:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-12-15 12:56:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 12:56:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 12:56:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-12-15 12:56:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-12-15 12:56:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:56:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:56:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 12:56:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 12:56:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:56:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:56:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 12:56:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 12:56:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:56:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:56:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-12-15 12:56:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-12-15 12:56:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-12-15 12:56:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-12-15 12:56:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:56:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-15 12:56:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-15 12:56:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-15 12:56:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-15 12:56:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-12-15 12:56:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-12-15 12:56:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:56:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:56:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:56:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:56:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:56:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:56:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 12:56:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 12:56:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:56:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:56:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 12:56:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 12:56:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:56:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:56:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:56:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 12:56:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 12:56:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 12:56:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 12:56:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 12:56:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 12:56:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:56:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-12-15 12:56:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-12-15 12:56:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 12:56:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 12:56:21,196 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:21,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:56:21,460 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:56:21,464 INFO L158 Benchmark]: Toolchain (without parser) took 2920.76ms. Allocated memory was 96.5MB in the beginning and 218.1MB in the end (delta: 121.6MB). Free memory was 53.3MB in the beginning and 152.8MB in the end (delta: -99.6MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-12-15 12:56:21,464 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:21,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1776.59ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 53.0MB in the beginning and 83.3MB in the end (delta: -30.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2021-12-15 12:56:21,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.19ms. Allocated memory is still 132.1MB. Free memory was 83.3MB in the beginning and 68.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:56:21,466 INFO L158 Benchmark]: Boogie Preprocessor took 147.84ms. Allocated memory is still 132.1MB. Free memory was 68.7MB in the beginning and 52.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:56:21,466 INFO L158 Benchmark]: RCFGBuilder took 848.36ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 52.5MB in the beginning and 152.8MB in the end (delta: -100.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:56:21,469 INFO L339 ainManager$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 75.5MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1776.59ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 53.0MB in the beginning and 83.3MB in the end (delta: -30.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.19ms. Allocated memory is still 132.1MB. Free memory was 83.3MB in the beginning and 68.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.84ms. Allocated memory is still 132.1MB. Free memory was 68.7MB in the beginning and 52.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 848.36ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 52.5MB in the beginning and 152.8MB in the end (delta: -100.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:56:21,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.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 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:56:23,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:56:23,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:56:23,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:56:23,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:56:23,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:56:23,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:56:23,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:56:23,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:56:23,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:56:23,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:56:23,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:56:23,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:56:23,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:56:23,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:56:23,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:56:23,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:56:23,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:56:23,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:56:23,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:56:23,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:56:23,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:56:23,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:56:23,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:56:23,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:56:23,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:56:23,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:56:23,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:56:23,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:56:23,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:56:23,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:56:23,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:56:23,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:56:23,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:56:23,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:56:23,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:56:23,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:56:23,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:56:23,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:56:23,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:56:23,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:56:23,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:56:23,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:56:23,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:56:23,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:56:23,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:56:23,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:56:23,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:56:23,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:56:23,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:56:23,344 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:56:23,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:56:23,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:56:23,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:56:23,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:56:23,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:56:23,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:56:23,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:56:23,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:56:23,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:56:23,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:56:23,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:56:23,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:56:23,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:56:23,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:56:23,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:23,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:56:23,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:56:23,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:56:23,354 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:56:23,355 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:56:23,355 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:56:23,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:56:23,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:56:23,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:56:23,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:56:23,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b59b42cc833f5b28fc5dc7cc6711355c533ad94229ba44874c6d4d186d9dcb [2021-12-15 12:56:23,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:56:23,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:56:23,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:56:23,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:56:23,643 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:56:23,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-12-15 12:56:23,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2274f7127/5e3440a22379486cb186c0df5e6db829/FLAGbe655a0a7 [2021-12-15 12:56:24,328 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:56:24,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2021-12-15 12:56:24,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2274f7127/5e3440a22379486cb186c0df5e6db829/FLAGbe655a0a7 [2021-12-15 12:56:24,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2274f7127/5e3440a22379486cb186c0df5e6db829 [2021-12-15 12:56:24,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:56:24,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:56:24,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:24,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:56:24,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:56:24,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:24" (1/1) ... [2021-12-15 12:56:24,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ed06b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:24, skipping insertion in model container [2021-12-15 12:56:24,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:56:24" (1/1) ... [2021-12-15 12:56:24,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:56:24,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:26,006 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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-12-15 12:56:26,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:26,062 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:56:26,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:56:26,333 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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-12-15 12:56:26,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:26,351 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:56:26,589 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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i[202861,202874] [2021-12-15 12:56:26,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:56:26,692 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:56:26,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26 WrapperNode [2021-12-15 12:56:26,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:56:26,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:26,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:56:26,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:56:26,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,819 INFO L137 Inliner]: procedures = 170, calls = 812, calls flagged for inlining = 80, calls inlined = 79, statements flattened = 2691 [2021-12-15 12:56:26,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:56:26,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:56:26,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:56:26,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:56:26,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:56:26,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:56:26,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:56:26,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:56:26,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:56:26" (1/1) ... [2021-12-15 12:56:26,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:56:26,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:56:26,994 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 12:56:27,017 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 12:56:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:56:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:56:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:56:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:56:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:56:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:56:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:56:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:56:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-15 12:56:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-15 12:56:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-15 12:56:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-15 12:56:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:56:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:56:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:56:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:56:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:56:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:56:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 12:56:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 12:56:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2021-12-15 12:56:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2021-12-15 12:56:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 12:56:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 12:56:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:56:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:56:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-12-15 12:56:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-12-15 12:56:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:56:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:56:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:56:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:56:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:56:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:56:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-15 12:56:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-15 12:56:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 12:56:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 12:56:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:56:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:56:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:56:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-12-15 12:56:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-12-15 12:56:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 12:56:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 12:56:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-12-15 12:56:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 12:56:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:56:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:56:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:56:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-12-15 12:56:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 12:56:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-12-15 12:56:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-15 12:56:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:56:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-15 12:56:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-12-15 12:56:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:56:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:56:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:56:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 12:56:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:56:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:56:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 12:56:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:56:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-15 12:56:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:56:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-15 12:56:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-15 12:56:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:56:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:56:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-12-15 12:56:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-12-15 12:56:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-15 12:56:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-15 12:56:27,596 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:56:27,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:56:30,294 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:56:30,297 INFO L158 Benchmark]: Toolchain (without parser) took 5740.94ms. Allocated memory was 60.8MB in the beginning and 243.3MB in the end (delta: 182.5MB). Free memory was 30.5MB in the beginning and 132.2MB in the end (delta: -101.7MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,298 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:56:30,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2135.53ms. Allocated memory was 60.8MB in the beginning and 140.5MB in the end (delta: 79.7MB). Free memory was 30.4MB in the beginning and 85.2MB in the end (delta: -54.8MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.05ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 70.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,299 INFO L158 Benchmark]: Boogie Preprocessor took 127.64ms. Allocated memory is still 140.5MB. Free memory was 70.5MB in the beginning and 53.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,300 INFO L158 Benchmark]: RCFGBuilder took 3347.64ms. Allocated memory was 140.5MB in the beginning and 243.3MB in the end (delta: 102.8MB). Free memory was 53.0MB in the beginning and 132.2MB in the end (delta: -79.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-12-15 12:56:30,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2135.53ms. Allocated memory was 60.8MB in the beginning and 140.5MB in the end (delta: 79.7MB). Free memory was 30.4MB in the beginning and 85.2MB in the end (delta: -54.8MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.05ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 70.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.64ms. Allocated memory is still 140.5MB. Free memory was 70.5MB in the beginning and 53.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3347.64ms. Allocated memory was 140.5MB in the beginning and 243.3MB in the end (delta: 102.8MB). Free memory was 53.0MB in the beginning and 132.2MB in the end (delta: -79.2MB). Peak memory consumption was 22.9MB. 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 12:56:30,378 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