./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--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a18a7daf593dd77ad555545ec10f677585469ecf569b445600fb5f502940bb67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:43,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:43,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:43,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:43,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:43,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:43,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:43,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:43,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:43,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:43,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:43,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:43,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:43,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:43,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:43,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:43,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:43,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:43,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:43,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:43,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:43,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:43,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:43,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:43,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:43,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:43,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:43,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:43,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:43,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:43,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:43,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:43,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:43,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:43,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:43,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:43,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:43,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:43,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:43,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:43,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:43,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:19:43,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:43,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:43,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:43,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:43,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:43,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:43,410 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:43,410 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:43,410 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:43,411 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:19:43,412 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:43,412 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:43,412 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:19:43,413 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:19:43,413 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:43,413 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:19:43,413 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:19:43,414 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:19:43,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:43,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:19:43,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:43,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:43,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:43,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:43,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:43,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:43,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:43,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:43,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:43,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:43,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:43,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:43,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:43,420 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:19:43,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:19:43,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:43,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:43,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:43,422 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a18a7daf593dd77ad555545ec10f677585469ecf569b445600fb5f502940bb67 [2021-11-23 17:19:43,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:43,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:43,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:43,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:43,788 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:43,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2021-11-23 17:19:43,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/8089f161f/31461a289e034470aead4397f57112b6/FLAGcbe88455a [2021-11-23 17:19:44,706 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:44,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2021-11-23 17:19:44,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/8089f161f/31461a289e034470aead4397f57112b6/FLAGcbe88455a [2021-11-23 17:19:45,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/8089f161f/31461a289e034470aead4397f57112b6 [2021-11-23 17:19:45,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:45,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:45,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:45,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:45,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:45,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:45" (1/1) ... [2021-11-23 17:19:45,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c455fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:45, skipping insertion in model container [2021-11-23 17:19:45,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:45" (1/1) ... [2021-11-23 17:19:45,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:45,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:46,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i[161211,161224] [2021-11-23 17:19:47,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:47,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:47,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i[161211,161224] [2021-11-23 17:19:47,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:47,736 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:47,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47 WrapperNode [2021-11-23 17:19:47,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:47,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:47,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:47,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:47,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,925 INFO L137 Inliner]: procedures = 199, calls = 723, calls flagged for inlining = 106, calls inlined = 103, statements flattened = 2213 [2021-11-23 17:19:47,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:47,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:47,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:47,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:47,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:48,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:48,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:48,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:48,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:48,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:48,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:48,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:48,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:48,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:48,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:48,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:48,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:19:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:19:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 17:19:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 17:19:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:19:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:19:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup_descriptors [2021-11-23 17:19:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_descriptors [2021-11-23 17:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 17:19:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 17:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure disable_all_interrupts [2021-11-23 17:19:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_all_interrupts [2021-11-23 17:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:19:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_interrupt [2021-11-23 17:19:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_interrupt [2021-11-23 17:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:19:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:19:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 17:19:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 17:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 17:19:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 17:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:19:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_write_descriptor [2021-11-23 17:19:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_write_descriptor [2021-11-23 17:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-23 17:19:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-23 17:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-23 17:19:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-23 17:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:19:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 17:19:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 17:19:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 17:19:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 17:19:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 17:19:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 17:19:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 17:19:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 17:19:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:19:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:19:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_read_descriptor [2021-11-23 17:19:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_read_descriptor [2021-11-23 17:19:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 17:19:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 17:19:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-23 17:19:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-23 17:19:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:19:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:19:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:19:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:19:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:19:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:19:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2021-11-23 17:19:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2021-11-23 17:19:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:19:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 17:19:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 17:19:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-23 17:19:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-23 17:19:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 17:19:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 17:19:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:19:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 17:19:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 17:19:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:19:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:19:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:19:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:19:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:19:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_poll_controller [2021-11-23 17:19:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_poll_controller [2021-11-23 17:19:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:19:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 17:19:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 17:19:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:19:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:19:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure receive_active [2021-11-23 17:19:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_active [2021-11-23 17:19:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:19:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 17:19:48,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 17:19:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:19:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_active [2021-11-23 17:19:48,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_active [2021-11-23 17:19:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 17:19:48,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 17:19:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_receive [2021-11-23 17:19:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_receive [2021-11-23 17:19:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-23 17:19:48,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-23 17:19:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:19:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:19:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 17:19:48,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 17:19:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:19:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:48,966 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:48,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:19:49,153 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:19:49,158 INFO L158 Benchmark]: Toolchain (without parser) took 3967.48ms. Allocated memory was 115.3MB in the beginning and 176.2MB in the end (delta: 60.8MB). Free memory was 90.1MB in the beginning and 97.8MB in the end (delta: -7.6MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2021-11-23 17:19:49,158 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:49,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2547.36ms. Allocated memory was 115.3MB in the beginning and 176.2MB in the end (delta: 60.8MB). Free memory was 89.7MB in the beginning and 118.6MB in the end (delta: -28.9MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:49,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.33ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 103.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:19:49,161 INFO L158 Benchmark]: Boogie Preprocessor took 223.81ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 90.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:19:49,162 INFO L158 Benchmark]: RCFGBuilder took 997.65ms. Allocated memory is still 176.2MB. Free memory was 90.5MB in the beginning and 97.8MB in the end (delta: -7.3MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-23 17:19:49,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2547.36ms. Allocated memory was 115.3MB in the beginning and 176.2MB in the end (delta: 60.8MB). Free memory was 89.7MB in the beginning and 118.6MB in the end (delta: -28.9MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.33ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 103.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 223.81ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 90.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 997.65ms. Allocated memory is still 176.2MB. Free memory was 90.5MB in the beginning and 97.8MB in the end (delta: -7.3MB). 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. [2021-11-23 17:19:49,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a18a7daf593dd77ad555545ec10f677585469ecf569b445600fb5f502940bb67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:51,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:51,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:51,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:51,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:51,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:51,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:51,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:51,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:51,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:51,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:51,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:51,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:51,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:51,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:51,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:51,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:51,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:51,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:51,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:51,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:52,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:52,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:52,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:52,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:52,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:52,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:52,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:52,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:52,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:52,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:52,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:52,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:52,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:52,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:52,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:52,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:52,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:52,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:52,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:52,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:52,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:19:52,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:52,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:52,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:52,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:52,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:52,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:52,079 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:52,079 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:52,079 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:52,079 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:52,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:52,081 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:52,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:52,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:52,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:52,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:52,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:52,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:19:52,084 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:19:52,084 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:19:52,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:52,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:52,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:52,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:52,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:19:52,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:52,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:52,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:52,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:52,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:52,087 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:19:52,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:19:52,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:52,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:52,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:52,088 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a18a7daf593dd77ad555545ec10f677585469ecf569b445600fb5f502940bb67 [2021-11-23 17:19:52,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:52,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:52,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:52,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:52,596 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:52,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2021-11-23 17:19:52,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/5ee3ded54/ac061537a2c24bb5a7fe7c18e58123c8/FLAG7bf140e43 [2021-11-23 17:19:53,718 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:53,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i [2021-11-23 17:19:53,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/5ee3ded54/ac061537a2c24bb5a7fe7c18e58123c8/FLAG7bf140e43 [2021-11-23 17:19:54,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/data/5ee3ded54/ac061537a2c24bb5a7fe7c18e58123c8 [2021-11-23 17:19:54,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:54,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:54,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:54,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:54,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:54,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb9cd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54, skipping insertion in model container [2021-11-23 17:19:54,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:54,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:55,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i[161211,161224] [2021-11-23 17:19:55,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:56,000 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:19:56,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:56,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i[161211,161224] [2021-11-23 17:19:56,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:56,479 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:56,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--dec--tulip--xircom_cb.ko-entry_point.cil.out.i[161211,161224] [2021-11-23 17:19:56,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:57,056 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:57,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57 WrapperNode [2021-11-23 17:19:57,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:57,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:57,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:57,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:57,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,351 INFO L137 Inliner]: procedures = 213, calls = 723, calls flagged for inlining = 106, calls inlined = 103, statements flattened = 2135 [2021-11-23 17:19:57,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:57,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:57,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:57,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:57,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:57,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:57,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:57,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:57,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:57,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:57,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:57,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:19:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:19:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:19:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:19:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:19:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:19:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 17:19:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 17:19:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:19:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:19:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:19:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:19:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure setup_descriptors [2021-11-23 17:19:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_descriptors [2021-11-23 17:19:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 17:19:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 17:19:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure disable_all_interrupts [2021-11-23 17:19:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_all_interrupts [2021-11-23 17:19:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:19:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:19:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_interrupt [2021-11-23 17:19:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_interrupt [2021-11-23 17:19:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:19:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:19:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:19:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:19:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 17:19:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 17:19:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 17:19:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 17:19:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:19:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:19:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_write_descriptor [2021-11-23 17:19:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_write_descriptor [2021-11-23 17:19:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-23 17:19:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-23 17:19:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:19:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-23 17:19:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-23 17:19:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:19:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 17:19:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 17:19:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 17:19:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 17:19:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 17:19:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 17:19:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 17:19:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 17:19:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:19:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:19:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:19:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:19:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:19:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:19:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:19:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:19:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:19:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure investigate_read_descriptor [2021-11-23 17:19:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure investigate_read_descriptor [2021-11-23 17:19:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 17:19:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 17:19:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-23 17:19:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-23 17:19:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 17:19:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 17:19:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 17:19:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 17:19:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:19:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:19:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2021-11-23 17:19:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2021-11-23 17:19:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 17:19:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 17:19:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-23 17:19:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-23 17:19:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 17:19:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 17:19:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 17:19:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 17:19:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 17:19:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 17:19:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:19:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:19:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure xircom_poll_controller [2021-11-23 17:19:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure xircom_poll_controller [2021-11-23 17:19:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 17:19:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 17:19:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:19:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:19:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure receive_active [2021-11-23 17:19:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_active [2021-11-23 17:19:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:19:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 17:19:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 17:19:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:19:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_active [2021-11-23 17:19:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_active [2021-11-23 17:19:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:19:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:19:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 17:19:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 17:19:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:19:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_receive [2021-11-23 17:19:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_receive [2021-11-23 17:19:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-23 17:19:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-23 17:19:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:19:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:19:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 17:19:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 17:19:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:19:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:58,490 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:58,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:19:59,143 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:19:59,148 INFO L158 Benchmark]: Toolchain (without parser) took 5062.77ms. Allocated memory was 69.2MB in the beginning and 245.4MB in the end (delta: 176.2MB). Free memory was 41.1MB in the beginning and 147.4MB in the end (delta: -106.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,149 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 69.2MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:59,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2971.13ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 40.9MB in the beginning and 50.5MB in the end (delta: -9.6MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 294.14ms. Allocated memory is still 134.2MB. Free memory was 50.5MB in the beginning and 65.4MB in the end (delta: -14.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,151 INFO L158 Benchmark]: Boogie Preprocessor took 217.92ms. Allocated memory is still 134.2MB. Free memory was 65.4MB in the beginning and 50.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,152 INFO L158 Benchmark]: RCFGBuilder took 1574.42ms. Allocated memory was 134.2MB in the beginning and 245.4MB in the end (delta: 111.1MB). Free memory was 50.1MB in the beginning and 147.4MB in the end (delta: -97.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 69.2MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2971.13ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 40.9MB in the beginning and 50.5MB in the end (delta: -9.6MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 294.14ms. Allocated memory is still 134.2MB. Free memory was 50.5MB in the beginning and 65.4MB in the end (delta: -14.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 217.92ms. Allocated memory is still 134.2MB. Free memory was 65.4MB in the beginning and 50.1MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1574.42ms. Allocated memory was 134.2MB in the beginning and 245.4MB in the end (delta: 111.1MB). Free memory was 50.1MB in the beginning and 147.4MB in the end (delta: -97.3MB). Peak memory consumption was 14.7MB. 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. [2021-11-23 17:19:59,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66aaedb8-fe98-4c5d-9994-9e7f55c3bf89/bin/utaipan-fb15Y9Yzbl/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