./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.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_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:48,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:48,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:48,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:48,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:48,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:48,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:48,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:48,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:48,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:48,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:48,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:48,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:48,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:48,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:48,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:48,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:48,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:48,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:48,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:48,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:48,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:48,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:48,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:48,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:48,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:48,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:48,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:48,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:48,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:48,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:48,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:48,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:48,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:48,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:48,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:48,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:48,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:48,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:48,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:48,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:48,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:02:48,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:48,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:48,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:48,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:48,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:48,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:48,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:48,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:48,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:48,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:48,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:48,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:48,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:48,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:48,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:48,356 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:48,356 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:48,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:48,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:48,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:48,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:48,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:48,357 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:48,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:48,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:48,358 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2021-11-23 15:02:48,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:48,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:48,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:48,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:48,671 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:48,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2021-11-23 15:02:48,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/4a9f92eef/84e1d5e2f3f54812b54c54c20e5c12cb/FLAGae54c0a0b [2021-11-23 15:02:49,588 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:49,590 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2021-11-23 15:02:49,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/4a9f92eef/84e1d5e2f3f54812b54c54c20e5c12cb/FLAGae54c0a0b [2021-11-23 15:02:50,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/4a9f92eef/84e1d5e2f3f54812b54c54c20e5c12cb [2021-11-23 15:02:50,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:50,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:50,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:50,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:50,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:50,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:50" (1/1) ... [2021-11-23 15:02:50,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22deb488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:50, skipping insertion in model container [2021-11-23 15:02:50,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:50" (1/1) ... [2021-11-23 15:02:50,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:50,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:51,221 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_e7357856-5138-4bf8-9bde-941c1c7c1c56/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2021-11-23 15:02:51,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:51,551 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:51,778 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_e7357856-5138-4bf8-9bde-941c1c7c1c56/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2021-11-23 15:02:51,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:51,960 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:51,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51 WrapperNode [2021-11-23 15:02:51,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:51,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:51,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:51,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:51,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,186 INFO L137 Inliner]: procedures = 146, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1425 [2021-11-23 15:02:52,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:52,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:52,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:52,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:52,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:52,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:52,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:52,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:52,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:52,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:52,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:52,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:52,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 15:02:52,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 15:02:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:02:52,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:02:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:02:52,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:02:52,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:02:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:02:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure state [2021-11-23 15:02:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2021-11-23 15:02:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 15:02:52,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 15:02:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2021-11-23 15:02:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2021-11-23 15:02:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2021-11-23 15:02:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2021-11-23 15:02:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:02:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:02:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2021-11-23 15:02:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2021-11-23 15:02:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:02:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:02:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2021-11-23 15:02:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2021-11-23 15:02:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 15:02:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 15:02:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:02:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:02:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:02:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:02:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:02:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:02:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:02:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:02:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:02:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:02:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:02:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:02:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2021-11-23 15:02:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2021-11-23 15:02:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 15:02:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 15:02:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:02:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 15:02:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 15:02:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:02:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:02:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:02:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:02:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:02:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:02:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:02:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:02:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:02:52,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:02:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:02:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:02:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:02:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2021-11-23 15:02:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2021-11-23 15:02:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:02:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:02:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:02:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:02:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:02:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:02:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:02:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:02:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2021-11-23 15:02:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2021-11-23 15:02:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:02:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:02:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:02:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:02:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:02:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:52,971 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:52,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:53,288 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:02:53,293 INFO L158 Benchmark]: Toolchain (without parser) took 3217.57ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 57.7MB in the beginning and 58.3MB in the end (delta: -609.9kB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,294 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 32.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:53,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1883.37ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 57.4MB in the beginning and 66.9MB in the end (delta: -9.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 225.87ms. Allocated memory is still 140.5MB. Free memory was 66.9MB in the beginning and 91.2MB in the end (delta: -24.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,299 INFO L158 Benchmark]: Boogie Preprocessor took 214.17ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 82.6MB in the end (delta: 8.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,301 INFO L158 Benchmark]: RCFGBuilder took 886.98ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 58.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,307 INFO L339 ainManager$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 100.7MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 32.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1883.37ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 57.4MB in the beginning and 66.9MB in the end (delta: -9.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 225.87ms. Allocated memory is still 140.5MB. Free memory was 66.9MB in the beginning and 91.2MB in the end (delta: -24.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 214.17ms. Allocated memory is still 140.5MB. Free memory was 91.2MB in the beginning and 82.6MB in the end (delta: 8.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 886.98ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 58.3MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:02:53,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:55,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:55,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:55,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:55,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:55,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:55,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:55,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:55,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:55,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:55,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:55,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:55,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:55,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:55,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:55,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:55,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:55,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:55,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:55,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:55,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:55,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:55,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:55,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:55,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:55,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:55,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:55,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:55,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:55,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:55,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:55,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:55,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:55,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:55,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:55,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:55,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:55,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:55,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:55,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:55,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:55,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:02:55,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:55,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:55,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:55,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:55,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:55,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:55,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:55,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:55,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:55,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:55,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:55,980 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:55,980 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:55,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:55,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:55,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:55,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:55,981 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:55,981 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:55,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:55,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:55,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:55,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:55,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:55,982 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:55,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:55,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:55,992 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:55,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:55,993 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_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2021-11-23 15:02:56,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:56,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:56,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:56,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:56,421 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:56,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2021-11-23 15:02:56,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/6ef9a764b/840297280af34e15a6de6823472b8dc8/FLAGec724fbc0 [2021-11-23 15:02:57,306 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:57,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2021-11-23 15:02:57,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/6ef9a764b/840297280af34e15a6de6823472b8dc8/FLAGec724fbc0 [2021-11-23 15:02:57,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/data/6ef9a764b/840297280af34e15a6de6823472b8dc8 [2021-11-23 15:02:57,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:57,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:57,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:57,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:57,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:57,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@823fa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57, skipping insertion in model container [2021-11-23 15:02:57,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:58,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:59,021 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_e7357856-5138-4bf8-9bde-941c1c7c1c56/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2021-11-23 15:02:59,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:59,461 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:02:59,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:59,657 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_e7357856-5138-4bf8-9bde-941c1c7c1c56/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2021-11-23 15:02:59,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:59,748 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:59,942 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_e7357856-5138-4bf8-9bde-941c1c7c1c56/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2021-11-23 15:03:00,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:00,147 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:00,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00 WrapperNode [2021-11-23 15:03:00,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:00,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:00,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:00,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:00,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,332 INFO L137 Inliner]: procedures = 158, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1390 [2021-11-23 15:03:00,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:00,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:00,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:00,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:00,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:00,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:00,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:00,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:00,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:00" (1/1) ... [2021-11-23 15:03:00,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:00,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:00,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:00,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 15:03:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 15:03:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:03:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:03:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:03:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:03:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:03:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:03:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:03:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:03:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure state [2021-11-23 15:03:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2021-11-23 15:03:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-23 15:03:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-23 15:03:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2021-11-23 15:03:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2021-11-23 15:03:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2021-11-23 15:03:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2021-11-23 15:03:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:03:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:03:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2021-11-23 15:03:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2021-11-23 15:03:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:03:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:03:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2021-11-23 15:03:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2021-11-23 15:03:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-23 15:03:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-23 15:03:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:03:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:03:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:03:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:03:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:03:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:03:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:03:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:03:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:03:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:03:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:03:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:03:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:03:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2021-11-23 15:03:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2021-11-23 15:03:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 15:03:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 15:03:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:03:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 15:03:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 15:03:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:03:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:03:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:03:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:03:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:03:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:03:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 15:03:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 15:03:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:03:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:03:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:03:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:03:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:03:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:03:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:03:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:03:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:03:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:03:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:03:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:03:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2021-11-23 15:03:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2021-11-23 15:03:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 15:03:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 15:03:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:03:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:03:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:03:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:03:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:03:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:03:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:03:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2021-11-23 15:03:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2021-11-23 15:03:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:03:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:03:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:03:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:03:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:01,074 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:01,076 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:01,178 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:01,181 INFO L158 Benchmark]: Toolchain (without parser) took 3318.68ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 34.5MB in the beginning and 34.7MB in the end (delta: -274.8kB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,182 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:01,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2285.43ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 34.3MB in the beginning and 54.1MB in the end (delta: -19.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.57ms. Allocated memory is still 98.6MB. Free memory was 54.1MB in the beginning and 46.2MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,184 INFO L158 Benchmark]: Boogie Preprocessor took 142.18ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 37.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,184 INFO L158 Benchmark]: RCFGBuilder took 704.29ms. Allocated memory is still 98.6MB. Free memory was 37.3MB in the beginning and 34.7MB in the end (delta: 2.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2285.43ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 34.3MB in the beginning and 54.1MB in the end (delta: -19.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.57ms. Allocated memory is still 98.6MB. Free memory was 54.1MB in the beginning and 46.2MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.18ms. Allocated memory is still 98.6MB. Free memory was 46.2MB in the beginning and 37.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 704.29ms. Allocated memory is still 98.6MB. Free memory was 37.3MB in the beginning and 34.7MB in the end (delta: 2.6MB). Peak memory consumption was 10.0MB. 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. [2021-11-23 15:03:01,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7357856-5138-4bf8-9bde-941c1c7c1c56/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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