./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.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_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/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_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/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_1787d270-4395-4ecb-a089-672c6ea5740b/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 6063bfeeaa4a025ac67d1a7a9b5cc20b489e34fc9db0d4dd9fcdda86c75b9c5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:38,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:38,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:38,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:38,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:38,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:38,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:38,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:38,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:38,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:38,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:38,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:38,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:38,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:38,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:38,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:38,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:38,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:38,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:38,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:38,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:38,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:38,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:38,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:38,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:38,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:38,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:38,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:38,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:38,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:38,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:38,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:38,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:38,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:38,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:38,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:38,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:38,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:38,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:38,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:38,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:38,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:04:38,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:38,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:38,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:38,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:38,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:38,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:38,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:38,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:38,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:38,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:38,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:38,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:38,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:38,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:38,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:38,342 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:38,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:38,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:38,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:38,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:38,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:38,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:38,343 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:38,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:38,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:38,343 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_1787d270-4395-4ecb-a089-672c6ea5740b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6063bfeeaa4a025ac67d1a7a9b5cc20b489e34fc9db0d4dd9fcdda86c75b9c5e [2021-11-23 15:04:38,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:38,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:38,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:38,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:38,636 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:38,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2021-11-23 15:04:38,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/860cbf004/1c5184910b534f18aafd3c0f27383fe9/FLAG9b5a63a84 [2021-11-23 15:04:39,527 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:39,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2021-11-23 15:04:39,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/860cbf004/1c5184910b534f18aafd3c0f27383fe9/FLAG9b5a63a84 [2021-11-23 15:04:39,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/860cbf004/1c5184910b534f18aafd3c0f27383fe9 [2021-11-23 15:04:39,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:39,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:39,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:39,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:39,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:39,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d247af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39, skipping insertion in model container [2021-11-23 15:04:39,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:39,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:40,568 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_1787d270-4395-4ecb-a089-672c6ea5740b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2021-11-23 15:04:41,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:41,339 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:41,472 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_1787d270-4395-4ecb-a089-672c6ea5740b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2021-11-23 15:04:41,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:41,885 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:41,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41 WrapperNode [2021-11-23 15:04:41,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:41,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:41,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:41,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:41,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,084 INFO L137 Inliner]: procedures = 184, calls = 828, calls flagged for inlining = 92, calls inlined = 90, statements flattened = 3179 [2021-11-23 15:04:42,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:42,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:42,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:42,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:42,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:42,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:42,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:42,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:42,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:42,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:42,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:42,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:42,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:42,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-23 15:04:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-23 15:04:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2021-11-23 15:04:42,418 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2021-11-23 15:04:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:04:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:04:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 15:04:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 15:04:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:04:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:04:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:04:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:04:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 15:04:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 15:04:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 15:04:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 15:04:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:04:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:04:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:04:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:04:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:04:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:04:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:04:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:04:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:04:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:04:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:04:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:04:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:04:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:04:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-11-23 15:04:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-11-23 15:04:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:04:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:04:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:04:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:04:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:04:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:04:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 15:04:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 15:04:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 15:04:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 15:04:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-23 15:04:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-23 15:04:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-11-23 15:04:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-11-23 15:04:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-11-23 15:04:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-11-23 15:04:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 15:04:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 15:04:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-11-23 15:04:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-11-23 15:04:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:04:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:04:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:04:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2021-11-23 15:04:42,434 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2021-11-23 15:04:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 15:04:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 15:04:42,435 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2021-11-23 15:04:42,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2021-11-23 15:04:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:04:42,436 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:04:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 15:04:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 15:04:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:04:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:04:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-11-23 15:04:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-11-23 15:04:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-11-23 15:04:42,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-11-23 15:04:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:42,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-23 15:04:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-23 15:04:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:04:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-11-23 15:04:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-11-23 15:04:42,439 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:04:42,439 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:04:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2021-11-23 15:04:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2021-11-23 15:04:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:04:42,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:04:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:04:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:04:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2021-11-23 15:04:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2021-11-23 15:04:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 15:04:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 15:04:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:04:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:04:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:04:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:04:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:04:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:04:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:04:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:04:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:04:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:04:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 15:04:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 15:04:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 15:04:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 15:04:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:04:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:04:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:04:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-11-23 15:04:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-11-23 15:04:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:04:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:04:43,121 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:43,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:43,367 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:43,375 INFO L158 Benchmark]: Toolchain (without parser) took 3626.61ms. Allocated memory was 98.6MB in the beginning and 195.0MB in the end (delta: 96.5MB). Free memory was 54.2MB in the beginning and 90.3MB in the end (delta: -36.0MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:43,376 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:43,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2137.28ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 53.9MB in the beginning and 58.9MB in the end (delta: -5.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:43,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.25ms. Allocated memory is still 123.7MB. Free memory was 58.9MB in the beginning and 42.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:43,384 INFO L158 Benchmark]: Boogie Preprocessor took 234.27ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 42.1MB in the beginning and 122.8MB in the end (delta: -80.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:43,386 INFO L158 Benchmark]: RCFGBuilder took 1051.57ms. Allocated memory is still 195.0MB. Free memory was 122.8MB in the beginning and 90.3MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:43,390 INFO L339 ainManager$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 98.6MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2137.28ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 53.9MB in the beginning and 58.9MB in the end (delta: -5.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.25ms. Allocated memory is still 123.7MB. Free memory was 58.9MB in the beginning and 42.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 234.27ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 42.1MB in the beginning and 122.8MB in the end (delta: -80.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1051.57ms. Allocated memory is still 195.0MB. Free memory was 122.8MB in the beginning and 90.3MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:43,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/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_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/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_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/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_1787d270-4395-4ecb-a089-672c6ea5740b/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 6063bfeeaa4a025ac67d1a7a9b5cc20b489e34fc9db0d4dd9fcdda86c75b9c5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:45,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:45,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:46,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:46,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:46,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:46,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:46,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:46,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:46,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:46,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:46,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:46,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:46,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:46,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:46,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:46,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:46,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:46,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:46,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:46,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:46,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:46,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:46,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:46,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:46,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:46,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:46,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:46,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:46,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:46,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:46,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:46,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:46,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:46,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:46,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:46,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:46,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:46,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:46,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:46,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:46,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:04:46,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:46,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:46,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:46,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:46,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:46,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:46,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:46,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:46,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:46,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:46,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:46,155 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:46,155 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:46,155 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:46,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:46,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:46,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:46,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:46,156 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:46,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:46,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:46,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:46,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:46,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:46,158 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:46,158 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:46,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:46,159 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:46,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:46,159 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_1787d270-4395-4ecb-a089-672c6ea5740b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6063bfeeaa4a025ac67d1a7a9b5cc20b489e34fc9db0d4dd9fcdda86c75b9c5e [2021-11-23 15:04:46,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:46,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:46,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:46,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:46,550 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:46,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2021-11-23 15:04:46,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/ca86f3dc5/4af6f1df8d1344b0b70ea11c03f0affc/FLAG136f568c2 [2021-11-23 15:04:47,584 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:47,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i [2021-11-23 15:04:47,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/ca86f3dc5/4af6f1df8d1344b0b70ea11c03f0affc/FLAG136f568c2 [2021-11-23 15:04:48,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/data/ca86f3dc5/4af6f1df8d1344b0b70ea11c03f0affc [2021-11-23 15:04:48,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:48,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:48,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:48,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:48,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:48,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e66447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48, skipping insertion in model container [2021-11-23 15:04:48,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:48,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:48,868 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_1787d270-4395-4ecb-a089-672c6ea5740b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2021-11-23 15:04:49,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:49,824 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:04:49,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:49,992 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_1787d270-4395-4ecb-a089-672c6ea5740b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2021-11-23 15:04:50,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:50,153 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:50,300 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_1787d270-4395-4ecb-a089-672c6ea5740b/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1b0b0ac-1-108_1a-drivers--net--slip.ko-entry_point.cil.out.i[139152,139165] [2021-11-23 15:04:50,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:50,659 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:50,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50 WrapperNode [2021-11-23 15:04:50,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:50,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:50,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:50,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:50,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,911 INFO L137 Inliner]: procedures = 197, calls = 828, calls flagged for inlining = 92, calls inlined = 90, statements flattened = 3062 [2021-11-23 15:04:50,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:50,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:50,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:50,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:50,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:50,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:51,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:51,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:51,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:51,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:51,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:51,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:51,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:51,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:50" (1/1) ... [2021-11-23 15:04:51,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:51,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:51,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-23 15:04:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-23 15:04:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:04:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2021-11-23 15:04:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2021-11-23 15:04:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:04:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:04:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:04:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:04:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:04:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:04:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:04:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:04:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:04:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:04:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:04:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:04:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:04:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:04:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:04:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:04:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:04:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 15:04:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 15:04:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 15:04:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 15:04:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-11-23 15:04:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-11-23 15:04:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 15:04:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 15:04:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 15:04:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 15:04:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2021-11-23 15:04:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2021-11-23 15:04:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:04:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:04:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-11-23 15:04:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-11-23 15:04:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:04:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:04:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:04:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:04:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-23 15:04:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-23 15:04:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:04:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:04:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:04:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:04:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2021-11-23 15:04:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2021-11-23 15:04:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:04:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:04:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:04:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:04:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:04:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:04:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:04:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:04:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:04:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:04:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:04:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:04:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-11-23 15:04:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-11-23 15:04:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-23 15:04:51,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-23 15:04:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 15:04:51,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 15:04:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 15:04:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 15:04:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:04:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:04:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:04:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:04:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:04:51,288 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:04:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:04:51,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:04:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-11-23 15:04:51,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-11-23 15:04:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:04:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:04:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:04:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:04:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:04:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:04:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-23 15:04:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-23 15:04:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-11-23 15:04:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-11-23 15:04:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-11-23 15:04:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-11-23 15:04:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:04:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:04:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:04:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:04:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:04:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:04:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2021-11-23 15:04:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2021-11-23 15:04:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:04:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:04:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-23 15:04:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-23 15:04:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-11-23 15:04:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-11-23 15:04:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-11-23 15:04:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-11-23 15:04:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:04:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:04:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2021-11-23 15:04:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2021-11-23 15:04:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 15:04:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-23 15:04:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:04:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:04:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:04:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 15:04:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 15:04:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 15:04:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 15:04:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:04:51,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:04:51,960 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:51,964 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:52,376 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:52,380 INFO L158 Benchmark]: Toolchain (without parser) took 4356.21ms. Allocated memory was 60.8MB in the beginning and 224.4MB in the end (delta: 163.6MB). Free memory was 31.0MB in the beginning and 110.9MB in the end (delta: -79.9MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,380 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:52,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2635.86ms. Allocated memory was 60.8MB in the beginning and 125.8MB in the end (delta: 65.0MB). Free memory was 30.7MB in the beginning and 57.8MB in the end (delta: -27.0MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.52ms. Allocated memory is still 125.8MB. Free memory was 57.8MB in the beginning and 41.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,382 INFO L158 Benchmark]: Boogie Preprocessor took 263.96ms. Allocated memory was 125.8MB in the beginning and 224.4MB in the end (delta: 98.6MB). Free memory was 41.7MB in the beginning and 146.5MB in the end (delta: -104.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,383 INFO L158 Benchmark]: RCFGBuilder took 1200.46ms. Allocated memory is still 224.4MB. Free memory was 146.5MB in the beginning and 110.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:52,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2635.86ms. Allocated memory was 60.8MB in the beginning and 125.8MB in the end (delta: 65.0MB). Free memory was 30.7MB in the beginning and 57.8MB in the end (delta: -27.0MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.52ms. Allocated memory is still 125.8MB. Free memory was 57.8MB in the beginning and 41.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 263.96ms. Allocated memory was 125.8MB in the beginning and 224.4MB in the end (delta: 98.6MB). Free memory was 41.7MB in the beginning and 146.5MB in the end (delta: -104.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1200.46ms. Allocated memory is still 224.4MB. Free memory was 146.5MB in the beginning and 110.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. 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 15:04:52,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1787d270-4395-4ecb-a089-672c6ea5740b/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