./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.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_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/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_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/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_560894e7-48f9-4cea-b576-a6f9bd55df2b/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 6e17534f736f8f0727327ccce9421d9a9e89801b3a6ab68095fc479caa060175 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:13,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:13,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:13,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:13,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:13,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:13,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:13,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:13,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:13,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:13,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:13,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:13,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:13,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:13,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:13,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:13,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:13,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:13,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:13,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:13,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:13,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:13,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:13,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:13,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:13,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:13,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:13,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:13,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:13,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:13,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:13,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:13,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:13,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:13,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:13,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:13,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:13,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:13,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:13,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:13,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:13,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:40:13,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:13,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:13,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:13,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:13,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:13,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:13,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:13,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:13,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:13,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:13,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:13,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:13,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:13,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:13,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:13,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:13,367 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:13,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:13,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:13,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:13,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:13,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:13,369 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:13,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:13,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:13,369 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_560894e7-48f9-4cea-b576-a6f9bd55df2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e17534f736f8f0727327ccce9421d9a9e89801b3a6ab68095fc479caa060175 [2021-11-23 15:40:13,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:13,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:13,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:13,644 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:13,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:13,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2021-11-23 15:40:13,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/593c28f05/9b3bf014b459455498aadc1c19c13fb9/FLAG334c2a4a4 [2021-11-23 15:40:14,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:14,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2021-11-23 15:40:14,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/593c28f05/9b3bf014b459455498aadc1c19c13fb9/FLAG334c2a4a4 [2021-11-23 15:40:15,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/593c28f05/9b3bf014b459455498aadc1c19c13fb9 [2021-11-23 15:40:15,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:15,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:15,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:15,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:15,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:15,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff18de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:15, skipping insertion in model container [2021-11-23 15:40:15,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:15" (1/1) ... [2021-11-23 15:40:15,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:15,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:16,439 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_560894e7-48f9-4cea-b576-a6f9bd55df2b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i[202834,202847] [2021-11-23 15:40:16,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:16,488 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:16,872 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_560894e7-48f9-4cea-b576-a6f9bd55df2b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i[202834,202847] [2021-11-23 15:40:16,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:16,991 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:16,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16 WrapperNode [2021-11-23 15:40:16,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:16,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:16,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:16,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:17,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,188 INFO L137 Inliner]: procedures = 157, calls = 810, calls flagged for inlining = 80, calls inlined = 79, statements flattened = 2772 [2021-11-23 15:40:17,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:17,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:17,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:17,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:17,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:17,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:17,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:17,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:17,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:16" (1/1) ... [2021-11-23 15:40:17,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:17,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:17,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:17,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:40:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:40:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:40:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:40:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:40:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 15:40:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 15:40:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 15:40:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 15:40:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:40:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:40:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:40:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:40:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:40:17,517 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:40:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:40:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:40:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:40:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2021-11-23 15:40:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2021-11-23 15:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:40:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:40:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:40:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-11-23 15:40:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-11-23 15:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 15:40:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 15:40:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-23 15:40:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-23 15:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:40:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:40:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:40:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 15:40:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 15:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 15:40:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 15:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:40:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-11-23 15:40:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-11-23 15:40:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-11-23 15:40:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-11-23 15:40:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 15:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 15:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-11-23 15:40:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-11-23 15:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:40:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 15:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 15:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:40:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:40:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:40:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 15:40:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 15:40:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:40:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:40:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-11-23 15:40:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-11-23 15:40:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-11-23 15:40:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-11-23 15:40:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:40:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-23 15:40:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-23 15:40:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 15:40:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 15:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-11-23 15:40:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-11-23 15:40:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:40:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:40:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:40:17,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:40:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:40:17,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:40:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:40:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:40:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 15:40:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 15:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 15:40:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 15:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 15:40:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 15:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-11-23 15:40:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-11-23 15:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:40:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:40:18,140 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:18,144 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:18,570 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:40:18,575 INFO L158 Benchmark]: Toolchain (without parser) took 3528.18ms. Allocated memory was 94.4MB in the beginning and 190.8MB in the end (delta: 96.5MB). Free memory was 63.9MB in the beginning and 115.0MB in the end (delta: -51.0MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2021-11-23 15:40:18,575 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:18,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1945.91ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 46.2MB in the end (delta: 17.5MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-11-23 15:40:18,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.03ms. Allocated memory was 121.6MB in the beginning and 190.8MB in the end (delta: 69.2MB). Free memory was 46.2MB in the beginning and 129.8MB in the end (delta: -83.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 15:40:18,578 INFO L158 Benchmark]: Boogie Preprocessor took 218.45ms. Allocated memory is still 190.8MB. Free memory was 129.8MB in the beginning and 114.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:18,578 INFO L158 Benchmark]: RCFGBuilder took 1162.75ms. Allocated memory is still 190.8MB. Free memory was 114.0MB in the beginning and 115.0MB in the end (delta: -937.5kB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-11-23 15:40:18,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1945.91ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 63.7MB in the beginning and 46.2MB in the end (delta: 17.5MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.03ms. Allocated memory was 121.6MB in the beginning and 190.8MB in the end (delta: 69.2MB). Free memory was 46.2MB in the beginning and 129.8MB in the end (delta: -83.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 218.45ms. Allocated memory is still 190.8MB. Free memory was 129.8MB in the beginning and 114.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1162.75ms. Allocated memory is still 190.8MB. Free memory was 114.0MB in the beginning and 115.0MB in the end (delta: -937.5kB). Peak memory consumption was 36.8MB. 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 15:40:18,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/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_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/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_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/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_560894e7-48f9-4cea-b576-a6f9bd55df2b/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 6e17534f736f8f0727327ccce9421d9a9e89801b3a6ab68095fc479caa060175 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:20,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:20,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:20,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:20,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:20,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:20,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:20,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:20,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:20,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:20,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:20,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:20,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:20,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:20,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:20,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:20,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:20,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:20,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:20,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:20,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:20,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:20,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:20,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:20,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:20,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:20,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:20,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:20,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:20,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:20,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:20,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:20,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:20,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:20,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:20,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:20,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:20,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:20,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:20,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:20,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:20,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:40:21,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:21,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:21,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:21,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:21,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:21,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:21,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:21,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:21,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:21,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:21,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:21,012 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:21,012 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:21,012 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:21,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:21,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:21,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:21,013 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:21,014 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:21,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:21,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:21,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:21,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:21,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:21,015 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:21,015 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:21,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:21,016 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:21,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:21,016 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_560894e7-48f9-4cea-b576-a6f9bd55df2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e17534f736f8f0727327ccce9421d9a9e89801b3a6ab68095fc479caa060175 [2021-11-23 15:40:21,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:21,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:21,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:21,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:21,394 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:21,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2021-11-23 15:40:21,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/26e5ac5bf/80b670a1f21a4f5fb8822dcb2b1ef7c8/FLAGf655d1447 [2021-11-23 15:40:22,449 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:22,450 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2021-11-23 15:40:22,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/26e5ac5bf/80b670a1f21a4f5fb8822dcb2b1ef7c8/FLAGf655d1447 [2021-11-23 15:40:22,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/data/26e5ac5bf/80b670a1f21a4f5fb8822dcb2b1ef7c8 [2021-11-23 15:40:22,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:22,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:22,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:22,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:22,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:22,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:22" (1/1) ... [2021-11-23 15:40:22,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b758aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:22, skipping insertion in model container [2021-11-23 15:40:22,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:22" (1/1) ... [2021-11-23 15:40:22,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:22,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:24,411 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_560894e7-48f9-4cea-b576-a6f9bd55df2b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i[202834,202847] [2021-11-23 15:40:24,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:24,493 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:40:24,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:24,768 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_560894e7-48f9-4cea-b576-a6f9bd55df2b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i[202834,202847] [2021-11-23 15:40:24,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:24,782 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:25,059 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_560894e7-48f9-4cea-b576-a6f9bd55df2b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i[202834,202847] [2021-11-23 15:40:25,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:25,207 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:25,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25 WrapperNode [2021-11-23 15:40:25,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:25,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:25,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:25,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:25,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,429 INFO L137 Inliner]: procedures = 170, calls = 810, calls flagged for inlining = 80, calls inlined = 79, statements flattened = 2687 [2021-11-23 15:40:25,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:25,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:25,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:25,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:25,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:25,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:25,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:25,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:25,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:25,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:25,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:25,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:40:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:40:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 15:40:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:40:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:40:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:40:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 15:40:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 15:40:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 15:40:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 15:40:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-23 15:40:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-23 15:40:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:40:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:40:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 15:40:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 15:40:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:40:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:40:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:40:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:40:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2021-11-23 15:40:25,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2021-11-23 15:40:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:40:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:40:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:40:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:40:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2021-11-23 15:40:25,727 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2021-11-23 15:40:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:40:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:40:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:40:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:40:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 15:40:25,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 15:40:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-23 15:40:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-23 15:40:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:40:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:40:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:40:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:40:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 15:40:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 15:40:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 15:40:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 15:40:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:40:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2021-11-23 15:40:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2021-11-23 15:40:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2021-11-23 15:40:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2021-11-23 15:40:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 15:40:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 15:40:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2021-11-23 15:40:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2021-11-23 15:40:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:40:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:40:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 15:40:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:40:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:40:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:40:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 15:40:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 15:40:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:40:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 15:40:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 15:40:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 15:40:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 15:40:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2021-11-23 15:40:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2021-11-23 15:40:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-23 15:40:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-23 15:40:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-11-23 15:40:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-11-23 15:40:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:40:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:40:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:40:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:40:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:40:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-23 15:40:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-23 15:40:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:40:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 15:40:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 15:40:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-11-23 15:40:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-11-23 15:40:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 15:40:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 15:40:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:40:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:40:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:40:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 15:40:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 15:40:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:40:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:40:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:40:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:40:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:40:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:40:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 15:40:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 15:40:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:40:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 15:40:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 15:40:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 15:40:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 15:40:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-23 15:40:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-23 15:40:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 15:40:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 15:40:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2021-11-23 15:40:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2021-11-23 15:40:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 15:40:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 15:40:26,374 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:26,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:37,173 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:40:37,177 INFO L158 Benchmark]: Toolchain (without parser) took 14305.23ms. Allocated memory was 79.7MB in the beginning and 211.8MB in the end (delta: 132.1MB). Free memory was 56.9MB in the beginning and 115.0MB in the end (delta: -58.2MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,178 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:37,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2336.42ms. Allocated memory was 79.7MB in the beginning and 211.8MB in the end (delta: 132.1MB). Free memory was 56.6MB in the beginning and 155.0MB in the end (delta: -98.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.62ms. Allocated memory is still 211.8MB. Free memory was 155.0MB in the beginning and 140.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,180 INFO L158 Benchmark]: Boogie Preprocessor took 201.15ms. Allocated memory is still 211.8MB. Free memory was 140.4MB in the beginning and 123.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,181 INFO L158 Benchmark]: RCFGBuilder took 11541.83ms. Allocated memory is still 211.8MB. Free memory was 123.6MB in the beginning and 115.0MB in the end (delta: 8.5MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2021-11-23 15:40:37,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2336.42ms. Allocated memory was 79.7MB in the beginning and 211.8MB in the end (delta: 132.1MB). Free memory was 56.6MB in the beginning and 155.0MB in the end (delta: -98.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.62ms. Allocated memory is still 211.8MB. Free memory was 155.0MB in the beginning and 140.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 201.15ms. Allocated memory is still 211.8MB. Free memory was 140.4MB in the beginning and 123.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 11541.83ms. Allocated memory is still 211.8MB. Free memory was 123.6MB in the beginning and 115.0MB in the end (delta: 8.5MB). Peak memory consumption was 35.8MB. 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 15:40:37,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560894e7-48f9-4cea-b576-a6f9bd55df2b/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