./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB --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 a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:58:13,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:13,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:13,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:13,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:13,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:13,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:13,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:13,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:13,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:13,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:13,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:13,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:13,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:13,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:13,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:13,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:13,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:13,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:13,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:13,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:13,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:13,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:13,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:13,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:13,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:13,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:13,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:13,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:13,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:13,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:13,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:13,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:13,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:13,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:13,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:13,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:13,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:13,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:13,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:13,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:13,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:58:13,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:13,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:13,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:13,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:13,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:13,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:13,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:13,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:13,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:13,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:13,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:13,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:13,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:13,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:13,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:13,541 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:13,541 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:13,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:13,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:13,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:13,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:13,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:13,543 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:13,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:13,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:13,544 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_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a900a56caf1252bf2b77371f0836914c913e44b231203ecd4eebd687a96fd0c2 [2022-10-17 16:58:13,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:13,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:13,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:13,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:13,849 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:13,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-10-17 16:58:13,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/data/f88e396ec/c953fa9fa30741829128af4f11c7a7ec/FLAGc34d50551 [2022-10-17 16:58:14,866 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:14,871 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-10-17 16:58:14,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/data/f88e396ec/c953fa9fa30741829128af4f11c7a7ec/FLAGc34d50551 [2022-10-17 16:58:15,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/data/f88e396ec/c953fa9fa30741829128af4f11c7a7ec [2022-10-17 16:58:15,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:15,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:15,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:15,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:15,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:15,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:15" (1/1) ... [2022-10-17 16:58:15,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782e6306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:15, skipping insertion in model container [2022-10-17 16:58:15,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:15" (1/1) ... [2022-10-17 16:58:15,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:15,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:16,108 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2022-10-17 16:58:16,113 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2022-10-17 16:58:16,821 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_f831c120-54fc-41d6-8c6a-40c936fe09ad/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2022-10-17 16:58:18,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:18,511 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:18,697 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5986] [2022-10-17 16:58:18,698 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5987-5988] [2022-10-17 16:58:18,720 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_f831c120-54fc-41d6-8c6a-40c936fe09ad/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[188410,188423] [2022-10-17 16:58:19,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:19,319 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:19,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19 WrapperNode [2022-10-17 16:58:19,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:19,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:19,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:19,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:19,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:19,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:19,745 INFO L138 Inliner]: procedures = 350, calls = 2000, calls flagged for inlining = 171, calls inlined = 139, statements flattened = 4723 [2022-10-17 16:58:19,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:19,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:19,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:19,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:19,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:19,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:19,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:19,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:20,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:20,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:20,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:20,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:20,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:20,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:20,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:20,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:20,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:19" (1/1) ... [2022-10-17 16:58:20,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:20,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:20,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:20,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f831c120-54fc-41d6-8c6a-40c936fe09ad/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:58:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-10-17 16:58:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-10-17 16:58:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:58:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-10-17 16:58:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-10-17 16:58:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:58:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:58:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-17 16:58:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-17 16:58:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-10-17 16:58:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-10-17 16:58:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2022-10-17 16:58:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2022-10-17 16:58:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-17 16:58:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-17 16:58:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-10-17 16:58:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-10-17 16:58:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 16:58:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 16:58:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 16:58:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 16:58:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:58:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:58:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 16:58:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 16:58:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-10-17 16:58:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-10-17 16:58:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-10-17 16:58:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-10-17 16:58:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-10-17 16:58:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-10-17 16:58:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2022-10-17 16:58:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2022-10-17 16:58:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:58:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:58:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-17 16:58:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-17 16:58:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 16:58:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 16:58:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-10-17 16:58:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-10-17 16:58:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 16:58:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 16:58:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:58:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:58:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-10-17 16:58:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-10-17 16:58:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:58:20,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:58:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2022-10-17 16:58:20,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2022-10-17 16:58:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-10-17 16:58:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-10-17 16:58:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-10-17 16:58:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-10-17 16:58:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2022-10-17 16:58:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2022-10-17 16:58:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 16:58:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 16:58:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-10-17 16:58:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-10-17 16:58:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 16:58:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 16:58:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-10-17 16:58:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-10-17 16:58:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-10-17 16:58:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-10-17 16:58:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-10-17 16:58:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-10-17 16:58:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-10-17 16:58:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-10-17 16:58:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-17 16:58:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-10-17 16:58:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2022-10-17 16:58:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2022-10-17 16:58:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:58:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 16:58:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 16:58:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 16:58:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 16:58:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 16:58:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 16:58:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-17 16:58:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-10-17 16:58:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-10-17 16:58:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-10-17 16:58:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-10-17 16:58:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 16:58:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 16:58:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 16:58:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 16:58:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:58:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2022-10-17 16:58:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2022-10-17 16:58:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-10-17 16:58:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-10-17 16:58:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 16:58:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 16:58:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-10-17 16:58:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-10-17 16:58:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-10-17 16:58:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-10-17 16:58:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-10-17 16:58:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-10-17 16:58:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 16:58:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 16:58:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 16:58:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 16:58:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 16:58:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 16:58:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-10-17 16:58:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-10-17 16:58:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-10-17 16:58:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-10-17 16:58:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:58:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 16:58:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 16:58:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 16:58:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 16:58:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-10-17 16:58:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-10-17 16:58:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-10-17 16:58:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-10-17 16:58:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 16:58:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 16:58:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 16:58:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 16:58:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:58:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-10-17 16:58:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-10-17 16:58:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-10-17 16:58:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-10-17 16:58:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2022-10-17 16:58:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2022-10-17 16:58:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2022-10-17 16:58:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2022-10-17 16:58:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-10-17 16:58:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-10-17 16:58:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:58:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 16:58:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 16:58:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 16:58:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 16:58:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-10-17 16:58:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-10-17 16:58:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:58:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:58:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2022-10-17 16:58:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2022-10-17 16:58:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-10-17 16:58:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-10-17 16:58:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get [2022-10-17 16:58:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get [2022-10-17 16:58:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 16:58:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 16:58:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 16:58:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 16:58:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-10-17 16:58:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-10-17 16:58:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:58:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:58:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-10-17 16:58:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-10-17 16:58:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-10-17 16:58:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-10-17 16:58:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:58:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 16:58:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 16:58:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 16:58:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 16:58:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:58:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:58:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_id_from_freelist [2022-10-17 16:58:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_id_from_freelist [2022-10-17 16:58:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-10-17 16:58:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-10-17 16:58:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2022-10-17 16:58:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2022-10-17 16:58:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:58:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 16:58:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 16:58:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 16:58:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 16:58:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-10-17 16:58:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-10-17 16:58:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:58:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 16:58:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 16:58:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-10-17 16:58:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-10-17 16:58:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 16:58:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 16:58:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-17 16:58:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-17 16:58:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-10-17 16:58:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-10-17 16:58:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-10-17 16:58:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-10-17 16:58:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 16:58:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 16:58:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-10-17 16:58:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-10-17 16:58:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-10-17 16:58:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-10-17 16:58:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 16:58:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 16:58:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2022-10-17 16:58:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2022-10-17 16:58:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-10-17 16:58:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-10-17 16:58:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 16:58:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 16:58:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 16:58:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 16:58:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-17 16:58:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-17 16:58:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-10-17 16:58:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-10-17 16:58:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-10-17 16:58:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-10-17 16:58:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-10-17 16:58:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-10-17 16:58:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 16:58:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 16:58:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 16:58:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 16:58:21,249 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:21,258 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:22,705 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:58:38,795 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:40,236 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:40,236 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:58:40,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:40 BoogieIcfgContainer [2022-10-17 16:58:40,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:40,243 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:40,243 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:40,251 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:40,251 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:40" (1/1) ... [2022-10-17 16:58:40,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1232 states and 1732 transitions. [2022-10-17 16:58:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1732 transitions. [2022-10-17 16:58:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-17 16:58:40,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:58:42,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:58:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1238 states and 1792 transitions. [2022-10-17 16:58:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1792 transitions. [2022-10-17 16:58:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:58:43,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:43,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-10-17 16:58:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1239 states and 1793 transitions. [2022-10-17 16:58:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1793 transitions. [2022-10-17 16:58:43,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:58:43,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:43,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:58:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1243 states and 1851 transitions. [2022-10-17 16:58:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1851 transitions. [2022-10-17 16:58:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:58:44,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:44,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:58:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1246 states and 1893 transitions. [2022-10-17 16:58:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1893 transitions. [2022-10-17 16:58:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:58:45,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:58:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1251 states and 1941 transitions. [2022-10-17 16:58:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1941 transitions. [2022-10-17 16:58:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:58:46,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-10-17 16:58:46,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1252 states and 1942 transitions. [2022-10-17 16:58:46,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1942 transitions. [2022-10-17 16:58:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-17 16:58:46,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms