./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/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_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/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_6cc9a33f-47ad-4b12-8649-146d210ac3be/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 f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:44,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:44,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:44,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:44,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:44,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:44,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:44,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:44,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:44,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:44,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:44,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:44,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:44,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:44,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:44,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:44,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:44,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:44,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:44,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:44,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:44,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:44,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:44,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:44,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:44,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:44,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:44,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:44,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:44,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:44,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:44,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:44,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:44,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:44,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:44,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:44,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:44,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:44,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:44,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:44,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:44,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:38:44,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:44,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:44,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:44,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:44,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:44,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:44,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:44,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:44,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:44,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:44,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:44,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:44,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:44,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:44,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:44,685 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:44,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:44,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:44,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:44,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:44,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:44,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:44,687 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:44,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:44,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:44,688 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_6cc9a33f-47ad-4b12-8649-146d210ac3be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-11-23 15:38:44,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:44,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:44,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:44,998 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:44,999 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:45,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-11-23 15:38:45,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/67bcb3f88/f22c6fe811d14bc4bcd07de89c0bd9d0/FLAGb48d3fc0e [2021-11-23 15:38:46,069 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:46,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-11-23 15:38:46,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/67bcb3f88/f22c6fe811d14bc4bcd07de89c0bd9d0/FLAGb48d3fc0e [2021-11-23 15:38:46,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/67bcb3f88/f22c6fe811d14bc4bcd07de89c0bd9d0 [2021-11-23 15:38:46,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:46,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:46,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:46,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:46,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:46,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:46" (1/1) ... [2021-11-23 15:38:46,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6134cff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:46, skipping insertion in model container [2021-11-23 15:38:46,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:46" (1/1) ... [2021-11-23 15:38:46,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:46,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:50,188 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_6cc9a33f-47ad-4b12-8649-146d210ac3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-11-23 15:38:50,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:50,352 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:51,129 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_6cc9a33f-47ad-4b12-8649-146d210ac3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-11-23 15:38:51,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:51,369 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:51,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51 WrapperNode [2021-11-23 15:38:51,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:51,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:51,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:51,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:51,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,719 INFO L137 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4483 [2021-11-23 15:38:51,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:51,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:51,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:51,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:51,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:51,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:52,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:52,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:52,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:52,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:52,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:51" (1/1) ... [2021-11-23 15:38:52,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:52,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:52,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:52,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 15:38:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-23 15:38:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-23 15:38:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-11-23 15:38:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-11-23 15:38:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-23 15:38:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-23 15:38:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:38:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:38:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-11-23 15:38:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-11-23 15:38:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 15:38:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 15:38:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-11-23 15:38:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-11-23 15:38:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:38:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:38:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-11-23 15:38:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-11-23 15:38:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-11-23 15:38:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-11-23 15:38:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:38:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:38:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-11-23 15:38:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-11-23 15:38:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:38:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:38:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-11-23 15:38:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-11-23 15:38:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-23 15:38:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-23 15:38:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 15:38:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 15:38:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:38:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:38:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-11-23 15:38:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-11-23 15:38:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:38:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:38:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-11-23 15:38:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-11-23 15:38:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:38:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-23 15:38:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-23 15:38:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:38:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:38:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:38:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:38:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:38:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-23 15:38:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-23 15:38:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 15:38:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 15:38:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:38:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:38:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:38:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-11-23 15:38:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-11-23 15:38:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:38:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:38:52,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:38:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-11-23 15:38:52,111 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-11-23 15:38:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-23 15:38:52,111 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-23 15:38:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-11-23 15:38:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-11-23 15:38:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-11-23 15:38:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-11-23 15:38:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 15:38:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 15:38:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:38:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:38:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-11-23 15:38:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-11-23 15:38:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:38:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-11-23 15:38:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-11-23 15:38:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:38:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-11-23 15:38:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-11-23 15:38:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:38:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:38:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-23 15:38:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-23 15:38:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-11-23 15:38:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-11-23 15:38:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 15:38:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 15:38:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:38:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:38:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:38:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:38:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:38:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:38:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-11-23 15:38:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-11-23 15:38:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:38:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:38:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 15:38:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 15:38:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-11-23 15:38:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-11-23 15:38:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 15:38:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 15:38:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-23 15:38:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-23 15:38:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-23 15:38:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-23 15:38:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:38:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:38:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-23 15:38:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-23 15:38:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:38:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:38:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-11-23 15:38:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-11-23 15:38:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-11-23 15:38:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-11-23 15:38:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:38:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:38:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:38:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:38:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:38:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:38:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-23 15:38:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-23 15:38:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 15:38:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 15:38:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-11-23 15:38:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-11-23 15:38:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-11-23 15:38:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-11-23 15:38:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 15:38:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 15:38:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:38:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 15:38:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 15:38:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-11-23 15:38:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-11-23 15:38:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:38:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-11-23 15:38:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-11-23 15:38:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-23 15:38:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-23 15:38:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-11-23 15:38:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-11-23 15:38:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-23 15:38:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-23 15:38:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:38:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:38:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:38:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:38:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:38:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:38:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:38:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-11-23 15:38:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-11-23 15:38:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:38:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:38:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-11-23 15:38:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-11-23 15:38:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:38:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:38:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:38:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:38:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:38:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:38:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:38:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-23 15:38:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-23 15:38:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-11-23 15:38:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-11-23 15:38:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:38:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:38:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:38:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:38:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 15:38:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 15:38:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:38:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:38:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:38:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:38:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 15:38:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 15:38:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:38:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-11-23 15:38:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-11-23 15:38:52,891 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:52,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:53,245 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:38:53,254 INFO L158 Benchmark]: Toolchain (without parser) took 6855.97ms. Allocated memory was 123.7MB in the beginning and 339.7MB in the end (delta: 216.0MB). Free memory was 92.5MB in the beginning and 233.4MB in the end (delta: -140.9MB). Peak memory consumption was 176.7MB. Max. memory is 16.1GB. [2021-11-23 15:38:53,257 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:53,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4970.08ms. Allocated memory was 123.7MB in the beginning and 339.7MB in the end (delta: 216.0MB). Free memory was 92.3MB in the beginning and 243.7MB in the end (delta: -151.4MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:53,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 351.01ms. Allocated memory is still 339.7MB. Free memory was 243.7MB in the beginning and 216.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:53,264 INFO L158 Benchmark]: Boogie Preprocessor took 291.05ms. Allocated memory is still 339.7MB. Free memory was 216.4MB in the beginning and 190.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:53,265 INFO L158 Benchmark]: RCFGBuilder took 1237.21ms. Allocated memory is still 339.7MB. Free memory was 190.2MB in the beginning and 233.4MB in the end (delta: -43.1MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2021-11-23 15:38:53,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4970.08ms. Allocated memory was 123.7MB in the beginning and 339.7MB in the end (delta: 216.0MB). Free memory was 92.3MB in the beginning and 243.7MB in the end (delta: -151.4MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 351.01ms. Allocated memory is still 339.7MB. Free memory was 243.7MB in the beginning and 216.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 291.05ms. Allocated memory is still 339.7MB. Free memory was 216.4MB in the beginning and 190.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.21ms. Allocated memory is still 339.7MB. Free memory was 190.2MB in the beginning and 233.4MB in the end (delta: -43.1MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:38:53,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/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_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/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_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/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_6cc9a33f-47ad-4b12-8649-146d210ac3be/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 f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:55,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:55,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:55,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:55,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:55,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:55,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:55,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:55,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:55,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:55,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:55,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:55,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:55,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:55,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:55,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:55,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:55,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:55,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:55,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:55,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:55,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:55,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:55,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:55,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:55,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:55,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:55,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:55,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:55,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:55,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:55,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:55,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:55,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:55,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:55,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:55,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:55,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:55,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:55,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:55,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:55,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:38:55,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:55,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:55,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:55,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:55,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:55,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:55,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:55,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:55,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:55,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:55,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:55,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:55,999 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:55,999 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:55,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:55,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:56,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:56,000 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:56,000 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:56,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:56,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:56,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:56,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:56,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:56,002 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:56,002 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:56,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:56,002 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:56,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:56,003 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_6cc9a33f-47ad-4b12-8649-146d210ac3be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-11-23 15:38:56,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:56,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:56,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:56,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:56,431 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:56,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-11-23 15:38:56,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/015af7563/a8aecfa69f2d48b4ac76eb0376519792/FLAG34bf53df1 [2021-11-23 15:38:57,480 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:57,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-11-23 15:38:57,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/015af7563/a8aecfa69f2d48b4ac76eb0376519792/FLAG34bf53df1 [2021-11-23 15:38:57,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/data/015af7563/a8aecfa69f2d48b4ac76eb0376519792 [2021-11-23 15:38:57,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:57,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:57,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:57,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:57,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:57,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:57" (1/1) ... [2021-11-23 15:38:57,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a630ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:57, skipping insertion in model container [2021-11-23 15:38:57,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:57" (1/1) ... [2021-11-23 15:38:57,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:58,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:01,452 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_6cc9a33f-47ad-4b12-8649-146d210ac3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-11-23 15:39:01,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:01,589 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:39:01,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:02,256 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_6cc9a33f-47ad-4b12-8649-146d210ac3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-11-23 15:39:02,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:02,286 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:03,212 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_6cc9a33f-47ad-4b12-8649-146d210ac3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-11-23 15:39:03,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:03,490 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:03,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03 WrapperNode [2021-11-23 15:39:03,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:03,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:03,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:03,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:03,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:03,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:03,789 INFO L137 Inliner]: procedures = 440, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4357 [2021-11-23 15:39:03,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:03,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:03,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:03,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:03,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:03,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:03,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:03,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:03,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:04,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:04,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:04,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:04,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:04,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:04,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:04,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:03" (1/1) ... [2021-11-23 15:39:04,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:04,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:04,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:04,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 15:39:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-23 15:39:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-23 15:39:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-11-23 15:39:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-11-23 15:39:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-23 15:39:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-23 15:39:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:39:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:39:04,172 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-11-23 15:39:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-11-23 15:39:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-23 15:39:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-23 15:39:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-11-23 15:39:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-11-23 15:39:04,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:39:04,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:39:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-11-23 15:39:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-11-23 15:39:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-11-23 15:39:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-11-23 15:39:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 15:39:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 15:39:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-11-23 15:39:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-11-23 15:39:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:39:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:39:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-11-23 15:39:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-11-23 15:39:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-23 15:39:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-23 15:39:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 15:39:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 15:39:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:39:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:39:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-11-23 15:39:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-11-23 15:39:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:39:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:39:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-11-23 15:39:04,178 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-11-23 15:39:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:39:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:04,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:39:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-23 15:39:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-23 15:39:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:39:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:39:04,179 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 15:39:04,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 15:39:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-23 15:39:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-23 15:39:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 15:39:04,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 15:39:04,180 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:39:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:39:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-11-23 15:39:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-11-23 15:39:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:39:04,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:39:04,181 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-11-23 15:39:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-11-23 15:39:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-23 15:39:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-23 15:39:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-11-23 15:39:04,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-11-23 15:39:04,182 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-11-23 15:39:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-11-23 15:39:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 15:39:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 15:39:04,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:39:04,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:39:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-11-23 15:39:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-11-23 15:39:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:39:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-11-23 15:39:04,184 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-11-23 15:39:04,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:39:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:39:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-11-23 15:39:04,185 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-11-23 15:39:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:39:04,185 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-23 15:39:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-23 15:39:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-23 15:39:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-23 15:39:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:39:04,186 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-11-23 15:39:04,186 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-11-23 15:39:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 15:39:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 15:39:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:39:04,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:39:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:39:04,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:39:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:39:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:39:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:39:04,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:39:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:39:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:39:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:39:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-11-23 15:39:04,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-11-23 15:39:04,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:39:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:39:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 15:39:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 15:39:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-11-23 15:39:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-11-23 15:39:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 15:39:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 15:39:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-23 15:39:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-23 15:39:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-23 15:39:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-23 15:39:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:39:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:39:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-23 15:39:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-23 15:39:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 15:39:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 15:39:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-11-23 15:39:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-11-23 15:39:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-11-23 15:39:04,193 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-11-23 15:39:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:39:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:39:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:39:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:39:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:39:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:39:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-23 15:39:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-23 15:39:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 15:39:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 15:39:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-11-23 15:39:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-11-23 15:39:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-11-23 15:39:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-11-23 15:39:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 15:39:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 15:39:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 15:39:04,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 15:39:04,196 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-11-23 15:39:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-11-23 15:39:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:39:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-11-23 15:39:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-11-23 15:39:04,197 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-23 15:39:04,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-23 15:39:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-11-23 15:39:04,198 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-11-23 15:39:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:39:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:39:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:39:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-23 15:39:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-23 15:39:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:39:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:39:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:39:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:39:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:39:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:39:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:39:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:39:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-11-23 15:39:04,200 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-11-23 15:39:04,200 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 15:39:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 15:39:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-11-23 15:39:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-11-23 15:39:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:39:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:39:04,201 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:39:04,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:39:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:39:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:39:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:39:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:39:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:39:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:39:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-23 15:39:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-23 15:39:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-11-23 15:39:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-11-23 15:39:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:39:04,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:39:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:39:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:39:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 15:39:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 15:39:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 15:39:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 15:39:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:39:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:39:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 15:39:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 15:39:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-11-23 15:39:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-11-23 15:39:04,925 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:04,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:06,130 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:39:06,135 INFO L158 Benchmark]: Toolchain (without parser) took 8254.84ms. Allocated memory was 58.7MB in the beginning and 415.2MB in the end (delta: 356.5MB). Free memory was 31.3MB in the beginning and 183.2MB in the end (delta: -151.9MB). Peak memory consumption was 205.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:06,135 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:06,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5609.01ms. Allocated memory was 58.7MB in the beginning and 415.2MB in the end (delta: 356.5MB). Free memory was 30.9MB in the beginning and 283.9MB in the end (delta: -252.9MB). Peak memory consumption was 139.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:06,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 297.38ms. Allocated memory is still 415.2MB. Free memory was 283.9MB in the beginning and 258.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:39:06,137 INFO L158 Benchmark]: Boogie Preprocessor took 294.54ms. Allocated memory is still 415.2MB. Free memory was 258.7MB in the beginning and 230.4MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:06,138 INFO L158 Benchmark]: RCFGBuilder took 2046.98ms. Allocated memory is still 415.2MB. Free memory was 230.4MB in the beginning and 183.2MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-23 15:39:06,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5609.01ms. Allocated memory was 58.7MB in the beginning and 415.2MB in the end (delta: 356.5MB). Free memory was 30.9MB in the beginning and 283.9MB in the end (delta: -252.9MB). Peak memory consumption was 139.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 297.38ms. Allocated memory is still 415.2MB. Free memory was 283.9MB in the beginning and 258.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 294.54ms. Allocated memory is still 415.2MB. Free memory was 258.7MB in the beginning and 230.4MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2046.98ms. Allocated memory is still 415.2MB. Free memory was 230.4MB in the beginning and 183.2MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. 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 15:39:06,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc9a33f-47ad-4b12-8649-146d210ac3be/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