./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.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_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/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_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/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_925f0cb5-ce04-4e53-a679-11db6f93e8be/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 e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:14,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:14,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:14,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:14,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:14,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:14,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:14,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:14,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:14,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:14,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:14,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:14,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:14,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:14,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:14,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:14,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:14,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:14,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:14,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:14,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:14,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:14,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:14,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:14,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:14,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:14,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:14,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:14,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:14,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:14,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:14,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:14,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:14,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:14,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:14,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:14,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:14,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:14,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:14,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:14,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:14,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:34:14,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:14,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:14,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:14,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:14,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:14,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:14,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:14,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:34:14,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:14,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:14,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:14,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:14,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:14,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:14,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:14,289 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:14,289 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:14,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:14,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:14,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:14,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:14,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:14,291 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:34:14,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:34:14,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:14,291 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2021-11-23 15:34:14,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:14,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:14,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:14,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:14,630 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:14,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2021-11-23 15:34:14,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/2299cdc47/84ced814caee41cfb027ef8a24e6df14/FLAG383eea80d [2021-11-23 15:34:15,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:15,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2021-11-23 15:34:15,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/2299cdc47/84ced814caee41cfb027ef8a24e6df14/FLAG383eea80d [2021-11-23 15:34:16,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/2299cdc47/84ced814caee41cfb027ef8a24e6df14 [2021-11-23 15:34:16,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:16,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:16,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:16,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:16,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:16,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:16" (1/1) ... [2021-11-23 15:34:16,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe11c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16, skipping insertion in model container [2021-11-23 15:34:16,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:16" (1/1) ... [2021-11-23 15:34:16,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:16,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:17,795 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2021-11-23 15:34:17,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:17,934 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:18,370 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2021-11-23 15:34:18,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:18,501 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:18,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18 WrapperNode [2021-11-23 15:34:18,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:18,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:18,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:18,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:18,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,674 INFO L137 Inliner]: procedures = 188, calls = 583, calls flagged for inlining = 72, calls inlined = 47, statements flattened = 1193 [2021-11-23 15:34:18,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:18,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:18,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:18,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:18,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:18,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:18,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:18,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:18,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:18,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:18,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:18,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:34:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2021-11-23 15:34:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2021-11-23 15:34:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2021-11-23 15:34:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2021-11-23 15:34:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:34:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2021-11-23 15:34:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2021-11-23 15:34:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2021-11-23 15:34:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2021-11-23 15:34:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:34:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:34:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 15:34:18,990 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 15:34:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2021-11-23 15:34:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2021-11-23 15:34:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:34:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:34:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:34:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:34:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:34:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2021-11-23 15:34:18,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2021-11-23 15:34:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-11-23 15:34:18,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-11-23 15:34:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:34:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2021-11-23 15:34:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2021-11-23 15:34:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:34:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:34:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2021-11-23 15:34:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2021-11-23 15:34:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:34:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:34:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2021-11-23 15:34:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2021-11-23 15:34:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-23 15:34:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-23 15:34:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 15:34:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 15:34:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:34:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:34:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:34:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:34:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:34:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:34:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2021-11-23 15:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2021-11-23 15:34:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2021-11-23 15:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2021-11-23 15:34:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2021-11-23 15:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2021-11-23 15:34:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:34:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-11-23 15:34:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-11-23 15:34:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2021-11-23 15:34:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2021-11-23 15:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:34:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2021-11-23 15:34:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2021-11-23 15:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2021-11-23 15:34:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2021-11-23 15:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:34:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:19,577 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:19,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:20,844 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:21,027 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:34:21,033 INFO L158 Benchmark]: Toolchain (without parser) took 5001.03ms. Allocated memory was 119.5MB in the beginning and 276.8MB in the end (delta: 157.3MB). Free memory was 68.9MB in the beginning and 208.4MB in the end (delta: -139.5MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:21,034 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 95.5MB in the beginning and 95.5MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:21,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2471.33ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 68.7MB in the beginning and 73.7MB in the end (delta: -5.0MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-11-23 15:34:21,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.10ms. Allocated memory is still 151.0MB. Free memory was 73.7MB in the beginning and 65.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:21,039 INFO L158 Benchmark]: Boogie Preprocessor took 169.57ms. Allocated memory is still 151.0MB. Free memory was 65.2MB in the beginning and 91.0MB in the end (delta: -25.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:34:21,040 INFO L158 Benchmark]: RCFGBuilder took 2184.36ms. Allocated memory was 151.0MB in the beginning and 276.8MB in the end (delta: 125.8MB). Free memory was 91.0MB in the beginning and 208.4MB in the end (delta: -117.4MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:21,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 119.5MB. Free memory was 95.5MB in the beginning and 95.5MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2471.33ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 68.7MB in the beginning and 73.7MB in the end (delta: -5.0MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 167.10ms. Allocated memory is still 151.0MB. Free memory was 73.7MB in the beginning and 65.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.57ms. Allocated memory is still 151.0MB. Free memory was 65.2MB in the beginning and 91.0MB in the end (delta: -25.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2184.36ms. Allocated memory was 151.0MB in the beginning and 276.8MB in the end (delta: 125.8MB). Free memory was 91.0MB in the beginning and 208.4MB in the end (delta: -117.4MB). Peak memory consumption was 84.4MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:34:21,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/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_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/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_925f0cb5-ce04-4e53-a679-11db6f93e8be/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 e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:24,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:24,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:24,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:24,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:24,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:24,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:24,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:24,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:24,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:24,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:24,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:24,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:24,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:24,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:24,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:24,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:24,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:24,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:24,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:24,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:24,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:24,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:24,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:24,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:24,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:24,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:24,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:24,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:24,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:24,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:24,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:24,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:24,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:24,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:24,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:24,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:24,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:24,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:24,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:24,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:24,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:34:24,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:24,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:24,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:24,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:24,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:24,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:24,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:24,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:24,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:24,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:24,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:24,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:34:24,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:34:24,341 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:34:24,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:24,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:24,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:24,342 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:24,343 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:24,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:24,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:24,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:24,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:24,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:24,344 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:34:24,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:34:24,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:24,345 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:34:24,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:34:24,345 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b9005361fd0095f8dbb62f5fee3acdc88198cbc01de43b11979176397f6891 [2021-11-23 15:34:24,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:24,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:24,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:24,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:24,880 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:24,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2021-11-23 15:34:24,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/632c7238f/e338819c2e574acaa5b930e993fd8ae7/FLAG9dae5ee80 [2021-11-23 15:34:26,154 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:26,155 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i [2021-11-23 15:34:26,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/632c7238f/e338819c2e574acaa5b930e993fd8ae7/FLAG9dae5ee80 [2021-11-23 15:34:26,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/data/632c7238f/e338819c2e574acaa5b930e993fd8ae7 [2021-11-23 15:34:26,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:26,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:26,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:26,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:26,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:26,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:26" (1/1) ... [2021-11-23 15:34:26,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bd4278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:26, skipping insertion in model container [2021-11-23 15:34:26,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:26" (1/1) ... [2021-11-23 15:34:26,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:26,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:28,288 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2021-11-23 15:34:28,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:28,502 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:34:28,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:28,878 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2021-11-23 15:34:28,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:28,921 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:29,255 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_925f0cb5-ce04-4e53-a679-11db6f93e8be/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--scsi--scsi_tgt.ko-main.cil.out.i[228448,228461] [2021-11-23 15:34:29,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:29,393 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:29,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29 WrapperNode [2021-11-23 15:34:29,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:29,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:29,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:29,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:29,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,568 INFO L137 Inliner]: procedures = 203, calls = 582, calls flagged for inlining = 72, calls inlined = 47, statements flattened = 1139 [2021-11-23 15:34:29,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:29,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:29,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:29,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:29,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:29,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:29,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:29,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:29,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:29" (1/1) ... [2021-11-23 15:34:29,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:29,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:29,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:29,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:34:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:34:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:34:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:34:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2021-11-23 15:34:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2021-11-23 15:34:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_release_buffers [2021-11-23 15:34:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_release_buffers [2021-11-23 15:34:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:34:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:34:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 15:34:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 15:34:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:34:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:34:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:34:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:34:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:34:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:34:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 15:34:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 15:34:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:34:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:34:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:34:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:34:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:34:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:34:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_poll [2021-11-23 15:34:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_poll [2021-11-23 15:34:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 15:34:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 15:34:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_lookup [2021-11-23 15:34:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_lookup [2021-11-23 15:34:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_mmap [2021-11-23 15:34:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_mmap [2021-11-23 15:34:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 15:34:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 15:34:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 15:34:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 15:34:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure uspace_ring_map [2021-11-23 15:34:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure uspace_ring_map [2021-11-23 15:34:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unmap_user_pages [2021-11-23 15:34:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unmap_user_pages [2021-11-23 15:34:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 15:34:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 15:34:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_write [2021-11-23 15:34:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_write [2021-11-23 15:34:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:34:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:34:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_open [2021-11-23 15:34:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_open [2021-11-23 15:34:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-11-23 15:34:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-11-23 15:34:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:34:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_to_host [2021-11-23 15:34:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_to_host [2021-11-23 15:34:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_idx_inc [2021-11-23 15:34:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_idx_inc [2021-11-23 15:34:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:34:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_head_event [2021-11-23 15:34:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_head_event [2021-11-23 15:34:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-23 15:34:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-23 15:34:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:34:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:34:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_exit [2021-11-23 15:34:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_exit [2021-11-23 15:34:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tgt_cmd_destroy [2021-11-23 15:34:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tgt_cmd_destroy [2021-11-23 15:34:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure tgt_ring_init [2021-11-23 15:34:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure tgt_ring_init [2021-11-23 15:34:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-11-23 15:34:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-11-23 15:34:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:30,575 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:30,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:32,789 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:32,933 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:34:32,941 INFO L158 Benchmark]: Toolchain (without parser) took 6517.42ms. Allocated memory was 62.9MB in the beginning and 205.5MB in the end (delta: 142.6MB). Free memory was 31.9MB in the beginning and 112.6MB in the end (delta: -80.7MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2021-11-23 15:34:32,943 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:32,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2967.53ms. Allocated memory was 62.9MB in the beginning and 127.9MB in the end (delta: 65.0MB). Free memory was 31.7MB in the beginning and 61.9MB in the end (delta: -30.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:32,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.26ms. Allocated memory is still 127.9MB. Free memory was 61.4MB in the beginning and 53.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:32,948 INFO L158 Benchmark]: Boogie Preprocessor took 188.94ms. Allocated memory is still 127.9MB. Free memory was 53.5MB in the beginning and 44.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:32,953 INFO L158 Benchmark]: RCFGBuilder took 3178.87ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 44.6MB in the beginning and 112.6MB in the end (delta: -68.0MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-11-23 15:34:32,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2967.53ms. Allocated memory was 62.9MB in the beginning and 127.9MB in the end (delta: 65.0MB). Free memory was 31.7MB in the beginning and 61.9MB in the end (delta: -30.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.26ms. Allocated memory is still 127.9MB. Free memory was 61.4MB in the beginning and 53.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.94ms. Allocated memory is still 127.9MB. Free memory was 53.5MB in the beginning and 44.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3178.87ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 44.6MB in the beginning and 112.6MB in the end (delta: -68.0MB). Peak memory consumption was 33.9MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:34:33,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_925f0cb5-ce04-4e53-a679-11db6f93e8be/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