./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-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.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_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 230b725329634d718374ec3f6d82161758e5d9913588383fdc3e35a9fd1533f5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:30:13,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:30:13,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:30:13,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:30:13,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:30:13,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:30:13,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:30:13,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:30:13,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:30:13,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:30:13,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:30:13,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:30:13,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:30:13,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:30:13,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:30:13,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:30:13,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:30:13,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:30:13,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:30:13,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:30:13,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:30:13,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:30:13,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:30:13,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:30:13,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:30:13,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:30:13,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:30:13,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:30:13,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:30:13,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:30:13,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:30:13,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:30:13,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:30:13,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:30:13,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:30:13,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:30:13,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:30:13,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:30:13,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:30:13,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:30:13,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:30:13,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:30:13,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:30:13,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:30:13,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:30:13,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:30:13,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:30:13,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:30:13,797 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:30:13,798 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:30:13,798 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:30:13,798 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:30:13,800 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:30:13,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:30:13,801 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:30:13,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:30:13,801 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:30:13,802 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:30:13,802 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:30:13,802 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:30:13,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:30:13,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:30:13,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:30:13,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:30:13,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:30:13,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:30:13,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:30:13,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:30:13,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:30:13,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:30:13,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:30:13,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:30:13,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:30:13,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:30:13,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:30:13,808 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:30:13,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:30:13,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:30:13,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:30:13,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:30:13,809 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 230b725329634d718374ec3f6d82161758e5d9913588383fdc3e35a9fd1533f5 [2021-11-23 17:30:14,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:30:14,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:30:14,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:30:14,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:30:14,224 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:30:14,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i [2021-11-23 17:30:14,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/abee16c0e/ccc61b54e9ed4d05a55edea9cd8804dc/FLAGb223fb38b [2021-11-23 17:30:15,323 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:30:15,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i [2021-11-23 17:30:15,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/abee16c0e/ccc61b54e9ed4d05a55edea9cd8804dc/FLAGb223fb38b [2021-11-23 17:30:15,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/abee16c0e/ccc61b54e9ed4d05a55edea9cd8804dc [2021-11-23 17:30:15,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:30:15,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:30:15,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:30:15,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:30:15,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:30:15,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:30:15" (1/1) ... [2021-11-23 17:30:15,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28830dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:15, skipping insertion in model container [2021-11-23 17:30:15,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:30:15" (1/1) ... [2021-11-23 17:30:15,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:30:15,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:30:17,390 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_a71e1293-576f-4b2f-9abb-76389a5936a8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i[164687,164700] [2021-11-23 17:30:17,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:30:17,468 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:30:17,816 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_a71e1293-576f-4b2f-9abb-76389a5936a8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i[164687,164700] [2021-11-23 17:30:17,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:30:17,881 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:30:17,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17 WrapperNode [2021-11-23 17:30:17,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:30:17,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:30:17,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:30:17,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:30:17,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:17,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,167 INFO L137 Inliner]: procedures = 147, calls = 851, calls flagged for inlining = 60, calls inlined = 58, statements flattened = 2024 [2021-11-23 17:30:18,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:30:18,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:30:18,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:30:18,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:30:18,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:30:18,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:30:18,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:30:18,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:30:18,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:17" (1/1) ... [2021-11-23 17:30:18,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:30:18,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:30:18,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:30:18,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:30:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:30:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 17:30:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 17:30:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 17:30:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:30:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:30:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:30:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:30:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:30:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 17:30:18,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 17:30:18,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:30:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:30:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:30:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:30:18,454 INFO L130 BoogieDeclarations]: Found specification of procedure get_rdac_data [2021-11-23 17:30:18,454 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rdac_data [2021-11-23 17:30:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2021-11-23 17:30:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2021-11-23 17:30:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-23 17:30:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-23 17:30:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:30:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:30:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:30:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:30:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:30:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure send_mode_select [2021-11-23 17:30:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure send_mode_select [2021-11-23 17:30:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 17:30:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 17:30:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:30:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:30:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:30:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:30:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 17:30:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 17:30:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:30:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:30:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:30:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 17:30:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 17:30:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unregister_device_handler [2021-11-23 17:30:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unregister_device_handler [2021-11-23 17:30:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 17:30:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 17:30:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:30:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:30:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:30:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure submit_inquiry [2021-11-23 17:30:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_inquiry [2021-11-23 17:30:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure rdac_bus_detach [2021-11-23 17:30:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rdac_bus_detach [2021-11-23 17:30:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:30:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:30:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure rdac_match [2021-11-23 17:30:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure rdac_match [2021-11-23 17:30:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:30:18,464 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:30:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:30:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2021-11-23 17:30:18,464 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2021-11-23 17:30:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:30:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:30:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:30:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 17:30:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-11-23 17:30:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-11-23 17:30:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:30:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:30:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure check_ownership [2021-11-23 17:30:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ownership [2021-11-23 17:30:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-11-23 17:30:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-11-23 17:30:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:30:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:30:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure get_rdac_req [2021-11-23 17:30:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rdac_req [2021-11-23 17:30:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:30:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:30:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:30:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:30:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 17:30:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 17:30:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:30:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:30:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 17:30:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 17:30:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:30:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:30:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:30:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-23 17:30:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-23 17:30:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:30:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:30:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:30:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:30:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:30:19,021 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:30:19,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:30:19,316 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:30:19,321 INFO L158 Benchmark]: Toolchain (without parser) took 3567.94ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 49.1MB in the beginning and 105.5MB in the end (delta: -56.4MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2021-11-23 17:30:19,321 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:30:19,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2126.73ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 48.9MB in the beginning and 52.3MB in the end (delta: -3.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-23 17:30:19,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 284.27ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 52.3MB in the beginning and 113.1MB in the end (delta: -60.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 17:30:19,324 INFO L158 Benchmark]: Boogie Preprocessor took 170.58ms. Allocated memory is still 163.6MB. Free memory was 113.1MB in the beginning and 100.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:30:19,325 INFO L158 Benchmark]: RCFGBuilder took 979.41ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 105.5MB in the end (delta: -5.0MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-23 17:30:19,328 INFO L339 ainManager$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 90.2MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2126.73ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 48.9MB in the beginning and 52.3MB in the end (delta: -3.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 284.27ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 52.3MB in the beginning and 113.1MB in the end (delta: -60.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.58ms. Allocated memory is still 163.6MB. Free memory was 113.1MB in the beginning and 100.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 979.41ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 105.5MB in the end (delta: -5.0MB). Peak memory consumption was 36.9MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:30:19,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 230b725329634d718374ec3f6d82161758e5d9913588383fdc3e35a9fd1533f5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:30:22,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:30:22,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:30:22,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:30:22,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:30:22,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:30:22,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:30:22,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:30:22,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:30:22,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:30:22,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:30:22,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:30:22,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:30:22,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:30:22,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:30:22,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:30:22,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:30:22,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:30:22,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:30:22,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:30:22,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:30:22,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:30:22,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:30:22,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:30:22,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:30:22,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:30:22,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:30:22,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:30:22,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:30:22,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:30:22,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:30:22,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:30:22,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:30:22,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:30:22,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:30:22,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:30:22,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:30:22,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:30:22,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:30:22,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:30:22,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:30:22,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:30:22,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:30:22,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:30:22,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:30:22,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:30:22,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:30:22,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:30:22,323 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:30:22,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:30:22,324 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:30:22,324 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:30:22,325 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:30:22,326 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:30:22,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:30:22,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:30:22,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:30:22,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:30:22,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:30:22,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:30:22,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:30:22,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:30:22,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:30:22,331 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:30:22,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:30:22,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:30:22,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:30:22,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:30:22,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:30:22,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:30:22,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:30:22,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:30:22,334 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:30:22,334 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:30:22,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:30:22,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:30:22,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:30:22,336 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_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 230b725329634d718374ec3f6d82161758e5d9913588383fdc3e35a9fd1533f5 [2021-11-23 17:30:22,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:30:22,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:30:22,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:30:22,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:30:22,868 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:30:22,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i [2021-11-23 17:30:22,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/1019587fb/567f4e1dd38848eca2243e3a2e5f07a4/FLAG712857f75 [2021-11-23 17:30:23,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:30:23,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i [2021-11-23 17:30:23,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/1019587fb/567f4e1dd38848eca2243e3a2e5f07a4/FLAG712857f75 [2021-11-23 17:30:24,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/data/1019587fb/567f4e1dd38848eca2243e3a2e5f07a4 [2021-11-23 17:30:24,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:30:24,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:30:24,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:30:24,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:30:24,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:30:24,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:30:24" (1/1) ... [2021-11-23 17:30:24,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c339fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:24, skipping insertion in model container [2021-11-23 17:30:24,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:30:24" (1/1) ... [2021-11-23 17:30:24,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:30:24,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:30:25,811 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_a71e1293-576f-4b2f-9abb-76389a5936a8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i[164687,164700] [2021-11-23 17:30:25,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:30:25,893 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:30:25,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:30:26,246 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_a71e1293-576f-4b2f-9abb-76389a5936a8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i[164687,164700] [2021-11-23 17:30:26,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:30:26,267 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:30:26,620 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_a71e1293-576f-4b2f-9abb-76389a5936a8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--device_handler--scsi_dh_rdac.ko-entry_point.cil.out.i[164687,164700] [2021-11-23 17:30:26,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:30:26,717 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:30:26,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26 WrapperNode [2021-11-23 17:30:26,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:30:26,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:30:26,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:30:26,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:30:26,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:26,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:26,923 INFO L137 Inliner]: procedures = 161, calls = 851, calls flagged for inlining = 60, calls inlined = 58, statements flattened = 1977 [2021-11-23 17:30:26,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:30:26,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:30:26,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:30:26,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:30:26,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:26,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:26,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:26,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:27,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:27,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:27,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:27,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:30:27,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:30:27,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:30:27,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:30:27,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:26" (1/1) ... [2021-11-23 17:30:27,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:30:27,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:30:27,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:30:27,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:30:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:30:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 17:30:27,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 17:30:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 17:30:27,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:30:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:30:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:30:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:30:27,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:30:27,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:30:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 17:30:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 17:30:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:30:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:30:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:30:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:30:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure get_rdac_data [2021-11-23 17:30:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rdac_data [2021-11-23 17:30:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2021-11-23 17:30:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2021-11-23 17:30:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-23 17:30:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-23 17:30:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:30:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:30:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:30:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:30:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:30:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure send_mode_select [2021-11-23 17:30:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure send_mode_select [2021-11-23 17:30:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:30:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:30:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:30:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 17:30:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 17:30:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:30:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:30:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:30:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:30:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 17:30:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 17:30:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:30:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:30:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:30:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unregister_device_handler [2021-11-23 17:30:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unregister_device_handler [2021-11-23 17:30:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 17:30:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 17:30:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:30:27,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:30:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:30:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure submit_inquiry [2021-11-23 17:30:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_inquiry [2021-11-23 17:30:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure rdac_bus_detach [2021-11-23 17:30:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rdac_bus_detach [2021-11-23 17:30:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:30:27,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:30:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure rdac_match [2021-11-23 17:30:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rdac_match [2021-11-23 17:30:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:30:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:30:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:30:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-23 17:30:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-23 17:30:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:30:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:30:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2021-11-23 17:30:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq [2021-11-23 17:30:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:30:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:30:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 17:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-11-23 17:30:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-11-23 17:30:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:30:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:30:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure check_ownership [2021-11-23 17:30:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ownership [2021-11-23 17:30:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:30:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:30:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:30:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-11-23 17:30:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-11-23 17:30:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:30:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:30:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:30:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure get_rdac_req [2021-11-23 17:30:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rdac_req [2021-11-23 17:30:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:30:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:30:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:30:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:30:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:30:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:30:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:30:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 17:30:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 17:30:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:30:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:30:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 17:30:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 17:30:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 17:30:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 17:30:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:30:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-23 17:30:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-23 17:30:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:30:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:30:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 17:30:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 17:30:27,875 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:30:27,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:30:30,337 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:30:30,341 INFO L158 Benchmark]: Toolchain (without parser) took 5979.97ms. Allocated memory was 50.3MB in the beginning and 153.1MB in the end (delta: 102.8MB). Free memory was 29.2MB in the beginning and 63.9MB in the end (delta: -34.7MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2021-11-23 17:30:30,342 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 50.3MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:30:30,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2356.97ms. Allocated memory was 50.3MB in the beginning and 153.1MB in the end (delta: 102.8MB). Free memory was 29.0MB in the beginning and 90.6MB in the end (delta: -61.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-11-23 17:30:30,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.48ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 79.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:30:30,351 INFO L158 Benchmark]: Boogie Preprocessor took 308.81ms. Allocated memory is still 153.1MB. Free memory was 79.4MB in the beginning and 97.4MB in the end (delta: -18.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 17:30:30,353 INFO L158 Benchmark]: RCFGBuilder took 3104.78ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 63.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 17:30:30,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 50.3MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2356.97ms. Allocated memory was 50.3MB in the beginning and 153.1MB in the end (delta: 102.8MB). Free memory was 29.0MB in the beginning and 90.6MB in the end (delta: -61.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.48ms. Allocated memory is still 153.1MB. Free memory was 90.6MB in the beginning and 79.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 308.81ms. Allocated memory is still 153.1MB. Free memory was 79.4MB in the beginning and 97.4MB in the end (delta: -18.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3104.78ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 63.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. 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 17:30:30,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a71e1293-576f-4b2f-9abb-76389a5936a8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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