./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.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_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/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_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/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_e2018f09-cfa9-4279-904d-5689578ba53c/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 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:49,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:49,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:49,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:49,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:49,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:49,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:49,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:49,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:49,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:49,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:49,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:49,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:49,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:49,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:49,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:49,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:49,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:49,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:49,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:49,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:49,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:49,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:49,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:49,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:49,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:49,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:49,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:49,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:49,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:49,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:49,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:49,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:49,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:49,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:49,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:49,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:49,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:49,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:49,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:49,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:49,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:19:49,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:49,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:49,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:49,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:49,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:49,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:49,285 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:49,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:49,285 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:49,286 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:19:49,286 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:49,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:49,286 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:19:49,286 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:19:49,287 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:49,287 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:19:49,287 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:19:49,287 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:19:49,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:49,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:19:49,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:49,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:49,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:49,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:49,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:49,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:49,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:49,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:49,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:49,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:49,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:49,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:49,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:49,291 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:19:49,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:19:49,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:49,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:49,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:49,292 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_e2018f09-cfa9-4279-904d-5689578ba53c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2021-11-23 17:19:49,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:49,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:49,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:49,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:49,609 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:49,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-11-23 17:19:49,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/394aae33e/f3a84507f55548569ba4e672f623a958/FLAG59d7c1d34 [2021-11-23 17:19:50,519 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:50,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-11-23 17:19:50,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/394aae33e/f3a84507f55548569ba4e672f623a958/FLAG59d7c1d34 [2021-11-23 17:19:51,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/394aae33e/f3a84507f55548569ba4e672f623a958 [2021-11-23 17:19:51,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:51,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:51,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:51,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:51,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:51,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:51" (1/1) ... [2021-11-23 17:19:51,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15551158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:51, skipping insertion in model container [2021-11-23 17:19:51,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:51" (1/1) ... [2021-11-23 17:19:51,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:51,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:53,508 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_e2018f09-cfa9-4279-904d-5689578ba53c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-11-23 17:19:53,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:53,740 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:54,280 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_e2018f09-cfa9-4279-904d-5689578ba53c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-11-23 17:19:54,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:54,449 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:54,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54 WrapperNode [2021-11-23 17:19:54,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:54,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:54,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:54,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:54,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,762 INFO L137 Inliner]: procedures = 389, calls = 2919, calls flagged for inlining = 156, calls inlined = 64, statements flattened = 3287 [2021-11-23 17:19:54,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:54,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:54,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:54,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:54,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:54,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:55,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:55,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:55,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:55,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:55,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:54" (1/1) ... [2021-11-23 17:19:55,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:55,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:55,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2021-11-23 17:19:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2021-11-23 17:19:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 17:19:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 17:19:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:19:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:19:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-11-23 17:19:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-11-23 17:19:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2021-11-23 17:19:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2021-11-23 17:19:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 17:19:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 17:19:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2021-11-23 17:19:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2021-11-23 17:19:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2021-11-23 17:19:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2021-11-23 17:19:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:19:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:19:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:19:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:19:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-23 17:19:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-23 17:19:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-11-23 17:19:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-11-23 17:19:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 17:19:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 17:19:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-11-23 17:19:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-11-23 17:19:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:19:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:19:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:19:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2021-11-23 17:19:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2021-11-23 17:19:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:19:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:19:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:19:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:19:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-11-23 17:19:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-11-23 17:19:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:19:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-23 17:19:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-23 17:19:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:19:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 17:19:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 17:19:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:19:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:19:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:19:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2021-11-23 17:19:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2021-11-23 17:19:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 17:19:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 17:19:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 17:19:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 17:19:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 17:19:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 17:19:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:19:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2021-11-23 17:19:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2021-11-23 17:19:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:19:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:19:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-11-23 17:19:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-11-23 17:19:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:19:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:19:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:19:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:19:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-23 17:19:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-23 17:19:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 17:19:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 17:19:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 17:19:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 17:19:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-23 17:19:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-23 17:19:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2021-11-23 17:19:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2021-11-23 17:19:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:19:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:19:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-23 17:19:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-23 17:19:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 17:19:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 17:19:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 17:19:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:19:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:19:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2021-11-23 17:19:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2021-11-23 17:19:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:19:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:19:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:19:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:19:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:19:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:19:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-23 17:19:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-23 17:19:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:19:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:19:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:19:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:19:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:19:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-11-23 17:19:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-11-23 17:19:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:19:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:19:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2021-11-23 17:19:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2021-11-23 17:19:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 17:19:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 17:19:55,144 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2021-11-23 17:19:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2021-11-23 17:19:55,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 17:19:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 17:19:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-23 17:19:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-23 17:19:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2021-11-23 17:19:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2021-11-23 17:19:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-23 17:19:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-23 17:19:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 17:19:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 17:19:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-11-23 17:19:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-11-23 17:19:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 17:19:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 17:19:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2021-11-23 17:19:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2021-11-23 17:19:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:19:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:19:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:19:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:19:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:19:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2021-11-23 17:19:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2021-11-23 17:19:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2021-11-23 17:19:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2021-11-23 17:19:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-23 17:19:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-23 17:19:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 17:19:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 17:19:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2021-11-23 17:19:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2021-11-23 17:19:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 17:19:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 17:19:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-23 17:19:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-23 17:19:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 17:19:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 17:19:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:19:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:19:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:19:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:19:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2021-11-23 17:19:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2021-11-23 17:19:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-23 17:19:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-23 17:19:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 17:19:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 17:19:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:19:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-23 17:19:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-23 17:19:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 17:19:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 17:19:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 17:19:55,908 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:55,926 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:20:04,943 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:20:05,145 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:20:05,150 INFO L158 Benchmark]: Toolchain (without parser) took 14119.04ms. Allocated memory was 104.9MB in the beginning and 314.6MB in the end (delta: 209.7MB). Free memory was 76.0MB in the beginning and 119.3MB in the end (delta: -43.3MB). Peak memory consumption was 166.7MB. Max. memory is 16.1GB. [2021-11-23 17:20:05,151 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:20:05,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3417.53ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 75.6MB in the beginning and 53.2MB in the end (delta: 22.4MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2021-11-23 17:20:05,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 312.48ms. Allocated memory is still 151.0MB. Free memory was 53.2MB in the beginning and 70.6MB in the end (delta: -17.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 17:20:05,153 INFO L158 Benchmark]: Boogie Preprocessor took 253.29ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 70.6MB in the beginning and 149.8MB in the end (delta: -79.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2021-11-23 17:20:05,154 INFO L158 Benchmark]: RCFGBuilder took 10130.23ms. Allocated memory was 226.5MB in the beginning and 314.6MB in the end (delta: 88.1MB). Free memory was 149.8MB in the beginning and 119.3MB in the end (delta: 30.5MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. [2021-11-23 17:20:05,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3417.53ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 75.6MB in the beginning and 53.2MB in the end (delta: 22.4MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 312.48ms. Allocated memory is still 151.0MB. Free memory was 53.2MB in the beginning and 70.6MB in the end (delta: -17.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 253.29ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 70.6MB in the beginning and 149.8MB in the end (delta: -79.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * RCFGBuilder took 10130.23ms. Allocated memory was 226.5MB in the beginning and 314.6MB in the end (delta: 88.1MB). Free memory was 149.8MB in the beginning and 119.3MB in the end (delta: 30.5MB). Peak memory consumption was 117.9MB. 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 17:20:05,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/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_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/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_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/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_e2018f09-cfa9-4279-904d-5689578ba53c/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 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:20:07,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:20:07,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:20:07,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:20:07,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:20:07,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:20:07,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:20:07,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:20:07,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:20:07,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:20:07,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:20:07,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:20:07,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:20:07,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:20:07,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:20:07,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:20:07,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:20:07,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:20:07,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:20:08,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:20:08,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:20:08,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:20:08,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:20:08,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:20:08,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:20:08,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:20:08,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:20:08,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:20:08,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:20:08,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:20:08,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:20:08,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:20:08,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:20:08,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:20:08,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:20:08,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:20:08,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:20:08,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:20:08,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:20:08,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:20:08,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:20:08,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:20:08,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:20:08,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:20:08,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:20:08,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:20:08,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:20:08,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:20:08,070 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:20:08,071 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:20:08,071 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:20:08,071 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:20:08,071 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:20:08,072 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:20:08,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:20:08,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:20:08,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:20:08,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:20:08,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:20:08,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:20:08,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:20:08,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:20:08,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:20:08,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:20:08,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:20:08,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:20:08,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:20:08,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:20:08,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:08,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:20:08,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:20:08,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:20:08,078 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:20:08,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:20:08,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:20:08,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:20:08,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:20:08,079 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_e2018f09-cfa9-4279-904d-5689578ba53c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19525e6f83ed492183d9a21eaa90e9685989ff90c55473d8827091d7561f2601 [2021-11-23 17:20:08,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:20:08,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:20:08,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:20:08,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:20:08,549 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:20:08,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-11-23 17:20:08,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/1702bf712/a4268330ce9b49409e2c372cf51c9120/FLAG5a274b3e3 [2021-11-23 17:20:09,760 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:20:09,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-11-23 17:20:09,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/1702bf712/a4268330ce9b49409e2c372cf51c9120/FLAG5a274b3e3 [2021-11-23 17:20:10,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/data/1702bf712/a4268330ce9b49409e2c372cf51c9120 [2021-11-23 17:20:10,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:20:10,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:20:10,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:10,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:20:10,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:20:10,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:10" (1/1) ... [2021-11-23 17:20:10,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a636126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:10, skipping insertion in model container [2021-11-23 17:20:10,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:10" (1/1) ... [2021-11-23 17:20:10,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:20:10,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:20:12,971 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_e2018f09-cfa9-4279-904d-5689578ba53c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-11-23 17:20:13,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:13,276 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:20:13,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:20:13,861 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_e2018f09-cfa9-4279-904d-5689578ba53c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-11-23 17:20:13,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:13,900 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:20:14,552 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_e2018f09-cfa9-4279-904d-5689578ba53c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2021-11-23 17:20:14,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:14,739 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:20:14,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14 WrapperNode [2021-11-23 17:20:14,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:14,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:14,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:20:14,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:20:14,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:14,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,044 INFO L137 Inliner]: procedures = 403, calls = 2917, calls flagged for inlining = 154, calls inlined = 64, statements flattened = 3197 [2021-11-23 17:20:15,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:15,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:20:15,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:20:15,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:20:15,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:20:15,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:20:15,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:20:15,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:20:15,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (1/1) ... [2021-11-23 17:20:15,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:15,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:20:15,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:20:15,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:20:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2021-11-23 17:20:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2021-11-23 17:20:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 17:20:15,401 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 17:20:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:20:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:20:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-11-23 17:20:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-11-23 17:20:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2021-11-23 17:20:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2021-11-23 17:20:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2021-11-23 17:20:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2021-11-23 17:20:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2021-11-23 17:20:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2021-11-23 17:20:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 17:20:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 17:20:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:20:15,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:20:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-23 17:20:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-23 17:20:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-11-23 17:20:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-11-23 17:20:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 17:20:15,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 17:20:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-11-23 17:20:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-11-23 17:20:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:20:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:20:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-23 17:20:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:20:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:20:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:20:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2021-11-23 17:20:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2021-11-23 17:20:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 17:20:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 17:20:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:20:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:20:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-11-23 17:20:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-11-23 17:20:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-23 17:20:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-23 17:20:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 17:20:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 17:20:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:20:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:20:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2021-11-23 17:20:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2021-11-23 17:20:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 17:20:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 17:20:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 17:20:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 17:20:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 17:20:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 17:20:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:20:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2021-11-23 17:20:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2021-11-23 17:20:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 17:20:15,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 17:20:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:20:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-11-23 17:20:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-11-23 17:20:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:20:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:20:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:20:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:20:15,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:20:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 17:20:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:20:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-23 17:20:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-23 17:20:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 17:20:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 17:20:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 17:20:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 17:20:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-23 17:20:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-23 17:20:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2021-11-23 17:20:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2021-11-23 17:20:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 17:20:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 17:20:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-23 17:20:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-23 17:20:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:20:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:20:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:20:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:20:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 17:20:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 17:20:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 17:20:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:20:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:20:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:20:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:20:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:20:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2021-11-23 17:20:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2021-11-23 17:20:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:20:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:20:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 17:20:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 17:20:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-23 17:20:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-23 17:20:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:20:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:20:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-23 17:20:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-23 17:20:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 17:20:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 17:20:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:20:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 17:20:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 17:20:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-11-23 17:20:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-11-23 17:20:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:20:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:20:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:20:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:20:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:20:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:20:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2021-11-23 17:20:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2021-11-23 17:20:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 17:20:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 17:20:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2021-11-23 17:20:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2021-11-23 17:20:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 17:20:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 17:20:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-23 17:20:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-23 17:20:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2021-11-23 17:20:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2021-11-23 17:20:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-23 17:20:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-23 17:20:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-23 17:20:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-23 17:20:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-11-23 17:20:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-11-23 17:20:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2021-11-23 17:20:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2021-11-23 17:20:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:20:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:20:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:20:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:20:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:20:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:20:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 17:20:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 17:20:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2021-11-23 17:20:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2021-11-23 17:20:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2021-11-23 17:20:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2021-11-23 17:20:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-23 17:20:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-23 17:20:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 17:20:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 17:20:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2021-11-23 17:20:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2021-11-23 17:20:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 17:20:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 17:20:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-23 17:20:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-23 17:20:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-23 17:20:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-23 17:20:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 17:20:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 17:20:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:20:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:20:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:20:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:20:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2021-11-23 17:20:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2021-11-23 17:20:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-23 17:20:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-23 17:20:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 17:20:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 17:20:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-23 17:20:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-23 17:20:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 17:20:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 17:20:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 17:20:16,154 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:20:16,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:21:06,896 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:21:06,945 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:21:06,945 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:21:06,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:06 BoogieIcfgContainer [2021-11-23 17:21:06,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:21:06,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:21:06,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:21:06,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:21:06,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:20:10" (1/3) ... [2021-11-23 17:21:06,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd4aaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:06, skipping insertion in model container [2021-11-23 17:21:06,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:14" (2/3) ... [2021-11-23 17:21:06,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd4aaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:21:06, skipping insertion in model container [2021-11-23 17:21:06,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:06" (3/3) ... [2021-11-23 17:21:06,962 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2021-11-23 17:21:06,968 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:21:06,968 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:21:07,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:21:07,064 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:21:07,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:21:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 1221 states, 841 states have (on average 1.3626634958382877) internal successors, (1146), 891 states have internal predecessors, (1146), 304 states have call successors, (304), 74 states have call predecessors, (304), 74 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) [2021-11-23 17:21:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 17:21:07,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:21:07,127 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:21:07,127 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:21:07,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:21:07,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1548410224, now seen corresponding path program 1 times [2021-11-23 17:21:07,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:21:07,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498112465] [2021-11-23 17:21:07,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:21:07,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:21:07,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:21:07,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:21:07,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:21:07,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:21:07,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:21:07,746 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction 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.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 17:21:07,750 INFO L158 Benchmark]: Toolchain (without parser) took 57672.51ms. Allocated memory was 50.3MB in the beginning and 272.6MB in the end (delta: 222.3MB). Free memory was 25.1MB in the beginning and 136.6MB in the end (delta: -111.5MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2021-11-23 17:21:07,751 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 31.6MB in the beginning and 31.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:21:07,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4661.32ms. Allocated memory was 50.3MB in the beginning and 161.5MB in the end (delta: 111.1MB). Free memory was 24.8MB in the beginning and 61.5MB in the end (delta: -36.7MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2021-11-23 17:21:07,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 303.39ms. Allocated memory was 161.5MB in the beginning and 272.6MB in the end (delta: 111.1MB). Free memory was 61.5MB in the beginning and 200.1MB in the end (delta: -138.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 17:21:07,753 INFO L158 Benchmark]: Boogie Preprocessor took 270.80ms. Allocated memory is still 272.6MB. Free memory was 200.1MB in the beginning and 173.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 17:21:07,754 INFO L158 Benchmark]: RCFGBuilder took 51634.76ms. Allocated memory is still 272.6MB. Free memory was 173.8MB in the beginning and 171.2MB in the end (delta: 2.6MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2021-11-23 17:21:07,755 INFO L158 Benchmark]: TraceAbstraction took 793.61ms. Allocated memory is still 272.6MB. Free memory was 170.2MB in the beginning and 136.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 17:21:07,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 31.6MB in the beginning and 31.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4661.32ms. Allocated memory was 50.3MB in the beginning and 161.5MB in the end (delta: 111.1MB). Free memory was 24.8MB in the beginning and 61.5MB in the end (delta: -36.7MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 303.39ms. Allocated memory was 161.5MB in the beginning and 272.6MB in the end (delta: 111.1MB). Free memory was 61.5MB in the beginning and 200.1MB in the end (delta: -138.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 270.80ms. Allocated memory is still 272.6MB. Free memory was 200.1MB in the beginning and 173.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 51634.76ms. Allocated memory is still 272.6MB. Free memory was 173.8MB in the beginning and 171.2MB in the end (delta: 2.6MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * TraceAbstraction took 793.61ms. Allocated memory is still 272.6MB. Free memory was 170.2MB in the beginning and 136.6MB 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.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 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 17:21:07,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2018f09-cfa9-4279-904d-5689578ba53c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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