./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:26,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:26,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:26,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:26,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:26,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:26,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:26,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:26,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:26,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:26,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:26,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:26,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:26,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:26,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:26,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:26,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:26,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:26,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:26,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:26,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:26,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:26,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:26,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:26,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:26,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:26,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:26,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:26,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:26,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:26,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:26,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:26,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:26,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:26,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:26,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:26,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:26,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:26,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:26,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:26,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:26,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:39:26,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:26,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:26,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:26,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:26,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:26,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:26,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:26,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:26,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:26,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:26,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:26,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:26,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:26,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:26,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:26,246 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:26,246 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:26,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:26,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:26,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:26,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:26,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:26,248 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:26,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:26,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:26,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b [2021-11-23 15:39:26,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:26,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:26,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:26,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:26,693 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:26,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-11-23 15:39:26,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/f5c65d32f/3e5a35bce0434d569b345cd40fdd9e6a/FLAG4eacf7ff3 [2021-11-23 15:39:27,709 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:27,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-11-23 15:39:27,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/f5c65d32f/3e5a35bce0434d569b345cd40fdd9e6a/FLAG4eacf7ff3 [2021-11-23 15:39:28,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/f5c65d32f/3e5a35bce0434d569b345cd40fdd9e6a [2021-11-23 15:39:28,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:28,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:28,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:28,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:28,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:28,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:28" (1/1) ... [2021-11-23 15:39:28,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ce5d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:28, skipping insertion in model container [2021-11-23 15:39:28,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:28" (1/1) ... [2021-11-23 15:39:28,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:28,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:30,280 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_400be833-ddf2-4459-ac19-fa0e0c1e5e97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-11-23 15:39:30,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:30,356 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:30,624 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_400be833-ddf2-4459-ac19-fa0e0c1e5e97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-11-23 15:39:30,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:30,743 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:30,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30 WrapperNode [2021-11-23 15:39:30,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:30,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:30,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:30,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:30,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:30,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,006 INFO L137 Inliner]: procedures = 244, calls = 1516, calls flagged for inlining = 92, calls inlined = 80, statements flattened = 2942 [2021-11-23 15:39:31,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:31,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:31,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:31,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:31,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:31,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:31,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:31,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:31,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:31,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:31,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:31,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:31,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 15:39:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 15:39:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2021-11-23 15:39:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2021-11-23 15:39:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 15:39:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:39:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-23 15:39:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 15:39:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 15:39:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2021-11-23 15:39:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2021-11-23 15:39:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:39:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:39:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:39:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:39:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:39:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:39:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2021-11-23 15:39:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2021-11-23 15:39:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2021-11-23 15:39:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2021-11-23 15:39:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:39:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:39:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:39:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:39:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2021-11-23 15:39:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2021-11-23 15:39:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2021-11-23 15:39:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2021-11-23 15:39:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:39:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:39:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2021-11-23 15:39:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2021-11-23 15:39:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2021-11-23 15:39:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2021-11-23 15:39:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2021-11-23 15:39:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2021-11-23 15:39:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:39:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:39:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:39:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:39:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2021-11-23 15:39:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2021-11-23 15:39:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-11-23 15:39:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-11-23 15:39:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2021-11-23 15:39:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2021-11-23 15:39:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 15:39:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 15:39:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2021-11-23 15:39:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2021-11-23 15:39:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:39:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2021-11-23 15:39:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2021-11-23 15:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2021-11-23 15:39:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2021-11-23 15:39:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2021-11-23 15:39:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2021-11-23 15:39:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2021-11-23 15:39:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2021-11-23 15:39:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:39:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:39:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2021-11-23 15:39:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2021-11-23 15:39:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-23 15:39:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-23 15:39:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:39:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2021-11-23 15:39:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2021-11-23 15:39:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 15:39:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:39:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:39:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-23 15:39:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-23 15:39:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 15:39:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 15:39:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-23 15:39:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-23 15:39:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:39:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2021-11-23 15:39:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2021-11-23 15:39:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2021-11-23 15:39:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2021-11-23 15:39:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 15:39:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 15:39:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:39:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:39:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-23 15:39:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-23 15:39:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 15:39:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 15:39:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:39:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:39:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:39:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:39:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:39:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2021-11-23 15:39:31,442 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2021-11-23 15:39:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-23 15:39:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-23 15:39:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 15:39:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 15:39:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:39:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2021-11-23 15:39:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2021-11-23 15:39:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 15:39:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 15:39:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2021-11-23 15:39:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2021-11-23 15:39:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:39:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2021-11-23 15:39:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2021-11-23 15:39:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2021-11-23 15:39:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2021-11-23 15:39:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:39:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:39:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2021-11-23 15:39:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2021-11-23 15:39:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2021-11-23 15:39:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2021-11-23 15:39:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-23 15:39:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-23 15:39:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:39:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2021-11-23 15:39:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2021-11-23 15:39:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 15:39:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 15:39:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:39:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:39:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-23 15:39:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-23 15:39:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:39:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:39:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-23 15:39:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-23 15:39:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:39:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:39:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:39:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2021-11-23 15:39:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2021-11-23 15:39:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-23 15:39:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-23 15:39:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:39:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:39:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:39:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:39:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:39:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2021-11-23 15:39:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2021-11-23 15:39:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-23 15:39:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-23 15:39:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2021-11-23 15:39:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2021-11-23 15:39:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2021-11-23 15:39:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2021-11-23 15:39:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2021-11-23 15:39:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2021-11-23 15:39:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 15:39:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 15:39:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:39:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:39:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:39:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:39:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2021-11-23 15:39:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2021-11-23 15:39:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 15:39:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 15:39:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-23 15:39:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-23 15:39:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2021-11-23 15:39:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2021-11-23 15:39:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:39:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 15:39:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 15:39:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 15:39:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:39:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:39:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2021-11-23 15:39:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2021-11-23 15:39:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2021-11-23 15:39:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2021-11-23 15:39:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2021-11-23 15:39:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2021-11-23 15:39:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2021-11-23 15:39:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2021-11-23 15:39:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:39:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:39:32,163 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:32,167 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:32,417 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:39:32,421 INFO L158 Benchmark]: Toolchain (without parser) took 4247.74ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 67.8MB in the beginning and 84.4MB in the end (delta: -16.6MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:32,422 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:32,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2565.49ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 67.8MB in the beginning and 60.3MB in the end (delta: 7.5MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:32,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 263.63ms. Allocated memory is still 121.6MB. Free memory was 60.3MB in the beginning and 42.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:39:32,429 INFO L158 Benchmark]: Boogie Preprocessor took 308.21ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 42.1MB in the beginning and 89.8MB in the end (delta: -47.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:39:32,435 INFO L158 Benchmark]: RCFGBuilder took 1100.90ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 84.4MB in the end (delta: 5.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-11-23 15:39:32,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2565.49ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 67.8MB in the beginning and 60.3MB in the end (delta: 7.5MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 263.63ms. Allocated memory is still 121.6MB. Free memory was 60.3MB in the beginning and 42.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 308.21ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 42.1MB in the beginning and 89.8MB in the end (delta: -47.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.90ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 84.4MB in the end (delta: 5.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:39:32,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:35,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:35,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:35,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:35,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:35,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:35,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:35,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:35,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:35,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:35,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:35,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:35,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:35,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:35,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:35,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:35,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:35,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:35,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:35,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:35,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:35,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:35,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:35,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:35,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:35,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:35,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:35,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:35,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:35,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:35,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:35,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:35,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:35,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:35,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:35,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:35,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:35,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:35,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:35,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:35,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:35,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:39:35,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:35,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:35,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:35,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:35,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:35,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:35,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:35,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:35,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:35,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:35,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:35,355 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:35,355 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:35,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:35,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:35,356 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:35,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:35,356 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:35,357 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:35,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:35,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:35,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:35,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:35,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:35,358 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:35,358 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:35,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:35,359 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:35,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:35,359 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_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b [2021-11-23 15:39:35,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:35,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:35,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:35,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:35,832 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:35,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-11-23 15:39:35,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/4330d9192/759702652c5f464b8cd4b198f03df111/FLAG093feff28 [2021-11-23 15:39:36,982 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:36,983 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-11-23 15:39:37,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/4330d9192/759702652c5f464b8cd4b198f03df111/FLAG093feff28 [2021-11-23 15:39:37,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/data/4330d9192/759702652c5f464b8cd4b198f03df111 [2021-11-23 15:39:37,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:37,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:37,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:37,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:37,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:37,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:37" (1/1) ... [2021-11-23 15:39:37,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1416fddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:37, skipping insertion in model container [2021-11-23 15:39:37,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:37" (1/1) ... [2021-11-23 15:39:37,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:37,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:39,378 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_400be833-ddf2-4459-ac19-fa0e0c1e5e97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-11-23 15:39:39,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:39,531 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:39:39,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:39,946 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_400be833-ddf2-4459-ac19-fa0e0c1e5e97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-11-23 15:39:39,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:40,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:40,410 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_400be833-ddf2-4459-ac19-fa0e0c1e5e97/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-11-23 15:39:40,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:40,536 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:40,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40 WrapperNode [2021-11-23 15:39:40,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:40,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:40,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:40,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:40,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,840 INFO L137 Inliner]: procedures = 258, calls = 1516, calls flagged for inlining = 92, calls inlined = 80, statements flattened = 2832 [2021-11-23 15:39:40,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:40,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:40,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:40,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:40,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:41,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:41,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:41,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:41,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:41,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:41,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:41,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:41,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:41,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:41,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:41,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:41,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:41,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 15:39:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 15:39:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:39:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2021-11-23 15:39:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2021-11-23 15:39:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 15:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-23 15:39:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-23 15:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2021-11-23 15:39:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2021-11-23 15:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:39:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2021-11-23 15:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2021-11-23 15:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2021-11-23 15:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2021-11-23 15:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 15:39:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 15:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:39:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2021-11-23 15:39:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2021-11-23 15:39:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2021-11-23 15:39:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2021-11-23 15:39:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:39:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:39:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2021-11-23 15:39:41,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2021-11-23 15:39:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2021-11-23 15:39:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2021-11-23 15:39:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2021-11-23 15:39:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2021-11-23 15:39:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 15:39:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 15:39:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:39:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:39:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2021-11-23 15:39:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2021-11-23 15:39:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-11-23 15:39:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-11-23 15:39:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2021-11-23 15:39:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2021-11-23 15:39:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 15:39:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 15:39:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2021-11-23 15:39:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2021-11-23 15:39:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:39:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:39:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2021-11-23 15:39:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2021-11-23 15:39:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2021-11-23 15:39:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2021-11-23 15:39:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2021-11-23 15:39:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2021-11-23 15:39:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2021-11-23 15:39:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2021-11-23 15:39:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:39:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 15:39:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 15:39:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2021-11-23 15:39:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2021-11-23 15:39:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-11-23 15:39:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-11-23 15:39:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:39:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2021-11-23 15:39:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2021-11-23 15:39:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 15:39:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:39:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:39:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-23 15:39:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-23 15:39:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:39:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:39:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:39:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-23 15:39:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-23 15:39:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:39:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:39:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:39:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2021-11-23 15:39:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2021-11-23 15:39:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2021-11-23 15:39:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2021-11-23 15:39:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:39:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:39:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 15:39:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 15:39:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 15:39:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 15:39:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-23 15:39:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-23 15:39:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 15:39:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 15:39:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:39:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:39:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 15:39:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 15:39:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2021-11-23 15:39:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2021-11-23 15:39:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-23 15:39:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-23 15:39:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 15:39:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 15:39:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2021-11-23 15:39:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2021-11-23 15:39:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-23 15:39:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-23 15:39:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_LONG [2021-11-23 15:39:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_LONG [2021-11-23 15:39:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2021-11-23 15:39:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2021-11-23 15:39:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2021-11-23 15:39:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2021-11-23 15:39:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2021-11-23 15:39:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2021-11-23 15:39:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:39:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:39:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2021-11-23 15:39:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2021-11-23 15:39:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-23 15:39:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-23 15:39:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2021-11-23 15:39:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2021-11-23 15:39:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-23 15:39:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-23 15:39:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:39:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:39:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2021-11-23 15:39:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2021-11-23 15:39:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:39:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:39:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:39:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 15:39:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-23 15:39:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-23 15:39:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:39:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:39:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-23 15:39:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-23 15:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:39:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-23 15:39:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-23 15:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:39:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:39:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:39:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2021-11-23 15:39:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2021-11-23 15:39:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-11-23 15:39:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-11-23 15:39:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 15:39:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 15:39:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:39:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:39:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:39:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:39:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:39:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:39:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2021-11-23 15:39:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2021-11-23 15:39:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-23 15:39:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-23 15:39:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2021-11-23 15:39:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2021-11-23 15:39:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2021-11-23 15:39:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2021-11-23 15:39:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2021-11-23 15:39:41,262 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2021-11-23 15:39:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 15:39:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 15:39:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:39:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:39:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:39:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:39:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2021-11-23 15:39:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2021-11-23 15:39:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 15:39:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 15:39:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-23 15:39:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-23 15:39:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2021-11-23 15:39:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2021-11-23 15:39:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 15:39:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 15:39:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:39:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:39:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 15:39:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2021-11-23 15:39:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2021-11-23 15:39:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2021-11-23 15:39:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2021-11-23 15:39:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2021-11-23 15:39:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2021-11-23 15:39:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2021-11-23 15:39:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2021-11-23 15:39:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:39:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:39:42,043 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:42,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:42,299 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:39:42,306 INFO L158 Benchmark]: Toolchain (without parser) took 4981.03ms. Allocated memory was 60.8MB in the beginning and 272.6MB in the end (delta: 211.8MB). Free memory was 29.6MB in the beginning and 192.7MB in the end (delta: -163.1MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:42,307 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:42,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3210.75ms. Allocated memory was 60.8MB in the beginning and 136.3MB in the end (delta: 75.5MB). Free memory was 29.4MB in the beginning and 55.7MB in the end (delta: -26.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2021-11-23 15:39:42,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 301.93ms. Allocated memory is still 136.3MB. Free memory was 55.7MB in the beginning and 74.3MB in the end (delta: -18.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 15:39:42,312 INFO L158 Benchmark]: Boogie Preprocessor took 289.31ms. Allocated memory is still 136.3MB. Free memory was 74.3MB in the beginning and 73.0MB in the end (delta: 1.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:39:42,313 INFO L158 Benchmark]: RCFGBuilder took 1172.63ms. Allocated memory was 136.3MB in the beginning and 272.6MB in the end (delta: 136.3MB). Free memory was 73.0MB in the beginning and 192.7MB in the end (delta: -119.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-11-23 15:39:42,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3210.75ms. Allocated memory was 60.8MB in the beginning and 136.3MB in the end (delta: 75.5MB). Free memory was 29.4MB in the beginning and 55.7MB in the end (delta: -26.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 301.93ms. Allocated memory is still 136.3MB. Free memory was 55.7MB in the beginning and 74.3MB in the end (delta: -18.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 289.31ms. Allocated memory is still 136.3MB. Free memory was 74.3MB in the beginning and 73.0MB in the end (delta: 1.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1172.63ms. Allocated memory was 136.3MB in the beginning and 272.6MB in the end (delta: 136.3MB). Free memory was 73.0MB in the beginning and 192.7MB in the end (delta: -119.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:39:42,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_400be833-ddf2-4459-ac19-fa0e0c1e5e97/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable