./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--md--md-cluster.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_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/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_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/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_18187b40-3efc-4542-ab94-efb8dde6768a/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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:54,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:54,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:54,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:54,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:54,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:54,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:54,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:54,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:54,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:54,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:54,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:54,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:54,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:54,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:54,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:54,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:54,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:54,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:54,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:54,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:54,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:54,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:54,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:54,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:54,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:54,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:54,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:54,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:54,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:54,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:54,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:54,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:54,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:54,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:54,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:54,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:54,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:54,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:54,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:54,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:54,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:57:54,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:54,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:54,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:54,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:54,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:54,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:54,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:54,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:54,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:54,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:54,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:54,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:54,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:54,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:54,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:54,871 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:54,871 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:54,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:54,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:54,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:54,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:54,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:54,873 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:54,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:54,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:54,874 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_18187b40-3efc-4542-ab94-efb8dde6768a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2021-11-23 15:57:55,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:55,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:55,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:55,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:55,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:55,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-23 15:57:55,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/eb653b978/2cf2d13bb21b4397b9bfe36e8ca35b41/FLAG9663b3a10 [2021-11-23 15:57:56,120 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:56,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-23 15:57:56,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/eb653b978/2cf2d13bb21b4397b9bfe36e8ca35b41/FLAG9663b3a10 [2021-11-23 15:57:56,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/eb653b978/2cf2d13bb21b4397b9bfe36e8ca35b41 [2021-11-23 15:57:56,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:56,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:56,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:56,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:56,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:56,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d265f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56, skipping insertion in model container [2021-11-23 15:57:56,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:56,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:58,085 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_18187b40-3efc-4542-ab94-efb8dde6768a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-23 15:57:58,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:58,150 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:58,571 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_18187b40-3efc-4542-ab94-efb8dde6768a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-23 15:57:58,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:58,682 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:58,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58 WrapperNode [2021-11-23 15:57:58,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:58,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:58,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:58,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:58,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,896 INFO L137 Inliner]: procedures = 151, calls = 761, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1701 [2021-11-23 15:57:58,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:58,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:58,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:58,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:58,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:58,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:59,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:59,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:59,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:59,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:59,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:59,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:59,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:59,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:58" (1/1) ... [2021-11-23 15:57:59,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:59,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:59,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:59,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2021-11-23 15:57:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2021-11-23 15:57:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2021-11-23 15:57:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2021-11-23 15:57:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:57:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:57:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:57:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:57:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:57:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:57:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:57:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2021-11-23 15:57:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2021-11-23 15:57:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2021-11-23 15:57:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2021-11-23 15:57:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:57:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:57:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:57:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:57:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:57:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:57:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:57:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:57:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:57:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:57:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 15:57:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 15:57:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:57:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:57:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 15:57:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 15:57:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2021-11-23 15:57:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2021-11-23 15:57:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:57:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:57:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2021-11-23 15:57:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2021-11-23 15:57:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:57:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:57:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:57:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:57:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:57:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:57:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 15:57:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 15:57:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2021-11-23 15:57:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2021-11-23 15:57:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2021-11-23 15:57:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2021-11-23 15:57:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-23 15:57:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-23 15:57:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2021-11-23 15:57:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2021-11-23 15:57:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 15:57:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 15:57:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2021-11-23 15:57:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2021-11-23 15:57:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2021-11-23 15:57:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2021-11-23 15:57:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:57:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:57:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:57:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2021-11-23 15:57:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2021-11-23 15:57:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:57:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:57:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2021-11-23 15:57:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2021-11-23 15:57:59,255 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:57:59,255 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:57:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2021-11-23 15:57:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2021-11-23 15:57:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:57:59,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:59,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2021-11-23 15:57:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2021-11-23 15:57:59,257 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2021-11-23 15:57:59,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2021-11-23 15:57:59,811 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:59,814 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:59,977 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:59,982 INFO L158 Benchmark]: Toolchain (without parser) took 3354.30ms. Allocated memory was 121.6MB in the beginning and 234.9MB in the end (delta: 113.2MB). Free memory was 87.9MB in the beginning and 150.1MB in the end (delta: -62.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,983 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:59,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2054.46ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 87.6MB in the beginning and 70.2MB in the end (delta: 17.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.07ms. Allocated memory is still 157.3MB. Free memory was 70.2MB in the beginning and 59.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,986 INFO L158 Benchmark]: Boogie Preprocessor took 235.50ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 59.6MB in the beginning and 175.3MB in the end (delta: -115.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,986 INFO L158 Benchmark]: RCFGBuilder took 845.37ms. Allocated memory is still 234.9MB. Free memory was 175.3MB in the beginning and 150.1MB in the end (delta: 25.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:59,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2054.46ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 87.6MB in the beginning and 70.2MB in the end (delta: 17.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.07ms. Allocated memory is still 157.3MB. Free memory was 70.2MB in the beginning and 59.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 235.50ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 59.6MB in the beginning and 175.3MB in the end (delta: -115.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 845.37ms. Allocated memory is still 234.9MB. Free memory was 175.3MB in the beginning and 150.1MB in the end (delta: 25.2MB). Peak memory consumption was 27.3MB. 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 15:58:00,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/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_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/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_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/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_18187b40-3efc-4542-ab94-efb8dde6768a/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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:02,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:02,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:02,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:02,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:02,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:02,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:02,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:02,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:02,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:02,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:02,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:02,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:02,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:02,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:02,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:02,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:02,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:02,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:02,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:02,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:02,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:02,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:02,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:02,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:02,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:02,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:02,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:02,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:02,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:02,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:02,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:02,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:02,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:02,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:02,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:02,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:02,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:02,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:02,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:02,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:02,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:58:02,832 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:02,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:02,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:02,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:02,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:02,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:02,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:02,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:02,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:02,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:02,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:02,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:02,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:02,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:02,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:02,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:02,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:02,840 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:02,840 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:02,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:02,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:02,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:02,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:02,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:02,842 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:02,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:02,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:02,842 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:02,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:02,843 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_18187b40-3efc-4542-ab94-efb8dde6768a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2021-11-23 15:58:03,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:03,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:03,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:03,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:03,301 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:03,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-23 15:58:03,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/ba0d37e2c/35d09d9a20514c4fa9d9ee2a34d23fd9/FLAGbd8219c88 [2021-11-23 15:58:04,306 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:04,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-23 15:58:04,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/ba0d37e2c/35d09d9a20514c4fa9d9ee2a34d23fd9/FLAGbd8219c88 [2021-11-23 15:58:04,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/data/ba0d37e2c/35d09d9a20514c4fa9d9ee2a34d23fd9 [2021-11-23 15:58:04,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:04,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:04,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:04,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:04,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:04,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:04" (1/1) ... [2021-11-23 15:58:04,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284b31e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:04, skipping insertion in model container [2021-11-23 15:58:04,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:04" (1/1) ... [2021-11-23 15:58:04,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:04,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:06,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-23 15:58:06,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:06,342 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:58:06,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:06,677 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_18187b40-3efc-4542-ab94-efb8dde6768a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-23 15:58:06,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:06,713 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:07,146 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_18187b40-3efc-4542-ab94-efb8dde6768a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-23 15:58:07,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:07,267 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:07,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07 WrapperNode [2021-11-23 15:58:07,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:07,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:07,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:07,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:07,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,458 INFO L137 Inliner]: procedures = 159, calls = 761, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1637 [2021-11-23 15:58:07,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:07,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:07,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:07,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:07,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:07,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:07,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:07,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:07,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:07,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:07,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2021-11-23 15:58:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2021-11-23 15:58:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:58:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2021-11-23 15:58:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2021-11-23 15:58:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:58:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:58:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:58:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:58:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:58:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:58:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:58:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:58:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2021-11-23 15:58:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2021-11-23 15:58:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2021-11-23 15:58:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2021-11-23 15:58:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:58:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:58:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:58:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:58:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 15:58:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 15:58:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 15:58:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 15:58:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:58:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:58:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 15:58:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 15:58:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:58:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:58:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:58:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:58:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:58:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 15:58:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 15:58:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2021-11-23 15:58:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2021-11-23 15:58:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:58:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:58:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2021-11-23 15:58:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2021-11-23 15:58:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:58:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:58:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:58:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:58:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:58:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:58:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 15:58:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 15:58:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2021-11-23 15:58:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2021-11-23 15:58:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2021-11-23 15:58:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2021-11-23 15:58:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-23 15:58:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-23 15:58:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:58:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:58:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2021-11-23 15:58:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2021-11-23 15:58:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:58:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 15:58:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 15:58:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2021-11-23 15:58:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2021-11-23 15:58:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2021-11-23 15:58:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2021-11-23 15:58:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:58:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:58:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:58:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:07,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:58:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:58:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2021-11-23 15:58:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2021-11-23 15:58:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:58:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:58:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2021-11-23 15:58:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2021-11-23 15:58:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 15:58:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 15:58:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:58:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2021-11-23 15:58:07,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2021-11-23 15:58:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:07,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2021-11-23 15:58:07,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2021-11-23 15:58:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2021-11-23 15:58:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2021-11-23 15:58:08,322 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:08,327 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:18,645 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:18,649 INFO L158 Benchmark]: Toolchain (without parser) took 13843.03ms. Allocated memory was 60.8MB in the beginning and 182.5MB in the end (delta: 121.6MB). Free memory was 34.1MB in the beginning and 83.1MB in the end (delta: -49.0MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:18,650 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:18,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2461.87ms. Allocated memory was 60.8MB in the beginning and 132.1MB in the end (delta: 71.3MB). Free memory was 33.9MB in the beginning and 50.1MB in the end (delta: -16.2MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:18,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.70ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 50.1MB in the beginning and 124.0MB in the end (delta: -73.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:18,652 INFO L158 Benchmark]: Boogie Preprocessor took 195.10ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 113.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:18,653 INFO L158 Benchmark]: RCFGBuilder took 10992.20ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 83.1MB in the end (delta: 29.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:18,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2461.87ms. Allocated memory was 60.8MB in the beginning and 132.1MB in the end (delta: 71.3MB). Free memory was 33.9MB in the beginning and 50.1MB in the end (delta: -16.2MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.70ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 50.1MB in the beginning and 124.0MB in the end (delta: -73.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 195.10ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 113.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 10992.20ms. Allocated memory is still 182.5MB. Free memory was 112.3MB in the beginning and 83.1MB in the end (delta: 29.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:18,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18187b40-3efc-4542-ab94-efb8dde6768a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable