./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.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_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/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_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/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_90d5b83a-2f2f-4106-a974-13b18749d9eb/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 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:32,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:32,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:32,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:32,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:32,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:32,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:32,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:32,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:32,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:32,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:32,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:32,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:32,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:32,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:32,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:32,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:32,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:32,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:32,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:32,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:32,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:32,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:32,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:32,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:32,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:32,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:32,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:32,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:32,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:32,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:32,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:32,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:32,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:32,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:32,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:32,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:32,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:32,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:32,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:32,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:32,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:06:33,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:33,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:33,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:33,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:33,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:33,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:33,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:33,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:33,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:33,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:33,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:33,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:33,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:33,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:33,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:33,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:33,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:33,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:33,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:33,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:33,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:33,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:33,026 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:33,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:33,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:33,027 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_90d5b83a-2f2f-4106-a974-13b18749d9eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2021-11-23 15:06:33,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:33,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:33,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:33,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:33,341 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:33,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:06:33,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/df69b8c30/1dfc1694ff884a2cb6db2084d763a6b1/FLAG8c64ba8d4 [2021-11-23 15:06:34,229 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:34,229 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:06:34,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/df69b8c30/1dfc1694ff884a2cb6db2084d763a6b1/FLAG8c64ba8d4 [2021-11-23 15:06:34,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/df69b8c30/1dfc1694ff884a2cb6db2084d763a6b1 [2021-11-23 15:06:34,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:34,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:34,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:34,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:34,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:34,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3509cb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:34, skipping insertion in model container [2021-11-23 15:06:34,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:34" (1/1) ... [2021-11-23 15:06:34,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:34,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:35,580 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_90d5b83a-2f2f-4106-a974-13b18749d9eb/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-11-23 15:06:35,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:35,650 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:35,989 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_90d5b83a-2f2f-4106-a974-13b18749d9eb/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-11-23 15:06:35,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:36,047 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:36,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36 WrapperNode [2021-11-23 15:06:36,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:36,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:36,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:36,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:36,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,248 INFO L137 Inliner]: procedures = 142, calls = 521, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1657 [2021-11-23 15:06:36,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:36,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:36,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:36,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:36,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:36,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:36,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:36,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:36,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:36" (1/1) ... [2021-11-23 15:06:36,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:36,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:36,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:36,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2021-11-23 15:06:36,526 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2021-11-23 15:06:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2021-11-23 15:06:36,527 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2021-11-23 15:06:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:06:36,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:06:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:06:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:06:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:06:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2021-11-23 15:06:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2021-11-23 15:06:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 15:06:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 15:06:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:06:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:06:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-11-23 15:06:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-11-23 15:06:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2021-11-23 15:06:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2021-11-23 15:06:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:06:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:06:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:06:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:06:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:06:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:06:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:06:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2021-11-23 15:06:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2021-11-23 15:06:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:06:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:06:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:06:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:06:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:06:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:06:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:06:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:06:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2021-11-23 15:06:36,536 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2021-11-23 15:06:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:06:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:06:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2021-11-23 15:06:36,537 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2021-11-23 15:06:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-11-23 15:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-11-23 15:06:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:06:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:06:36,538 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:06:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:06:36,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:06:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:06:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-23 15:06:36,539 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-23 15:06:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2021-11-23 15:06:36,540 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2021-11-23 15:06:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:36,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:36,541 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:06:36,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:06:37,025 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:37,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:37,039 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:06:37,043 INFO L158 Benchmark]: Toolchain (without parser) took 2655.35ms. Allocated memory was 96.5MB in the beginning and 165.7MB in the end (delta: 69.2MB). Free memory was 61.5MB in the beginning and 110.1MB in the end (delta: -48.6MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:37,044 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:37,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1658.44ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.3MB in the beginning and 74.4MB in the end (delta: -13.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:37,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.19ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 64.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:37,046 INFO L158 Benchmark]: Boogie Preprocessor took 186.11ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 54.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:37,047 INFO L158 Benchmark]: RCFGBuilder took 604.98ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 54.1MB in the beginning and 110.1MB in the end (delta: -56.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:37,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1658.44ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.3MB in the beginning and 74.4MB in the end (delta: -13.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 200.19ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 64.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 186.11ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 54.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 604.98ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 54.1MB in the beginning and 110.1MB in the end (delta: -56.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:06:37,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/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_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/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_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/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_90d5b83a-2f2f-4106-a974-13b18749d9eb/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 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:39,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:39,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:39,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:39,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:39,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:39,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:39,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:39,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:39,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:39,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:39,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:39,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:39,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:39,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:39,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:39,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:39,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:39,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:39,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:39,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:39,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:39,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:39,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:39,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:39,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:39,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:39,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:39,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:39,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:39,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:39,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:39,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:39,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:39,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:39,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:39,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:39,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:39,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:39,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:39,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:39,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:06:39,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:39,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:39,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:39,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:39,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:39,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:39,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:39,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:39,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:39,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:39,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:39,774 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:39,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:39,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:39,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:39,778 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:39,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:39,778 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:39,778 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:39,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:39,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:39,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:39,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:39,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:39,780 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:39,781 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:39,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:39,781 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:39,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:39,782 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_90d5b83a-2f2f-4106-a974-13b18749d9eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2021-11-23 15:06:40,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:40,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:40,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:40,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:40,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:40,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:06:40,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/cb03b8b45/c2ca011a7eb5453fa1551ea71b7b1164/FLAGac0ce02a5 [2021-11-23 15:06:41,043 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:41,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-23 15:06:41,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/cb03b8b45/c2ca011a7eb5453fa1551ea71b7b1164/FLAGac0ce02a5 [2021-11-23 15:06:41,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/data/cb03b8b45/c2ca011a7eb5453fa1551ea71b7b1164 [2021-11-23 15:06:41,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:41,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:41,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:41,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:41,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:41,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:41" (1/1) ... [2021-11-23 15:06:41,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e801ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:41, skipping insertion in model container [2021-11-23 15:06:41,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:41" (1/1) ... [2021-11-23 15:06:41,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:41,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:42,434 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_90d5b83a-2f2f-4106-a974-13b18749d9eb/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-11-23 15:06:42,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:42,504 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:06:42,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:42,759 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_90d5b83a-2f2f-4106-a974-13b18749d9eb/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-11-23 15:06:42,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:42,782 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:43,150 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_90d5b83a-2f2f-4106-a974-13b18749d9eb/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-11-23 15:06:43,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:43,233 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:43,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43 WrapperNode [2021-11-23 15:06:43,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:43,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:43,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:43,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:43,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,469 INFO L137 Inliner]: procedures = 149, calls = 521, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1605 [2021-11-23 15:06:43,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:43,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:43,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:43,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:43,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:43,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:43,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:43,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:43,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:43" (1/1) ... [2021-11-23 15:06:43,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:43,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:43,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:43,738 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2021-11-23 15:06:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2021-11-23 15:06:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:06:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:06:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:06:43,739 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2021-11-23 15:06:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2021-11-23 15:06:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:06:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:06:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:06:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:06:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:06:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2021-11-23 15:06:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2021-11-23 15:06:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2021-11-23 15:06:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2021-11-23 15:06:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:06:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:06:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-11-23 15:06:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-11-23 15:06:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2021-11-23 15:06:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2021-11-23 15:06:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:06:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:06:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:06:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:06:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 15:06:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 15:06:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2021-11-23 15:06:43,744 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2021-11-23 15:06:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 15:06:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 15:06:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:06:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:06:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:06:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 15:06:43,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 15:06:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 15:06:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 15:06:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2021-11-23 15:06:43,747 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2021-11-23 15:06:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:06:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:06:43,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 15:06:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2021-11-23 15:06:43,749 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2021-11-23 15:06:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-11-23 15:06:43,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-11-23 15:06:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:06:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 15:06:43,750 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 15:06:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 15:06:43,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 15:06:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:06:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:06:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:06:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:06:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:06:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:06:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-23 15:06:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-23 15:06:43,754 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2021-11-23 15:06:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2021-11-23 15:06:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:43,755 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 15:06:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 15:06:44,289 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:44,293 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:44,310 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:06:44,316 INFO L158 Benchmark]: Toolchain (without parser) took 3143.50ms. Allocated memory was 54.5MB in the beginning and 107.0MB in the end (delta: 52.4MB). Free memory was 37.1MB in the beginning and 50.4MB in the end (delta: -13.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,318 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:44,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2061.49ms. Allocated memory was 54.5MB in the beginning and 107.0MB in the end (delta: 52.4MB). Free memory was 36.9MB in the beginning and 49.4MB in the end (delta: -12.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.06ms. Allocated memory is still 107.0MB. Free memory was 49.4MB in the beginning and 61.0MB in the end (delta: -11.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,325 INFO L158 Benchmark]: Boogie Preprocessor took 180.47ms. Allocated memory is still 107.0MB. Free memory was 61.0MB in the beginning and 50.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,326 INFO L158 Benchmark]: RCFGBuilder took 661.75ms. Allocated memory is still 107.0MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 153.1kB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2061.49ms. Allocated memory was 54.5MB in the beginning and 107.0MB in the end (delta: 52.4MB). Free memory was 36.9MB in the beginning and 49.4MB in the end (delta: -12.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.06ms. Allocated memory is still 107.0MB. Free memory was 49.4MB in the beginning and 61.0MB in the end (delta: -11.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.47ms. Allocated memory is still 107.0MB. Free memory was 61.0MB in the beginning and 50.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 661.75ms. Allocated memory is still 107.0MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 153.1kB). Peak memory consumption was 18.0MB. 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 15:06:44,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d5b83a-2f2f-4106-a974-13b18749d9eb/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