./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:38,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:38,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-11-12 01:00:38,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:38,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:38,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:38,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:38,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:38,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:38,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:38,571 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:38,572 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:38,572 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:38,574 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:00:38,575 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:38,575 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:38,576 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:00:38,576 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:00:38,576 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:38,577 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:00:38,577 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:00:38,578 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:00:38,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 01:00:38,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 01:00:38,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:38,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:38,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:38,582 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 01:00:38,582 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 01:00:38,583 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 01:00:38,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:38,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:00:38,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:00:38,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:38,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:38,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:38,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:38,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:38,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:38,587 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:00:38,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:00:38,588 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:38,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:38,588 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf [2023-11-12 01:00:38,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:38,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:38,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:38,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:38,928 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:38,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2023-11-12 01:00:42,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:42,810 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:42,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2023-11-12 01:00:42,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data/d61d153d7/3f35b103ab7044c0b9abe0df296de2d7/FLAG0733912c4 [2023-11-12 01:00:42,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data/d61d153d7/3f35b103ab7044c0b9abe0df296de2d7 [2023-11-12 01:00:42,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:42,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:42,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:42,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:42,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:42,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fcc10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42, skipping insertion in model container [2023-11-12 01:00:42,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:43,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:44,854 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 01:00:45,148 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 01:00:45,150 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 01:00:45,156 WARN L577 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-12 01:00:45,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:45,425 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-12 01:00:45,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46ee44b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:45, skipping insertion in model container [2023-11-12 01:00:45,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:45,431 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 01:00:45,435 INFO L158 Benchmark]: Toolchain (without parser) took 2541.80ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 53.8MB in the beginning and 80.2MB in the end (delta: -26.4MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-11-12 01:00:45,436 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:45,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2537.06ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 53.8MB in the beginning and 80.2MB in the end (delta: -26.4MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-11-12 01:00:45,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2537.06ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 53.8MB in the beginning and 80.2MB in the end (delta: -26.4MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4107]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:48,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:48,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-11-12 01:00:48,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:48,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:48,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:48,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:48,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:48,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:48,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:48,260 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:48,261 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:48,261 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:48,263 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:48,264 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:48,264 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:48,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 01:00:48,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 01:00:48,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:48,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:48,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:48,269 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 01:00:48,270 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 01:00:48,270 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 01:00:48,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:48,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:00:48,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:00:48,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:00:48,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:00:48,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:48,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:48,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:00:48,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:48,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:48,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:48,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:48,278 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:00:48,279 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:00:48,279 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:48,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:48,280 INFO L153 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_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b45d894549c3d959709f16d175c155effcb8f4008755bf9537dca57ce5b6aecf [2023-11-12 01:00:48,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:48,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:48,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:48,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:48,787 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:48,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2023-11-12 01:00:52,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:52,757 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:52,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2023-11-12 01:00:52,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data/a16cc2695/95d01ebe772b402e8dccf3a9a72573ae/FLAGde05bbdce [2023-11-12 01:00:52,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/data/a16cc2695/95d01ebe772b402e8dccf3a9a72573ae [2023-11-12 01:00:52,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:52,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:52,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:52,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:52,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:52,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:52" (1/1) ... [2023-11-12 01:00:52,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79516ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:52, skipping insertion in model container [2023-11-12 01:00:52,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:52" (1/1) ... [2023-11-12 01:00:53,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:55,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:55,125 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 01:00:55,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:55,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:55,633 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:55,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4116] [2023-11-12 01:00:55,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4118] [2023-11-12 01:00:55,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4128] [2023-11-12 01:00:55,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4135] [2023-11-12 01:00:55,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [4143] [2023-11-12 01:00:55,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4222] [2023-11-12 01:00:55,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4225] [2023-11-12 01:00:55,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4228] [2023-11-12 01:00:55,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4231] [2023-11-12 01:00:55,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4265] [2023-11-12 01:00:55,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4276-4277] [2023-11-12 01:00:55,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4280-4281] [2023-11-12 01:00:55,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4284-4285] [2023-11-12 01:00:55,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4288-4289] [2023-11-12 01:00:55,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4315] [2023-11-12 01:00:55,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4318] [2023-11-12 01:00:55,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [4320] [2023-11-12 01:00:55,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4325] [2023-11-12 01:00:55,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4328] [2023-11-12 01:00:55,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [4330] [2023-11-12 01:00:55,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4335] [2023-11-12 01:00:55,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4338] [2023-11-12 01:00:55,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [4340] [2023-11-12 01:00:55,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4345] [2023-11-12 01:00:55,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4348] [2023-11-12 01:00:55,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [4350] [2023-11-12 01:00:55,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [4368] [2023-11-12 01:00:55,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [4371] [2023-11-12 01:00:55,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [4373] [2023-11-12 01:00:55,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [4378] [2023-11-12 01:00:55,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [4381] [2023-11-12 01:00:55,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4383] [2023-11-12 01:00:55,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [4388] [2023-11-12 01:00:55,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [4391] [2023-11-12 01:00:55,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [4393] [2023-11-12 01:00:55,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [4398] [2023-11-12 01:00:55,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [4401] [2023-11-12 01:00:55,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [4403] [2023-11-12 01:00:55,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4893] [2023-11-12 01:00:55,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4900] [2023-11-12 01:00:55,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4910] [2023-11-12 01:00:55,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4920] [2023-11-12 01:00:56,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:56,380 WARN L672 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:56,381 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:56,381 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:56,389 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:56,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56 WrapperNode [2023-11-12 01:00:56,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:56,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:56,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:56,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:56,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:56,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:56,793 INFO L138 Inliner]: procedures = 327, calls = 2061, calls flagged for inlining = 164, calls inlined = 162, statements flattened = 5490 [2023-11-12 01:00:56,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:56,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:56,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:56,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:56,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:56,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:56,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:56,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:57,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:57,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:57,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:57,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:57,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:57,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:57,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:57,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:57,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (1/1) ... [2023-11-12 01:00:57,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:57,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:57,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:57,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-12 01:00:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2023-11-12 01:00:57,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2023-11-12 01:00:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-12 01:00:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure loop_add [2023-11-12 01:00:57,364 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_add [2023-11-12 01:00:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 01:00:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:00:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-12 01:00:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:00:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:00:57,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:00:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_bvec [2023-11-12 01:00:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_iter_bvec [2023-11-12 01:00:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:00:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:00:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-12 01:00:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-12 01:00:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure loop_control_ioctl [2023-11-12 01:00:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_control_ioctl [2023-11-12 01:00:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 01:00:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 01:00:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 01:00:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 01:00:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:00:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:00:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2023-11-12 01:00:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2023-11-12 01:00:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 01:00:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 01:00:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure loop_remove [2023-11-12 01:00:57,371 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_remove [2023-11-12 01:00:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2023-11-12 01:00:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2023-11-12 01:00:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 01:00:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 01:00:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 01:00:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 01:00:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2023-11-12 01:00:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2023-11-12 01:00:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2023-11-12 01:00:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2023-11-12 01:00:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2023-11-12 01:00:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2023-11-12 01:00:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-12 01:00:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-12 01:00:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure lo_compat_ioctl [2023-11-12 01:00:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_compat_ioctl [2023-11-12 01:00:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-12 01:00:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-12 01:00:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 01:00:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 01:00:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:00:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:00:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:00:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:00:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2023-11-12 01:00:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2023-11-12 01:00:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2023-11-12 01:00:57,377 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2023-11-12 01:00:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure loop_handle_cmd [2023-11-12 01:00:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_handle_cmd [2023-11-12 01:00:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2023-11-12 01:00:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2023-11-12 01:00:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 01:00:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 01:00:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 01:00:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2023-11-12 01:00:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2023-11-12 01:00:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure get_size [2023-11-12 01:00:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_size [2023-11-12 01:00:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2023-11-12 01:00:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2023-11-12 01:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-12 01:00:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-12 01:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-12 01:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2023-11-12 01:00:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2023-11-12 01:00:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-12 01:00:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-12 01:00:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure lo_write_bvec [2023-11-12 01:00:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_write_bvec [2023-11-12 01:00:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-12 01:00:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-12 01:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-12 01:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 01:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:00:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-12 01:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 01:00:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 01:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 01:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-12 01:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-12 01:00:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-12 01:00:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-12 01:00:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-12 01:00:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status_old [2023-11-12 01:00:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status_old [2023-11-12 01:00:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-12 01:00:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-12 01:00:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 01:00:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 01:00:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 01:00:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 01:00:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure loop_reread_partitions [2023-11-12 01:00:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_reread_partitions [2023-11-12 01:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2023-11-12 01:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2023-11-12 01:00:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2023-11-12 01:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_iter_read [2023-11-12 01:00:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_iter_read [2023-11-12 01:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure idr_for_each [2023-11-12 01:00:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_for_each [2023-11-12 01:00:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2023-11-12 01:00:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2023-11-12 01:00:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2023-11-12 01:00:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2023-11-12 01:00:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-12 01:00:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-12 01:00:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 01:00:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 01:00:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2023-11-12 01:00:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2023-11-12 01:00:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_write_work [2023-11-12 01:00:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_write_work [2023-11-12 01:00:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2023-11-12 01:00:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2023-11-12 01:00:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2023-11-12 01:00:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2023-11-12 01:00:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2023-11-12 01:00:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2023-11-12 01:00:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2023-11-12 01:00:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2023-11-12 01:00:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status64 [2023-11-12 01:00:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status64 [2023-11-12 01:00:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:00:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:00:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_11 [2023-11-12 01:00:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_11 [2023-11-12 01:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2023-11-12 01:00:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2023-11-12 01:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 01:00:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 01:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure loop_attr_show [2023-11-12 01:00:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_attr_show [2023-11-12 01:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 01:00:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 01:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-12 01:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-12 01:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-12 01:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-12 01:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:00:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 01:00:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 01:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-12 01:00:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-12 01:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue [2023-11-12 01:00:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue [2023-11-12 01:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 01:00:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 01:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 01:00:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 01:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 01:00:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 01:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2023-11-12 01:00:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2023-11-12 01:00:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:00:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-11-12 01:00:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2023-11-12 01:00:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2023-11-12 01:00:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2023-11-12 01:00:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 01:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-12 01:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2023-11-12 01:00:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2023-11-12 01:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-12 01:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-12 01:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 01:00:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 01:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-12 01:00:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-12 01:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-11-12 01:00:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-11-12 01:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2023-11-12 01:00:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2023-11-12 01:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2023-11-12 01:00:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2023-11-12 01:00:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 01:00:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 01:00:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2023-11-12 01:00:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2023-11-12 01:00:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2023-11-12 01:00:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2023-11-12 01:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_read_work [2023-11-12 01:00:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_read_work [2023-11-12 01:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-11-12 01:00:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-11-12 01:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 01:00:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 01:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2023-11-12 01:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2023-11-12 01:00:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-12 01:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-12 01:00:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-12 01:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-12 01:00:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-12 01:00:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 01:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 01:00:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure loop_lookup [2023-11-12 01:00:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_lookup [2023-11-12 01:00:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure loop_queue_rq [2023-11-12 01:00:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_queue_rq [2023-11-12 01:00:58,385 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:58,388 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:01,002 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:01:01,539 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 01:01:10,219 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 01:01:31,138 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:31,164 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:31,164 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 01:01:31,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:31 BoogieIcfgContainer [2023-11-12 01:01:31,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:31,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:31,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:31,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:31,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:52" (1/3) ... [2023-11-12 01:01:31,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cf8771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:31, skipping insertion in model container [2023-11-12 01:01:31,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:56" (2/3) ... [2023-11-12 01:01:31,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cf8771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:31, skipping insertion in model container [2023-11-12 01:01:31,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:31" (3/3) ... [2023-11-12 01:01:31,181 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--block--loop.ko-entry_point.cil.out.i [2023-11-12 01:01:31,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:31,202 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1713 error locations. [2023-11-12 01:01:31,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:31,343 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1319659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:31,344 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1713 error locations. [2023-11-12 01:01:31,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 4394 states, 2250 states have (on average 1.935111111111111) internal successors, (4354), 3969 states have internal predecessors, (4354), 365 states have call successors, (365), 94 states have call predecessors, (365), 93 states have return successors, (352), 350 states have call predecessors, (352), 352 states have call successors, (352) [2023-11-12 01:01:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2023-11-12 01:01:31,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:31,388 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:01:31,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_memsetErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [list_emptyErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, list_emptyErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, __kuid_valErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1710 more)] === [2023-11-12 01:01:31,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:31,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1764060277, now seen corresponding path program 1 times [2023-11-12 01:01:31,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:01:31,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157836086] [2023-11-12 01:01:31,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:31,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 01:01:31,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:01:31,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 01:01:31,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbbc218-9c9d-4fe1-8730-dfd2f7cb61c4/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process