./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-32_7a-drivers--media--pci--cx18--cx18.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--pci--cx18--cx18.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh --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 1cb150a9da610dda2209214a98eac78616ac90b26f99a7f5d86c29a6d8192c74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:36:40,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:36:40,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-12-02 12:36:41,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:36:41,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:36:41,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:36:41,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:36:41,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:36:41,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:36:41,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:36:41,036 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:36:41,037 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:36:41,037 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:36:41,038 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:36:41,038 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:36:41,039 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:36:41,039 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:36:41,040 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:36:41,040 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:36:41,041 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:36:41,041 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:36:41,042 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:36:41,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 12:36:41,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 12:36:41,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:36:41,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:36:41,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:36:41,045 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 12:36:41,045 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 12:36:41,046 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 12:36:41,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:36:41,046 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:36:41,047 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 12:36:41,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:36:41,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:36:41,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:36:41,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:36:41,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:36:41,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:36:41,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:36:41,049 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:36:41,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:36:41,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:36:41,050 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:36:41,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:36:41,050 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_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb150a9da610dda2209214a98eac78616ac90b26f99a7f5d86c29a6d8192c74 [2023-12-02 12:36:41,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:36:41,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:36:41,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:36:41,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:36:41,337 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:36:41,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--pci--cx18--cx18.ko-entry_point.cil.out.i [2023-12-02 12:36:44,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:36:44,800 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:36:44,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--pci--cx18--cx18.ko-entry_point.cil.out.i [2023-12-02 12:36:44,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data/1ff77b3d5/04024d3ae3ee4ad7820926af2cd85178/FLAGe225f4fcc [2023-12-02 12:36:44,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data/1ff77b3d5/04024d3ae3ee4ad7820926af2cd85178 [2023-12-02 12:36:44,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:36:44,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:36:44,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:36:44,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:36:44,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:36:44,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:36:44" (1/1) ... [2023-12-02 12:36:44,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eb496b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:44, skipping insertion in model container [2023-12-02 12:36:44,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:36:44" (1/1) ... [2023-12-02 12:36:45,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:36:45,673 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4587] [2023-12-02 12:36:46,647 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,255 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,525 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,571 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,734 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,742 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,746 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,748 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,756 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,758 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,760 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,762 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,809 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:47,893 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,074 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,576 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,576 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,585 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,586 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,595 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,595 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,604 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,605 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,616 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,616 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-12-02 12:36:48,624 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield write at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:875) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:875) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:875) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:861) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2740) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:738) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-02 12:36:48,629 INFO L158 Benchmark]: Toolchain (without parser) took 3730.47ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 87.1MB in the beginning and 105.2MB in the end (delta: -18.0MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2023-12-02 12:36:48,629 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:36:48,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3728.22ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 87.1MB in the beginning and 105.2MB in the end (delta: -18.0MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2023-12-02 12:36:48,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3728.22ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 87.1MB in the beginning and 105.2MB in the end (delta: -18.0MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield write de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield write: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2629) 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_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--pci--cx18--cx18.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh --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 1cb150a9da610dda2209214a98eac78616ac90b26f99a7f5d86c29a6d8192c74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:36:50,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:36:50,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-12-02 12:36:50,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:36:50,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:36:50,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:36:50,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:36:50,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:36:50,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:36:50,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:36:50,483 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:36:50,484 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:36:50,484 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:36:50,485 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:36:50,485 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:36:50,486 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:36:50,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 12:36:50,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 12:36:50,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:36:50,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:36:50,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:36:50,489 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 12:36:50,489 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 12:36:50,490 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 12:36:50,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:36:50,490 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:36:50,491 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:36:50,491 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:36:50,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 12:36:50,492 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:36:50,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:36:50,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:36:50,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:36:50,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:36:50,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:36:50,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:36:50,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:36:50,494 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:36:50,494 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:36:50,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:36:50,494 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:36:50,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:36:50,495 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_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb150a9da610dda2209214a98eac78616ac90b26f99a7f5d86c29a6d8192c74 [2023-12-02 12:36:50,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:36:50,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:36:50,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:36:50,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:36:50,815 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:36:50,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--pci--cx18--cx18.ko-entry_point.cil.out.i [2023-12-02 12:36:53,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:36:54,503 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:36:54,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--pci--cx18--cx18.ko-entry_point.cil.out.i [2023-12-02 12:36:54,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data/4979c5cbe/b2e154a56f8644398735207ccd93710a/FLAGf6f205c67 [2023-12-02 12:36:54,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c284434-a457-4f81-8666-3e5f42bc3bee/bin/utaipan-verify-nQ1chXbOIh/data/4979c5cbe/b2e154a56f8644398735207ccd93710a [2023-12-02 12:36:54,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:36:54,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:36:54,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:36:54,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:36:54,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:36:54,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:36:54" (1/1) ... [2023-12-02 12:36:54,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f70fb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:54, skipping insertion in model container [2023-12-02 12:36:54,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:36:54" (1/1) ... [2023-12-02 12:36:54,921 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:36:55,440 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4587] [2023-12-02 12:36:58,807 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield write at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:875) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:875) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:875) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCall(MemoryHandler.java:861) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2740) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:738) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-02 12:36:58,814 INFO L158 Benchmark]: Toolchain (without parser) took 4212.63ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 49.3MB in the beginning and 62.7MB in the end (delta: -13.4MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-12-02 12:36:58,814 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:36:58,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4210.63ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 49.0MB in the beginning and 62.7MB in the end (delta: -13.7MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-12-02 12:36:58,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4210.63ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 49.0MB in the beginning and 62.7MB in the end (delta: -13.7MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield write de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield write: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getWriteCallStruct(MemoryHandler.java:2629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Bitfield write