./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:35,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:35,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 20:59:35,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:35,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:35,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:35,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:35,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:35,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:59:35,975 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:59:35,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:59:35,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:59:35,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:35,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:35,979 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:35,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:35,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:59:35,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:59:35,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:59:35,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:59:35,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:35,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:59:35,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:59:35,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:59:35,986 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:59:35,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:35,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:35,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:35,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:35,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:59:35,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:59:35,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:35,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:35,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:59:35,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:59:35,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:59:35,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:59:35,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:59:35,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:59:35,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:59:35,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:59:35,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:59:35,995 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-21 20:59:36,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:36,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:36,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:36,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:36,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:36,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-21 20:59:39,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:40,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:40,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-21 20:59:40,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data/904230043/db109dac8fe14a08b637002b68a6938b/FLAGb34b82086 [2023-11-21 20:59:40,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data/904230043/db109dac8fe14a08b637002b68a6938b [2023-11-21 20:59:40,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:40,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:40,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:40,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:40,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:40,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:40" (1/1) ... [2023-11-21 20:59:40,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d80f49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:40, skipping insertion in model container [2023-11-21 20:59:40,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:40" (1/1) ... [2023-11-21 20:59:40,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:40,955 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-11-21 20:59:45,016 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-21 20:59:45,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:45,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:59:45,972 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-11-21 20:59:46,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 20:59:46,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 20:59:46,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 20:59:46,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 20:59:46,373 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-21 20:59:46,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-21 20:59:46,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:46,928 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,928 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,929 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,929 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,929 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,929 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,929 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:59:46,937 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:59:46,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46 WrapperNode [2023-11-21 20:59:46,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:46,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:46,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:59:46,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:59:46,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,154 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 322 [2023-11-21 20:59:47,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:47,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:59:47,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:59:47,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:59:47,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,184 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:46" (1/1) ... [2023-11-21 20:59:47,199 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:161) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processBody(AliasAnalysis.java:128) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.aliasAnalysis(AliasAnalysis.java:117) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:116) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:102) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:155) 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) [2023-11-21 20:59:47,203 INFO L158 Benchmark]: Toolchain (without parser) took 6863.09ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 68.6MB in the beginning and 110.8MB in the end (delta: -42.1MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2023-11-21 20:59:47,204 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:59:47,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6595.33ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 68.3MB in the beginning and 122.3MB in the end (delta: -54.0MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2023-11-21 20:59:47,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.71ms. Allocated memory is still 226.5MB. Free memory was 122.3MB in the beginning and 112.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 20:59:47,206 INFO L158 Benchmark]: Boogie Preprocessor took 45.77ms. Allocated memory is still 226.5MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:59:47,209 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 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6595.33ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 68.3MB in the beginning and 122.3MB in the end (delta: -54.0MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.71ms. Allocated memory is still 226.5MB. Free memory was 122.3MB in the beginning and 112.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.77ms. Allocated memory is still 226.5MB. Free memory was 112.9MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.boogie.preprocessor: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] 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_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:49,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:49,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 20:59:49,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:49,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:49,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:49,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:49,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:49,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:59:49,758 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:59:49,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:59:49,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:59:49,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:49,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:49,762 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:49,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:49,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:59:49,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:59:49,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:59:49,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:49,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:59:49,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:59:49,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:59:49,766 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 20:59:49,767 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 20:59:49,767 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 20:59:49,768 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:59:49,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:49,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:49,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:49,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:49,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:59:49,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:59:49,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:59:49,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:49,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:59:49,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:59:49,772 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 20:59:49,772 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 20:59:49,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:59:49,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:59:49,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:59:49,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:59:49,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:59:49,774 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 20:59:49,774 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-21 20:59:50,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:50,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:50,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:50,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:50,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:50,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-21 20:59:53,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:53,986 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:53,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-21 20:59:54,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data/d6ea15700/edb9505bc9e94b0584284af2c269dcae/FLAG599b8455c [2023-11-21 20:59:54,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/bin/uautomizer-verify-bycVGegfSx/data/d6ea15700/edb9505bc9e94b0584284af2c269dcae [2023-11-21 20:59:54,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:54,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:54,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:54,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:54,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:54,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:54" (1/1) ... [2023-11-21 20:59:54,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbdabfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:54, skipping insertion in model container [2023-11-21 20:59:54,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:54" (1/1) ... [2023-11-21 20:59:54,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:54,603 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-11-21 20:59:58,784 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-21 20:59:59,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:59,676 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 20:59:59,780 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:59,794 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-11-21 21:00:00,043 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-21 21:00:00,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:00,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:00,175 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb9c543-c3ac-4ca2-810f-04ea27677506/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-11-21 21:00:00,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 21:00:00,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 21:00:00,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 21:00:00,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-21 21:00:00,430 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-21 21:00:00,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-21 21:00:00,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:01,410 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:01,411 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:01,411 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:01,411 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:01,411 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:01,412 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:01,412 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:01,421 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:01,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:01 WrapperNode [2023-11-21 21:00:01,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:01,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:01,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:01,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:01,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:01" (1/1) ... [2023-11-21 21:00:01,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:01" (1/1) ... [2023-11-21 21:00:01,670 INFO L138 Inliner]: procedures = 1368, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 306 [2023-11-21 21:00:01,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:01,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:01,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:01,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:01,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:01" (1/1) ... [2023-11-21 21:00:01,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:01" (1/1) ... [2023-11-21 21:00:01,712 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:01" (1/1) ... [2023-11-21 21:00:01,736 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:161) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processBody(AliasAnalysis.java:128) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.aliasAnalysis(AliasAnalysis.java:117) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:116) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:102) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:155) 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) [2023-11-21 21:00:01,742 INFO L158 Benchmark]: Toolchain (without parser) took 7692.46ms. Allocated memory was 81.8MB in the beginning and 169.9MB in the end (delta: 88.1MB). Free memory was 45.7MB in the beginning and 46.4MB in the end (delta: -652.2kB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2023-11-21 21:00:01,743 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:01,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7372.23ms. Allocated memory was 81.8MB in the beginning and 169.9MB in the end (delta: 88.1MB). Free memory was 45.5MB in the beginning and 57.9MB in the end (delta: -12.4MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2023-11-21 21:00:01,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 255.69ms. Allocated memory is still 169.9MB. Free memory was 57.9MB in the beginning and 48.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 21:00:01,746 INFO L158 Benchmark]: Boogie Preprocessor took 60.67ms. Allocated memory is still 169.9MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:01,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7372.23ms. Allocated memory was 81.8MB in the beginning and 169.9MB in the end (delta: 88.1MB). Free memory was 45.5MB in the beginning and 57.9MB in the end (delta: -12.4MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 255.69ms. Allocated memory is still 169.9MB. Free memory was 57.9MB in the beginning and 48.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.67ms. Allocated memory is still 169.9MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.boogie.preprocessor: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] 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: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0