./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 01:42:20,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 01:42:20,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-10-26 01:42:20,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 01:42:20,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 01:42:20,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 01:42:20,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 01:42:20,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 01:42:20,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 01:42:20,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 01:42:20,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 01:42:20,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 01:42:20,764 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 01:42:20,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 01:42:20,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-26 01:42:20,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 01:42:20,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 01:42:20,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 01:42:20,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 01:42:20,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-26 01:42:20,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 01:42:20,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-26 01:42:20,772 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-26 01:42:20,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 01:42:20,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 01:42:20,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 01:42:20,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-26 01:42:20,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 01:42:20,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 01:42:20,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 01:42:20,774 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-10-26 01:42:20,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 01:42:20,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 01:42:20,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 01:42:20,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 01:42:20,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-26 01:42:20,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 01:42:20,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 01:42:20,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 01:42:20,775 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 01:42:20,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 01:42:20,776 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 01:42:20,776 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 01:42:20,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2024-10-26 01:42:21,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 01:42:21,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 01:42:21,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 01:42:21,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 01:42:21,037 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 01:42:21,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-26 01:42:22,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 01:42:22,846 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 01:42:22,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-26 01:42:22,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/836d3db3a/b237cc25c5e548658765af3dd388f9f8/FLAG21eb92e23 [2024-10-26 01:42:22,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/836d3db3a/b237cc25c5e548658765af3dd388f9f8 [2024-10-26 01:42:22,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 01:42:22,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 01:42:22,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:22,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 01:42:22,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 01:42:22,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:22" (1/1) ... [2024-10-26 01:42:22,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f315c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:42:22, skipping insertion in model container [2024-10-26 01:42:22,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:22" (1/1) ... [2024-10-26 01:42:23,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 01:42:26,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:26,406 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 01:42:26,538 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] [2024-10-26 01:42:26,540 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] [2024-10-26 01:42:26,540 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] [2024-10-26 01:42:26,541 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] [2024-10-26 01:42:26,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-26 01:42:26,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:27,274 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN [2024-10-26 01:42:27,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c808804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:42:27, skipping insertion in model container [2024-10-26 01:42:27,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:27,276 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-26 01:42:27,277 INFO L158 Benchmark]: Toolchain (without parser) took 4364.91ms. Allocated memory was 144.7MB in the beginning and 306.2MB in the end (delta: 161.5MB). Free memory was 83.8MB in the beginning and 179.9MB in the end (delta: -96.0MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2024-10-26 01:42:27,278 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 110.7MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 01:42:27,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4361.91ms. Allocated memory was 144.7MB in the beginning and 306.2MB in the end (delta: 161.5MB). Free memory was 83.5MB in the beginning and 179.9MB in the end (delta: -96.3MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2024-10-26 01:42:27,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 110.7MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4361.91ms. Allocated memory was 144.7MB in the beginning and 306.2MB in the end (delta: 161.5MB). Free memory was 83.5MB in the beginning and 179.9MB in the end (delta: -96.3MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. * 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] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN 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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 01:42:29,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 01:42:29,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2024-10-26 01:42:29,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 01:42:29,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 01:42:29,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 01:42:29,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 01:42:29,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 01:42:29,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 01:42:29,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 01:42:29,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 01:42:29,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 01:42:29,261 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 01:42:29,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 01:42:29,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-26 01:42:29,262 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 01:42:29,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 01:42:29,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 01:42:29,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-26 01:42:29,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 01:42:29,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-26 01:42:29,268 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-26 01:42:29,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-26 01:42:29,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 01:42:29,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-26 01:42:29,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 01:42:29,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 01:42:29,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-26 01:42:29,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 01:42:29,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 01:42:29,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 01:42:29,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 01:42:29,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 01:42:29,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 01:42:29,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 01:42:29,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-26 01:42:29,271 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-26 01:42:29,271 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-26 01:42:29,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 01:42:29,272 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 01:42:29,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 01:42:29,274 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 01:42:29,274 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 01:42:29,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-26 01:42:29,274 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2024-10-26 01:42:29,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 01:42:29,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 01:42:29,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 01:42:29,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 01:42:29,614 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 01:42:29,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-26 01:42:31,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 01:42:31,565 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 01:42:31,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-26 01:42:31,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eeaa09b5b/69ce6d29ef404f52b4b6b4b3f722cc4c/FLAG557b8c2de [2024-10-26 01:42:31,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eeaa09b5b/69ce6d29ef404f52b4b6b4b3f722cc4c [2024-10-26 01:42:31,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 01:42:31,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 01:42:31,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:31,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 01:42:31,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 01:42:31,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:31" (1/1) ... [2024-10-26 01:42:31,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb90204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:42:31, skipping insertion in model container [2024-10-26 01:42:31,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:31" (1/1) ... [2024-10-26 01:42:31,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 01:42:35,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:35,026 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 01:42:35,194 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] [2024-10-26 01:42:35,196 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] [2024-10-26 01:42:35,196 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] [2024-10-26 01:42:35,196 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] [2024-10-26 01:42:35,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-26 01:42:35,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:36,011 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN [2024-10-26 01:42:36,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55ee9464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:42:36, skipping insertion in model container [2024-10-26 01:42:36,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:36,013 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-26 01:42:36,016 INFO L158 Benchmark]: Toolchain (without parser) took 4342.11ms. Allocated memory was 65.0MB in the beginning and 184.5MB in the end (delta: 119.5MB). Free memory was 31.9MB in the beginning and 105.0MB in the end (delta: -73.1MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-10-26 01:42:36,016 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 01:42:36,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4340.19ms. Allocated memory was 65.0MB in the beginning and 184.5MB in the end (delta: 119.5MB). Free memory was 31.7MB in the beginning and 105.0MB in the end (delta: -73.3MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2024-10-26 01:42:36,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4340.19ms. Allocated memory was 65.0MB in the beginning and 184.5MB in the end (delta: 119.5MB). Free memory was 31.7MB in the beginning and 105.0MB in the end (delta: -73.3MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. * 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] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN 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: UNKNOWN