./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.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.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 e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 01:42:29,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 01:42:29,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-10-26 01:42:29,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 01:42:29,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 01:42:29,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 01:42:29,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 01:42:29,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 01:42:29,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 01:42:29,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 01:42:29,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 01:42:29,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 01:42:29,147 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 01:42:29,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 01:42:29,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-26 01:42:29,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 01:42:29,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 01:42:29,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 01:42:29,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 01:42:29,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-26 01:42:29,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 01:42:29,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-26 01:42:29,150 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-26 01:42:29,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 01:42:29,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 01:42:29,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 01:42:29,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-26 01:42:29,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 01:42:29,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 01:42:29,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 01:42:29,154 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-10-26 01:42:29,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 01:42:29,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 01:42:29,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 01:42:29,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 01:42:29,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-26 01:42:29,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 01:42:29,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 01:42:29,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 01:42:29,155 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 01:42:29,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 01:42:29,156 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 01:42:29,156 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 01:42:29,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 [2024-10-26 01:42:29,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 01:42:29,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 01:42:29,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 01:42:29,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 01:42:29,383 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 01:42:29,384 INFO L431 ainManager$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.i [2024-10-26 01:42:30,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 01:42:30,964 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 01:42:30,966 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-10-26 01:42:31,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c182829c5/8a983df67603427a8946a6bb5b6d5d37/FLAGf9bca9037 [2024-10-26 01:42:31,169 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c182829c5/8a983df67603427a8946a6bb5b6d5d37 [2024-10-26 01:42:31,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 01:42:31,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 01:42:31,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:31,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 01:42:31,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 01:42:31,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:31" (1/1) ... [2024-10-26 01:42:31,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501d66b7 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 01:42:31,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:31" (1/1) ... [2024-10-26 01:42:31,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 01:42:34,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:34,915 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 01:42:35,008 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 01:42:35,010 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 01:42:35,010 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 01:42:35,010 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 01:42:35,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-26 01:42:35,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:35,493 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN [2024-10-26 01:42:35,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f169885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:42:35, skipping insertion in model container [2024-10-26 01:42:35,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:35,494 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-26 01:42:35,498 INFO L158 Benchmark]: Toolchain (without parser) took 4322.36ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 101.0MB in the beginning and 93.3MB in the end (delta: 7.7MB). Peak memory consumption was 154.9MB. Max. memory is 16.1GB. [2024-10-26 01:42:35,499 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 01:42:35,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4320.75ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 100.5MB in the beginning and 93.3MB in the end (delta: 7.2MB). Peak memory consumption was 154.9MB. Max. memory is 16.1GB. [2024-10-26 01:42:35,500 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 167.8MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4320.75ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 100.5MB in the beginning and 93.3MB in the end (delta: 7.2MB). Peak memory consumption was 154.9MB. 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.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 e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 01:42:37,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 01:42:37,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2024-10-26 01:42:37,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 01:42:37,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 01:42:37,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 01:42:37,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 01:42:37,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 01:42:37,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 01:42:37,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 01:42:37,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 01:42:37,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 01:42:37,188 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 01:42:37,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 01:42:37,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-26 01:42:37,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 01:42:37,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 01:42:37,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 01:42:37,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-26 01:42:37,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 01:42:37,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-26 01:42:37,192 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-26 01:42:37,192 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-26 01:42:37,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 01:42:37,192 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-26 01:42:37,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 01:42:37,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 01:42:37,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-26 01:42:37,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 01:42:37,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 01:42:37,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 01:42:37,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 01:42:37,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 01:42:37,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 01:42:37,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 01:42:37,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-26 01:42:37,195 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-26 01:42:37,195 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-26 01:42:37,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 01:42:37,196 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 01:42:37,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 01:42:37,196 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 01:42:37,197 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 01:42:37,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-26 01:42:37,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 [2024-10-26 01:42:37,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 01:42:37,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 01:42:37,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 01:42:37,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 01:42:37,469 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 01:42:37,470 INFO L431 ainManager$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.i [2024-10-26 01:42:38,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 01:42:39,094 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 01:42:39,095 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-10-26 01:42:39,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fd1b5709a/efe0a62bc2f54b57bb774a7dd4e65e3b/FLAG89c4ff976 [2024-10-26 01:42:39,261 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fd1b5709a/efe0a62bc2f54b57bb774a7dd4e65e3b [2024-10-26 01:42:39,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 01:42:39,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 01:42:39,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:39,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 01:42:39,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 01:42:39,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:39" (1/1) ... [2024-10-26 01:42:39,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465dffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:42:39, skipping insertion in model container [2024-10-26 01:42:39,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:42:39" (1/1) ... [2024-10-26 01:42:39,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 01:42:42,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:42,634 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 01:42:42,794 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 01:42:42,796 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 01:42:42,796 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 01:42:42,796 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 01:42:42,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-26 01:42:43,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 01:42:43,481 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN [2024-10-26 01:42:43,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7171d20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:42:43, skipping insertion in model container [2024-10-26 01:42:43,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 01:42:43,484 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-26 01:42:43,486 INFO L158 Benchmark]: Toolchain (without parser) took 4219.94ms. Allocated memory was 67.1MB in the beginning and 151.0MB in the end (delta: 83.9MB). Free memory was 38.9MB in the beginning and 78.6MB in the end (delta: -39.7MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-10-26 01:42:43,486 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 01:42:43,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4217.26ms. Allocated memory was 67.1MB in the beginning and 151.0MB in the end (delta: 83.9MB). Free memory was 38.7MB in the beginning and 78.6MB in the end (delta: -40.0MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-10-26 01:42:43,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4217.26ms. Allocated memory was 67.1MB in the beginning and 151.0MB in the end (delta: 83.9MB). Free memory was 38.7MB in the beginning and 78.6MB in the end (delta: -40.0MB). Peak memory consumption was 81.2MB. 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