./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5c2f3d6e59bb285a6f38ef12e2d6f3fa5663ccaab9ce6d2a2e80d652e076537e --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:23:58,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:23:58,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 16:23:58,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:23:58,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:23:58,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:23:58,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:23:58,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:23:58,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:23:58,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:23:58,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:23:58,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:23:58,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:23:58,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:23:58,321 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:23:58,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:23:58,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:23:58,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:23:58,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 16:23:58,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:23:58,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:23:58,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:23:58,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:23:58,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:23:58,327 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:23:58,327 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:23:58,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:23:58,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:23:58,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:23:58,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:23:58,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:23:58,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:23:58,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:23:58,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:23:58,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:23:58,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:23:58,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 16:23:58,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 16:23:58,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:23:58,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:23:58,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:23:58,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:23:58,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:23:58,331 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c2f3d6e59bb285a6f38ef12e2d6f3fa5663ccaab9ce6d2a2e80d652e076537e [2024-06-27 16:23:58,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:23:58,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:23:58,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:23:58,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:23:58,568 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:23:58,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-06-27 16:23:59,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:24:00,013 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:24:00,014 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-06-27 16:24:00,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d0fed64/1f985392090a4b99b7c993297e44caf8/FLAG23e7fb75c [2024-06-27 16:24:00,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87d0fed64/1f985392090a4b99b7c993297e44caf8 [2024-06-27 16:24:00,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:24:00,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:24:00,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:24:00,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:24:00,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:24:00,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:24:00" (1/1) ... [2024-06-27 16:24:00,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a17f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:24:00, skipping insertion in model container [2024-06-27 16:24:00,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:24:00" (1/1) ... [2024-06-27 16:24:00,151 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:24:00,457 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i[5469,5482] [2024-06-27 16:24:03,266 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:03,269 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:03,335 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:24:03,351 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:24:03,373 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i[5469,5482] [2024-06-27 16:24:03,485 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] [2024-06-27 16:24:03,487 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] [2024-06-27 16:24:03,487 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] [2024-06-27 16:24:03,487 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] [2024-06-27 16:24:03,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-06-27 16:24:03,598 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:03,599 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:03,608 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:24:04,015 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 16:24:04,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16041d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:24:04, skipping insertion in model container [2024-06-27 16:24:04,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:24:04,016 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 16:24:04,024 INFO L158 Benchmark]: Toolchain (without parser) took 3950.09ms. Allocated memory was 148.9MB in the beginning and 291.5MB in the end (delta: 142.6MB). Free memory was 83.1MB in the beginning and 187.0MB in the end (delta: -103.8MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2024-06-27 16:24:04,024 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 148.9MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:24:04,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3944.68ms. Allocated memory was 148.9MB in the beginning and 291.5MB in the end (delta: 142.6MB). Free memory was 82.8MB in the beginning and 187.0MB in the end (delta: -104.1MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2024-06-27 16:24:04,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 148.9MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3944.68ms. Allocated memory was 148.9MB in the beginning and 291.5MB in the end (delta: 142.6MB). Free memory was 82.8MB in the beginning and 187.0MB in the end (delta: -104.1MB). Peak memory consumption was 94.1MB. 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: ____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/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5c2f3d6e59bb285a6f38ef12e2d6f3fa5663ccaab9ce6d2a2e80d652e076537e --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:24:05,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:24:05,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-06-27 16:24:05,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:24:05,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:24:05,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:24:05,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:24:05,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:24:05,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:24:05,901 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:24:05,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:24:05,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:24:05,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:24:05,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:24:05,903 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:24:05,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:24:05,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:24:05,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:24:05,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:24:05,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:24:05,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:24:05,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:24:05,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:24:05,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-06-27 16:24:05,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-06-27 16:24:05,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:24:05,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-06-27 16:24:05,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:24:05,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:24:05,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:24:05,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:24:05,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:24:05,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:24:05,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:24:05,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:24:05,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:24:05,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:24:05,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:24:05,910 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-06-27 16:24:05,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-06-27 16:24:05,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:24:05,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:24:05,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:24:05,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:24:05,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:24:05,912 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-06-27 16:24:05,912 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c2f3d6e59bb285a6f38ef12e2d6f3fa5663ccaab9ce6d2a2e80d652e076537e [2024-06-27 16:24:06,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:24:06,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:24:06,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:24:06,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:24:06,223 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:24:06,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-06-27 16:24:07,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:24:07,765 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:24:07,766 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-06-27 16:24:07,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7341ea089/08dc9cdb2e11411991479b03d76ccc99/FLAGd34a70183 [2024-06-27 16:24:07,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7341ea089/08dc9cdb2e11411991479b03d76ccc99 [2024-06-27 16:24:07,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:24:07,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:24:07,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:24:07,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:24:07,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:24:07,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:24:07" (1/1) ... [2024-06-27 16:24:07,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b12cad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:24:07, skipping insertion in model container [2024-06-27 16:24:07,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:24:07" (1/1) ... [2024-06-27 16:24:07,962 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:24:08,245 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i[5469,5482] [2024-06-27 16:24:10,943 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:10,943 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:11,014 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:24:11,034 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-06-27 16:24:11,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:24:11,090 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i[5469,5482] [2024-06-27 16:24:11,290 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:11,291 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:11,301 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:24:11,312 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:24:11,333 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i[5469,5482] [2024-06-27 16:24:11,437 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] [2024-06-27 16:24:11,439 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] [2024-06-27 16:24:11,439 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] [2024-06-27 16:24:11,440 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] [2024-06-27 16:24:11,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-06-27 16:24:11,594 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:11,594 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:24:11,602 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:24:12,188 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 16:24:12,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f5910c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:24:12, skipping insertion in model container [2024-06-27 16:24:12,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:24:12,189 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 16:24:12,196 INFO L158 Benchmark]: Toolchain (without parser) took 4370.25ms. Allocated memory was 71.3MB in the beginning and 163.6MB in the end (delta: 92.3MB). Free memory was 43.9MB in the beginning and 94.6MB in the end (delta: -50.7MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2024-06-27 16:24:12,197 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:24:12,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4367.85ms. Allocated memory was 71.3MB in the beginning and 163.6MB in the end (delta: 92.3MB). Free memory was 43.9MB in the beginning and 94.6MB in the end (delta: -50.7MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2024-06-27 16:24:12,198 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 50.3MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4367.85ms. Allocated memory was 71.3MB in the beginning and 163.6MB in the end (delta: 92.3MB). Free memory was 43.9MB in the beginning and 94.6MB in the end (delta: -50.7MB). Peak memory consumption was 98.0MB. 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: ____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