./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f 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_current_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 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 16:17:11,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 16:17:11,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 16:17:11,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 16:17:11,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 16:17:11,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 16:17:11,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 16:17:11,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 16:17:11,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 16:17:11,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 16:17:11,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 16:17:11,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 16:17:11,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 16:17:11,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 16:17:11,827 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 16:17:11,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 16:17:11,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 16:17:11,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 16:17:11,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 16:17:11,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 16:17:11,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 16:17:11,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 16:17:11,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 16:17:11,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 16:17:11,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 16:17:11,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 16:17:11,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 16:17:11,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 16:17:11,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 16:17:11,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 16:17:11,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 16:17:11,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 16:17:11,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 16:17:11,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 16:17:11,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 16:17:11,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 16:17:11,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 16:17:11,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 16:17:11,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 16:17:11,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 16:17:11,834 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 16:17:11,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 16:17:11,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 16:17:11,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 [2024-01-27 16:17:12,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 16:17:12,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 16:17:12,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 16:17:12,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 16:17:12,126 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 16:17:12,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-01-27 16:17:13,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 16:17:13,500 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 16:17:13,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-01-27 16:17:13,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803720938/6d05286abf334074bd71643c5b3e6ec6/FLAGa9fb6bde6 [2024-01-27 16:17:13,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803720938/6d05286abf334074bd71643c5b3e6ec6 [2024-01-27 16:17:13,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 16:17:13,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-01-27 16:17:13,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 16:17:13,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 16:17:13,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 16:17:13,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 04:17:13" (1/1) ... [2024-01-27 16:17:13,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a8701e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:17:13, skipping insertion in model container [2024-01-27 16:17:13,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 04:17:13" (1/1) ... [2024-01-27 16:17:13,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 16:17:13,932 WARN L239 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_current_pc8736x_gpio_set.i[5469,5482] [2024-01-27 16:17:16,301 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:16,304 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:16,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 16:17:16,381 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 16:17:16,399 WARN L239 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_current_pc8736x_gpio_set.i[5469,5482] [2024-01-27 16:17:16,464 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] [2024-01-27 16:17:16,466 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] [2024-01-27 16:17:16,466 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] [2024-01-27 16:17:16,467 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] [2024-01-27 16:17:16,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-01-27 16:17:16,580 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:16,581 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:16,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 16:17:16,979 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-01-27 16:17:16,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@195ca54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:17:16, skipping insertion in model container [2024-01-27 16:17:16,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 16:17:16,980 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-27 16:17:16,981 INFO L158 Benchmark]: Toolchain (without parser) took 3425.55ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 76.0MB in the beginning and 106.4MB in the end (delta: -30.4MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-01-27 16:17:16,982 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 16:17:16,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3422.77ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 76.0MB in the beginning and 106.4MB in the end (delta: -30.4MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-01-27 16:17:16,983 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 88.1MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3422.77ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 76.0MB in the beginning and 106.4MB in the end (delta: -30.4MB). Peak memory consumption was 77.2MB. 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: ____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_current_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 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a340643-m [2024-01-27 16:17:18,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 16:17:18,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-01-27 16:17:18,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 16:17:18,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 16:17:18,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 16:17:18,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 16:17:18,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 16:17:18,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 16:17:18,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 16:17:18,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 16:17:18,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 16:17:18,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 16:17:18,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 16:17:18,799 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 16:17:18,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 16:17:18,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 16:17:18,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 16:17:18,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 16:17:18,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 16:17:18,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 16:17:18,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 16:17:18,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 16:17:18,802 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-01-27 16:17:18,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-01-27 16:17:18,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 16:17:18,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-01-27 16:17:18,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 16:17:18,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 16:17:18,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 16:17:18,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 16:17:18,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 16:17:18,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 16:17:18,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 16:17:18,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 16:17:18,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 16:17:18,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 16:17:18,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 16:17:18,806 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-01-27 16:17:18,806 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-01-27 16:17:18,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 16:17:18,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 16:17:18,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 16:17:18,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 16:17:18,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 16:17:18,807 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-01-27 16:17:18,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 [2024-01-27 16:17:19,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 16:17:19,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 16:17:19,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 16:17:19,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 16:17:19,095 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 16:17:19,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-01-27 16:17:20,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 16:17:20,436 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 16:17:20,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-01-27 16:17:20,473 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228f2bfa2/6661ac8a836143599633df4f1fd712d7/FLAG928328e1b [2024-01-27 16:17:20,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/228f2bfa2/6661ac8a836143599633df4f1fd712d7 [2024-01-27 16:17:20,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 16:17:20,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-01-27 16:17:20,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 16:17:20,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 16:17:20,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 16:17:20,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 04:17:20" (1/1) ... [2024-01-27 16:17:20,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474f4050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:17:20, skipping insertion in model container [2024-01-27 16:17:20,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 04:17:20" (1/1) ... [2024-01-27 16:17:20,639 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 16:17:20,928 WARN L239 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_current_pc8736x_gpio_set.i[5469,5482] [2024-01-27 16:17:23,386 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:23,393 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:23,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 16:17:23,471 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-01-27 16:17:23,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 16:17:23,524 WARN L239 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_current_pc8736x_gpio_set.i[5469,5482] [2024-01-27 16:17:23,694 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:23,695 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:23,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 16:17:23,718 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 16:17:23,734 WARN L239 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_current_pc8736x_gpio_set.i[5469,5482] [2024-01-27 16:17:23,834 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] [2024-01-27 16:17:23,849 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] [2024-01-27 16:17:23,849 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] [2024-01-27 16:17:23,850 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] [2024-01-27 16:17:23,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-01-27 16:17:23,964 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:23,964 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 16:17:23,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 16:17:24,574 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-01-27 16:17:24,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fbc8455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 04:17:24, skipping insertion in model container [2024-01-27 16:17:24,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 16:17:24,575 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-27 16:17:24,576 INFO L158 Benchmark]: Toolchain (without parser) took 4086.50ms. Allocated memory was 62.9MB in the beginning and 184.5MB in the end (delta: 121.6MB). Free memory was 28.6MB in the beginning and 70.8MB in the end (delta: -42.1MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2024-01-27 16:17:24,577 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 16:17:24,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4083.61ms. Allocated memory was 62.9MB in the beginning and 184.5MB in the end (delta: 121.6MB). Free memory was 28.5MB in the beginning and 70.8MB in the end (delta: -42.3MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2024-01-27 16:17:24,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4083.61ms. Allocated memory was 62.9MB in the beginning and 184.5MB in the end (delta: 121.6MB). Free memory was 28.5MB in the beginning and 70.8MB in the end (delta: -42.3MB). Peak memory consumption was 97.8MB. 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