./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.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_change_pc8736x_gpio_get.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 91daa8d5cc5238f65bbc84452f0f12c46d554694ab9be60624d6294c175b3d89 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:23:37,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:23:37,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 16:23:37,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:23:37,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:23:37,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:23:37,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:23:37,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:23:37,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:23:37,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:23:37,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:23:37,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:23:37,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:23:37,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:23:37,923 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:23:37,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:23:37,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:23:37,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:23:37,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 16:23:37,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:23:37,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:23:37,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:23:37,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:23:37,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:23:37,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:23:37,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:23:37,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:23:37,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:23:37,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:23:37,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:23:37,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:23:37,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:23:37,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:23:37,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:23:37,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:23:37,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:23:37,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 16:23:37,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 16:23:37,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:23:37,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:23:37,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:23:37,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:23:37,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:23:37,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91daa8d5cc5238f65bbc84452f0f12c46d554694ab9be60624d6294c175b3d89 [2024-06-27 16:23:38,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:23:38,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:23:38,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:23:38,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:23:38,199 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:23:38,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-06-27 16:23:39,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:23:39,878 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:23:39,878 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-06-27 16:23:39,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fd7bdef/532aaaddfc61447cb65706a657362484/FLAGa1c5cbf33 [2024-06-27 16:23:39,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43fd7bdef/532aaaddfc61447cb65706a657362484 [2024-06-27 16:23:39,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:23:39,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:23:39,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:23:39,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:23:39,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:23:39,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:23:39" (1/1) ... [2024-06-27 16:23:39,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e163cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:23:39, skipping insertion in model container [2024-06-27 16:23:39,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:23:39" (1/1) ... [2024-06-27 16:23:40,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:23:40,321 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_change_pc8736x_gpio_get.i[5469,5482] [2024-06-27 16:23:43,639 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:43,641 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:43,730 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:23:43,745 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:23:43,766 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_change_pc8736x_gpio_get.i[5469,5482] [2024-06-27 16:23:43,843 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 16:23:43,845 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 16:23:43,845 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 16:23:43,846 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 16:23:43,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-06-27 16:23:43,962 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:43,963 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:43,974 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:23:44,463 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 16:23:44,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aa55699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:23:44, skipping insertion in model container [2024-06-27 16:23:44,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:23:44,464 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 16:23:44,466 INFO L158 Benchmark]: Toolchain (without parser) took 4536.01ms. Allocated memory was 184.5MB in the beginning and 302.0MB in the end (delta: 117.4MB). Free memory was 113.9MB in the beginning and 201.1MB in the end (delta: -87.2MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2024-06-27 16:23:44,466 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 149.3MB in the end (delta: 285.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:23:44,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4533.36ms. Allocated memory was 184.5MB in the beginning and 302.0MB in the end (delta: 117.4MB). Free memory was 113.5MB in the beginning and 201.1MB in the end (delta: -87.6MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2024-06-27 16:23:44,468 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 184.5MB. Free memory was 149.6MB in the beginning and 149.3MB in the end (delta: 285.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4533.36ms. Allocated memory was 184.5MB in the beginning and 302.0MB in the end (delta: 117.4MB). Free memory was 113.5MB in the beginning and 201.1MB in the end (delta: -87.6MB). Peak memory consumption was 141.6MB. 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_change_pc8736x_gpio_get.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 91daa8d5cc5238f65bbc84452f0f12c46d554694ab9be60624d6294c175b3d89 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 16:23:46,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 16:23:46,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-06-27 16:23:46,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 16:23:46,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 16:23:46,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 16:23:46,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 16:23:46,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 16:23:46,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 16:23:46,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 16:23:46,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 16:23:46,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 16:23:46,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 16:23:46,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 16:23:46,454 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 16:23:46,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 16:23:46,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 16:23:46,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 16:23:46,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 16:23:46,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 16:23:46,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 16:23:46,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 16:23:46,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 16:23:46,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-06-27 16:23:46,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-06-27 16:23:46,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 16:23:46,457 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-06-27 16:23:46,457 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 16:23:46,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 16:23:46,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 16:23:46,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 16:23:46,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 16:23:46,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 16:23:46,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 16:23:46,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 16:23:46,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 16:23:46,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 16:23:46,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 16:23:46,461 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-06-27 16:23:46,461 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-06-27 16:23:46,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 16:23:46,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 16:23:46,461 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 16:23:46,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 16:23:46,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 16:23:46,462 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-06-27 16:23:46,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91daa8d5cc5238f65bbc84452f0f12c46d554694ab9be60624d6294c175b3d89 [2024-06-27 16:23:46,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 16:23:46,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 16:23:46,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 16:23:46,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 16:23:46,780 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 16:23:46,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-06-27 16:23:48,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 16:23:48,449 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 16:23:48,449 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-06-27 16:23:48,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/340292236/36bc5445a03d485a9dae552f93491583/FLAG8baf7fc4b [2024-06-27 16:23:48,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/340292236/36bc5445a03d485a9dae552f93491583 [2024-06-27 16:23:48,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 16:23:48,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-06-27 16:23:48,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 16:23:48,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 16:23:48,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 16:23:48,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:23:48" (1/1) ... [2024-06-27 16:23:48,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7acd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:23:48, skipping insertion in model container [2024-06-27 16:23:48,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 04:23:48" (1/1) ... [2024-06-27 16:23:48,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:23:48,881 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_change_pc8736x_gpio_get.i[5469,5482] [2024-06-27 16:23:51,559 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:51,563 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:51,621 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:23:51,639 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-06-27 16:23:51,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 16:23:51,688 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_change_pc8736x_gpio_get.i[5469,5482] [2024-06-27 16:23:51,853 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:51,853 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:51,871 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:23:51,885 INFO L202 MainTranslator]: Completed pre-run [2024-06-27 16:23:51,906 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_change_pc8736x_gpio_get.i[5469,5482] [2024-06-27 16:23:52,012 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 16:23:52,014 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 16:23:52,015 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 16:23:52,015 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 16:23:52,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-06-27 16:23:52,119 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:52,120 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-06-27 16:23:52,128 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 16:23:52,572 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 16:23:52,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45882263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 04:23:52, skipping insertion in model container [2024-06-27 16:23:52,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 16:23:52,573 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 16:23:52,575 INFO L158 Benchmark]: Toolchain (without parser) took 4069.80ms. Allocated memory was 92.3MB in the beginning and 264.2MB in the end (delta: 172.0MB). Free memory was 60.6MB in the beginning and 80.6MB in the end (delta: -19.9MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. [2024-06-27 16:23:52,575 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 16:23:52,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4067.02ms. Allocated memory was 92.3MB in the beginning and 264.2MB in the end (delta: 172.0MB). Free memory was 60.6MB in the beginning and 80.6MB in the end (delta: -19.9MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. [2024-06-27 16:23:52,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4067.02ms. Allocated memory was 92.3MB in the beginning and 264.2MB in the end (delta: 172.0MB). Free memory was 60.6MB in the beginning and 80.6MB in the end (delta: -19.9MB). Peak memory consumption was 159.2MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN