./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 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_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-dev-a340643-m [2024-01-27 15:11:15,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 15:11:15,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 15:11:15,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 15:11:15,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 15:11:15,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 15:11:15,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 15:11:15,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 15:11:15,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 15:11:15,586 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 15:11:15,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 15:11:15,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 15:11:15,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 15:11:15,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 15:11:15,588 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 15:11:15,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 15:11:15,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 15:11:15,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 15:11:15,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 15:11:15,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 15:11:15,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 15:11:15,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 15:11:15,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 15:11:15,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 15:11:15,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 15:11:15,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 15:11:15,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 15:11:15,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 15:11:15,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 15:11:15,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 15:11:15,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 15:11:15,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 15:11:15,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:11:15,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 15:11:15,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 15:11:15,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 15:11:15,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 15:11:15,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 15:11:15,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 15:11:15,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 15:11:15,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 15:11:15,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 15:11:15,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 15:11:15,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91daa8d5cc5238f65bbc84452f0f12c46d554694ab9be60624d6294c175b3d89 [2024-01-27 15:11:15,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 15:11:15,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 15:11:15,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 15:11:15,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 15:11:15,829 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 15:11:15,830 INFO L431 ainManager$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 [2024-01-27 15:11:16,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 15:11:17,218 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 15:11:17,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-01-27 15:11:17,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4361d5d73/259f4684105a4ebc910b35f2d36c04c9/FLAGce1e84859 [2024-01-27 15:11:17,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4361d5d73/259f4684105a4ebc910b35f2d36c04c9 [2024-01-27 15:11:17,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 15:11:17,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-01-27 15:11:17,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 15:11:17,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 15:11:17,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 15:11:17,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:17" (1/1) ... [2024-01-27 15:11:17,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308c46f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:17, skipping insertion in model container [2024-01-27 15:11:17,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:17" (1/1) ... [2024-01-27 15:11:17,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:11:17,745 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_change_pc8736x_gpio_get.i[5469,5482] [2024-01-27 15:11:21,889 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:21,892 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:21,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:11:21,967 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 15:11:21,985 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_change_pc8736x_gpio_get.i[5469,5482] [2024-01-27 15:11:22,103 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 15:11:22,107 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 15:11:22,108 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 15:11:22,108 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 15:11:22,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-01-27 15:11:22,206 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:22,207 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:22,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:11:22,578 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-01-27 15:11:22,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dcebdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:22, skipping insertion in model container [2024-01-27 15:11:22,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 15:11:22,579 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-27 15:11:22,580 INFO L158 Benchmark]: Toolchain (without parser) took 5301.88ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 108.7MB in the beginning and 75.5MB in the end (delta: 33.2MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-01-27 15:11:22,581 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 15:11:22,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5300.23ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 108.7MB in the beginning and 75.5MB in the end (delta: 33.2MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-01-27 15:11:22,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5300.23ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 108.7MB in the beginning and 75.5MB in the end (delta: 33.2MB). Peak memory consumption was 113.7MB. 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-dev-a340643-m [2024-01-27 15:11:24,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 15:11:24,340 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-01-27 15:11:24,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 15:11:24,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 15:11:24,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 15:11:24,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 15:11:24,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 15:11:24,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 15:11:24,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 15:11:24,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 15:11:24,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 15:11:24,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 15:11:24,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 15:11:24,380 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 15:11:24,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 15:11:24,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 15:11:24,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 15:11:24,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 15:11:24,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 15:11:24,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 15:11:24,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 15:11:24,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 15:11:24,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-01-27 15:11:24,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-01-27 15:11:24,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 15:11:24,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-01-27 15:11:24,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 15:11:24,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 15:11:24,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 15:11:24,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 15:11:24,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 15:11:24,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 15:11:24,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 15:11:24,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:11:24,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 15:11:24,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 15:11:24,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 15:11:24,387 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-01-27 15:11:24,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-01-27 15:11:24,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 15:11:24,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 15:11:24,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 15:11:24,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 15:11:24,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 15:11:24,388 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-01-27 15:11:24,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91daa8d5cc5238f65bbc84452f0f12c46d554694ab9be60624d6294c175b3d89 [2024-01-27 15:11:24,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 15:11:24,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 15:11:24,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 15:11:24,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 15:11:24,687 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 15:11:24,687 INFO L431 ainManager$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 [2024-01-27 15:11:25,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 15:11:26,175 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 15:11:26,176 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-01-27 15:11:26,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd879f1f/f56827c7cd674435a3f16e42906bf17f/FLAG732585356 [2024-01-27 15:11:26,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd879f1f/f56827c7cd674435a3f16e42906bf17f [2024-01-27 15:11:26,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 15:11:26,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-01-27 15:11:26,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 15:11:26,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 15:11:26,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 15:11:26,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:26" (1/1) ... [2024-01-27 15:11:26,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314f1ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:26, skipping insertion in model container [2024-01-27 15:11:26,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:26" (1/1) ... [2024-01-27 15:11:26,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:11:26,593 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_change_pc8736x_gpio_get.i[5469,5482] [2024-01-27 15:11:29,389 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:29,391 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:29,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:11:29,492 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-01-27 15:11:29,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:11:29,583 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_change_pc8736x_gpio_get.i[5469,5482] [2024-01-27 15:11:29,749 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:29,750 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:29,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:11:29,779 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 15:11:29,796 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_change_pc8736x_gpio_get.i[5469,5482] [2024-01-27 15:11:29,858 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 15:11:29,860 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 15:11:29,860 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 15:11:29,861 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 15:11:29,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-01-27 15:11:29,995 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:29,995 WARN L1574 CHandler]: Possible shadowing of function iminor [2024-01-27 15:11:30,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:11:30,325 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-01-27 15:11:30,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bbd26a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:30, skipping insertion in model container [2024-01-27 15:11:30,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 15:11:30,326 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-01-27 15:11:30,327 INFO L158 Benchmark]: Toolchain (without parser) took 4097.05ms. Allocated memory was 75.5MB in the beginning and 174.1MB in the end (delta: 98.6MB). Free memory was 47.4MB in the beginning and 63.1MB in the end (delta: -15.8MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2024-01-27 15:11:30,328 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 15:11:30,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4093.37ms. Allocated memory was 75.5MB in the beginning and 174.1MB in the end (delta: 98.6MB). Free memory was 47.1MB in the beginning and 63.1MB in the end (delta: -16.1MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2024-01-27 15:11:30,329 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 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4093.37ms. Allocated memory was 75.5MB in the beginning and 174.1MB in the end (delta: 98.6MB). Free memory was 47.1MB in the beginning and 63.1MB in the end (delta: -16.1MB). Peak memory consumption was 99.4MB. 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