./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_set.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ac84cf24b5b5b9b16e5c2e8f7a5daf33df960b9d3f4360935af2cc06ca9d540 --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 21:36:28,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 21:36:28,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 21:36:28,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 21:36:28,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 21:36:29,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 21:36:29,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 21:36:29,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 21:36:29,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 21:36:29,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 21:36:29,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 21:36:29,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 21:36:29,014 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 21:36:29,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 21:36:29,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 21:36:29,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 21:36:29,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 21:36:29,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 21:36:29,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 21:36:29,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 21:36:29,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 21:36:29,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 21:36:29,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 21:36:29,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 21:36:29,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 21:36:29,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 21:36:29,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 21:36:29,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 21:36:29,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 21:36:29,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 21:36:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 21:36:29,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 21:36:29,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 21:36:29,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 21:36:29,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 21:36:29,022 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 21:36:29,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 21:36:29,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 21:36:29,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 21:36:29,025 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 21:36:29,025 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 21:36:29,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac84cf24b5b5b9b16e5c2e8f7a5daf33df960b9d3f4360935af2cc06ca9d540 [2024-09-08 21:36:29,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 21:36:29,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 21:36:29,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 21:36:29,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 21:36:29,324 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 21:36:29,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-09-08 21:36:30,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 21:36:31,272 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 21:36:31,273 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-09-08 21:36:31,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b55fed2fb/46fde8283c34471fa1c2f04d6f1098c7/FLAGf145e3827 [2024-09-08 21:36:31,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b55fed2fb/46fde8283c34471fa1c2f04d6f1098c7 [2024-09-08 21:36:31,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 21:36:31,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-08 21:36:31,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 21:36:31,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 21:36:31,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 21:36:31,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:36:31" (1/1) ... [2024-09-08 21:36:31,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d3004b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:36:31, skipping insertion in model container [2024-09-08 21:36:31,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:36:31" (1/1) ... [2024-09-08 21:36:31,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 21:36:31,852 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_set.i[5469,5482] [2024-09-08 21:36:34,999 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:35,002 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:35,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 21:36:35,108 INFO L200 MainTranslator]: Completed pre-run [2024-09-08 21:36:35,129 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_set.i[5469,5482] [2024-09-08 21:36:35,219 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] [2024-09-08 21:36:35,221 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] [2024-09-08 21:36:35,221 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] [2024-09-08 21:36:35,221 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] [2024-09-08 21:36:35,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-09-08 21:36:35,465 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:35,466 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:35,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 21:36:35,807 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-09-08 21:36:35,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@133e4c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:36:35, skipping insertion in model container [2024-09-08 21:36:35,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 21:36:35,809 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-08 21:36:35,810 INFO L158 Benchmark]: Toolchain (without parser) took 4460.73ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 74.0MB in the beginning and 182.1MB in the end (delta: -108.1MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2024-09-08 21:36:35,811 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 21:36:35,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4456.50ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 73.5MB in the beginning and 182.1MB in the end (delta: -108.6MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2024-09-08 21:36:35,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4456.50ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 73.5MB in the beginning and 182.1MB in the end (delta: -108.6MB). Peak memory consumption was 90.4MB. 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ac84cf24b5b5b9b16e5c2e8f7a5daf33df960b9d3f4360935af2cc06ca9d540 --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 21:36:37,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 21:36:37,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-08 21:36:37,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 21:36:37,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 21:36:38,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 21:36:38,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 21:36:38,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 21:36:38,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 21:36:38,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 21:36:38,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 21:36:38,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 21:36:38,004 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 21:36:38,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 21:36:38,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 21:36:38,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 21:36:38,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 21:36:38,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 21:36:38,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 21:36:38,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 21:36:38,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 21:36:38,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-08 21:36:38,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 21:36:38,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-08 21:36:38,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 21:36:38,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 21:36:38,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 21:36:38,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 21:36:38,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 21:36:38,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 21:36:38,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 21:36:38,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 21:36:38,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 21:36:38,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 21:36:38,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 21:36:38,016 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-08 21:36:38,016 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 21:36:38,016 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-08 21:36:38,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 21:36:38,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 21:36:38,018 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 21:36:38,018 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 21:36:38,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-08 21:36:38,018 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac84cf24b5b5b9b16e5c2e8f7a5daf33df960b9d3f4360935af2cc06ca9d540 [2024-09-08 21:36:38,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 21:36:38,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 21:36:38,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 21:36:38,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 21:36:38,409 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 21:36:38,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-09-08 21:36:39,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 21:36:40,491 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 21:36:40,492 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-09-08 21:36:40,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d27a548fe/c23113ee54f44721ad3994202e3d6d5c/FLAG1b27e7c54 [2024-09-08 21:36:40,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d27a548fe/c23113ee54f44721ad3994202e3d6d5c [2024-09-08 21:36:40,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 21:36:40,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-08 21:36:40,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 21:36:40,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 21:36:40,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 21:36:40,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:36:40" (1/1) ... [2024-09-08 21:36:40,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a674b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:36:40, skipping insertion in model container [2024-09-08 21:36:40,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:36:40" (1/1) ... [2024-09-08 21:36:40,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 21:36:41,104 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_set.i[5469,5482] [2024-09-08 21:36:44,306 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:44,306 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:44,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 21:36:44,422 INFO L200 MainTranslator]: Completed pre-run [2024-09-08 21:36:44,444 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_set.i[5469,5482] [2024-09-08 21:36:44,548 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] [2024-09-08 21:36:44,550 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] [2024-09-08 21:36:44,550 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] [2024-09-08 21:36:44,550 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] [2024-09-08 21:36:44,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-09-08 21:36:44,699 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:44,699 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-08 21:36:44,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 21:36:45,277 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-09-08 21:36:45,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6143e20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:36:45, skipping insertion in model container [2024-09-08 21:36:45,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 21:36:45,278 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-08 21:36:45,280 INFO L158 Benchmark]: Toolchain (without parser) took 4714.34ms. Allocated memory was 69.2MB in the beginning and 119.5MB in the end (delta: 50.3MB). Free memory was 36.0MB in the beginning and 32.7MB in the end (delta: 3.4MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-09-08 21:36:45,280 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 29.6MB in the beginning and 29.5MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 21:36:45,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4710.74ms. Allocated memory was 69.2MB in the beginning and 119.5MB in the end (delta: 50.3MB). Free memory was 35.8MB in the beginning and 32.7MB in the end (delta: 3.1MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-09-08 21:36:45,286 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 29.6MB in the beginning and 29.5MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4710.74ms. Allocated memory was 69.2MB in the beginning and 119.5MB in the end (delta: 50.3MB). Free memory was 35.8MB in the beginning and 32.7MB in the end (delta: 3.1MB). Peak memory consumption was 67.4MB. 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