./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:20:47,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:47,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:20:47,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:47,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:47,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:47,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:47,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:47,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:47,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:47,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:47,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:47,210 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:47,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:47,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:47,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:47,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:20:47,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:47,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:47,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:47,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:47,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:47,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:47,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:47,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:47,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:47,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:47,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:47,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:47,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:47,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:47,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:47,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:47,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:47,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:20:47,220 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:47,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:20:47,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:47,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:47,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:47,222 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:47,222 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:47,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:47,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:47,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:47,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:47,516 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:47,518 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:47,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.yml/witness.yml [2024-08-14 03:20:47,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:47,645 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:47,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-08-14 03:20:49,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:49,545 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:49,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-08-14 03:20:49,595 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/73de23589/b91db65921284bf7a901afad91e4de12/FLAGceec60a1b [2024-08-14 03:20:50,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/73de23589/b91db65921284bf7a901afad91e4de12 [2024-08-14 03:20:50,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:50,094 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:50,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:50,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:50,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:50,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:47" (1/2) ... [2024-08-14 03:20:50,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f59d50 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:50, skipping insertion in model container [2024-08-14 03:20:50,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:47" (1/2) ... [2024-08-14 03:20:50,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@770f18 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:50, skipping insertion in model container [2024-08-14 03:20:50,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:50" (2/2) ... [2024-08-14 03:20:50,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f59d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:50, skipping insertion in model container [2024-08-14 03:20:50,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:50" (2/2) ... [2024-08-14 03:20:50,105 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:50,168 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:50,170 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:50,170 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-14 03:20:50,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:20:50,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i[5469,5482] [2024-08-14 03:20:53,969 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:53,970 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:54,042 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:54,060 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:20:54,111 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i[5469,5482] [2024-08-14 03:20:54,343 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] [2024-08-14 03:20:54,345 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] [2024-08-14 03:20:54,346 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] [2024-08-14 03:20:54,346 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] [2024-08-14 03:20:54,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-14 03:20:54,506 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:54,506 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-14 03:20:54,521 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:55,017 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:20:55,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@770f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:55, skipping insertion in model container [2024-08-14 03:20:55,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:55,018 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:20:55,020 INFO L158 Benchmark]: Toolchain (without parser) took 4925.88ms. Allocated memory was 203.4MB in the beginning and 278.9MB in the end (delta: 75.5MB). Free memory was 167.8MB in the beginning and 163.0MB in the end (delta: 4.9MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2024-08-14 03:20:55,021 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 100.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:55,021 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:55,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4923.97ms. Allocated memory was 203.4MB in the beginning and 278.9MB in the end (delta: 75.5MB). Free memory was 167.8MB in the beginning and 163.0MB in the end (delta: 4.9MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2024-08-14 03:20:55,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 100.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4923.97ms. Allocated memory was 203.4MB in the beginning and 278.9MB in the end (delta: 75.5MB). Free memory was 167.8MB in the beginning and 163.0MB in the end (delta: 4.9MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:20:57,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:57,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-14 03:20:57,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:57,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:57,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:57,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:57,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:57,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:57,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:57,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:57,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:57,242 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:57,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:57,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:57,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:57,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:57,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:57,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:57,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:57,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:57,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 03:20:57,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:57,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 03:20:57,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:57,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:57,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:57,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:57,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:57,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:57,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:57,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:57,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:57,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:57,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:57,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 03:20:57,265 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:57,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 03:20:57,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:57,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:57,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:57,268 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:57,268 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:57,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 03:20:57,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:57,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:57,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:57,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:57,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:57,632 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:57,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-08-14 03:20:59,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:59,743 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:59,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-08-14 03:20:59,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e8d7edf29/20b1a98a6ecd4954a93c2b58d8af76c5/FLAGeaeaec8cc [2024-08-14 03:20:59,814 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e8d7edf29/20b1a98a6ecd4954a93c2b58d8af76c5 [2024-08-14 03:20:59,817 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:59,818 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:59,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.yml/witness.yml [2024-08-14 03:20:59,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:59,917 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:59,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:59,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:59,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:59,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:59" (1/2) ... [2024-08-14 03:20:59,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697f550f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:59, skipping insertion in model container [2024-08-14 03:20:59,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:59" (1/2) ... [2024-08-14 03:20:59,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a50e004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:59, skipping insertion in model container [2024-08-14 03:20:59,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:59" (2/2) ... [2024-08-14 03:20:59,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697f550f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:59, skipping insertion in model container [2024-08-14 03:20:59,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:59" (2/2) ... [2024-08-14 03:20:59,930 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:59,977 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:59,978 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:59,978 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-14 03:21:00,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:21:00,493 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i[5469,5482] [2024-08-14 03:21:04,282 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:21:04,283 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:21:04,356 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:21:04,383 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:21:04,469 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i[5469,5482] [2024-08-14 03:21:04,593 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] [2024-08-14 03:21:04,595 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] [2024-08-14 03:21:04,595 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] [2024-08-14 03:21:04,596 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] [2024-08-14 03:21:04,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-14 03:21:04,766 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:21:04,767 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-14 03:21:04,777 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:21:05,326 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:21:05,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a50e004 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:21:05, skipping insertion in model container [2024-08-14 03:21:05,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:21:05,327 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:21:05,331 INFO L158 Benchmark]: Toolchain (without parser) took 5411.47ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 29.3MB in the beginning and 79.6MB in the end (delta: -50.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-08-14 03:21:05,331 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 44.0MB. Free memory was 27.7MB in the beginning and 27.7MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:21:05,332 INFO L158 Benchmark]: Witness Parser took 0.82ms. Allocated memory is still 58.7MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:21:05,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5408.39ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 29.1MB in the beginning and 79.6MB in the end (delta: -50.5MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-08-14 03:21:05,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 44.0MB. Free memory was 27.7MB in the beginning and 27.7MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.82ms. Allocated memory is still 58.7MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5408.39ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 29.1MB in the beginning and 79.6MB in the end (delta: -50.5MB). Peak memory consumption was 90.9MB. 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