./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 --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml --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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 23:59:35,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 23:59:35,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 23:59:35,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 23:59:35,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 23:59:35,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 23:59:35,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 23:59:35,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 23:59:35,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 23:59:35,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 23:59:35,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 23:59:35,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 23:59:35,405 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 23:59:35,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 23:59:35,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 23:59:35,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 23:59:35,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 23:59:35,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 23:59:35,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 23:59:35,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 23:59:35,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 23:59:35,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 23:59:35,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 23:59:35,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 23:59:35,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 23:59:35,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 23:59:35,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 23:59:35,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 23:59:35,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 23:59:35,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 23:59:35,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 23:59:35,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 23:59:35,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 23:59:35,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 23:59:35,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 23:59:35,413 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 23:59:35,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 23:59:35,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 23:59:35,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 23:59:35,414 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 23:59:35,414 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 23:59:35,416 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 23:59:35,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 23:59:35,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 23:59:35,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 23:59:35,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 23:59:35,644 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 23:59:35,645 INFO L431 ainManager$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 [2024-09-07 23:59:36,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 23:59:37,190 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 23:59:37,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-09-07 23:59:37,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/89e8a6e1d/397eb5035762415384370b788041499b/FLAG81c10ef8c [2024-09-07 23:59:37,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/89e8a6e1d/397eb5035762415384370b788041499b [2024-09-07 23:59:37,246 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 23:59:37,248 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 23:59:37,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml [2024-09-07 23:59:37,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 23:59:37,305 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 23:59:37,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 23:59:37,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 23:59:37,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 23:59:37,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:59:37" (1/2) ... [2024-09-07 23:59:37,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acdf02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:59:37, skipping insertion in model container [2024-09-07 23:59:37,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:59:37" (1/2) ... [2024-09-07 23:59:37,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@796d2159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:59:37, skipping insertion in model container [2024-09-07 23:59:37,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 11:59:37" (2/2) ... [2024-09-07 23:59:37,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acdf02a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 11:59:37, skipping insertion in model container [2024-09-07 23:59:37,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 11:59:37" (2/2) ... [2024-09-07 23:59:37,480 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 23:59:37,481 INFO L1541 ArrayList]: Location invariant before [L7078-L7078] ((((((! multithreaded || 0 <= whoop_int) && (! multithreaded || jiffies == 0UL)) && (! multithreaded || (((((((-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL && (-7LL + (long long )selected_device) + (long long )whoop_int >= 0LL) && (-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (78LL - (long long )superio_cmd) + (long long )whoop_int >= 0LL) && (255LL - (long long )selected_device) + (long long )whoop_int >= 0LL) && (long long )superio_cmd + (long long )whoop_int >= 0LL))) && (! multithreaded || _whoop_init == & pc8736x_gpio_init)) && (! multithreaded || ((((0 <= whoop_int && _whoop_init == & pc8736x_gpio_init) && _whoop_exit == & pc8736x_gpio_cleanup) && jiffies == 0UL) && (unsigned int )default_alloc_size == 4U))) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || (unsigned int )default_alloc_size == 4U) [2024-09-07 23:59:37,481 INFO L1541 ArrayList]: Location invariant before [L7077-L7077] ((((((! multithreaded || 0 <= whoop_int) && (! multithreaded || jiffies == 0UL)) && (! multithreaded || (((((((-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL && (-7LL + (long long )selected_device) + (long long )whoop_int >= 0LL) && (-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (78LL - (long long )superio_cmd) + (long long )whoop_int >= 0LL) && (255LL - (long long )selected_device) + (long long )whoop_int >= 0LL) && (long long )superio_cmd + (long long )whoop_int >= 0LL))) && (! multithreaded || _whoop_init == & pc8736x_gpio_init)) && (! multithreaded || ((((0 <= whoop_int && _whoop_init == & pc8736x_gpio_init) && _whoop_exit == & pc8736x_gpio_cleanup) && jiffies == 0UL) && (unsigned int )default_alloc_size == 4U))) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || (unsigned int )default_alloc_size == 4U) [2024-09-07 23:59:37,481 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 23:59:37,481 INFO L1541 ArrayList]: ghost_update [L7076-L7076] multithreaded = 1; [2024-09-07 23:59:37,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 23:59:40,041 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-07 23:59:40,042 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-07 23:59:40,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 23:59:40,154 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-07 23:59:40,292 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] [2024-09-07 23:59:40,294 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] [2024-09-07 23:59:40,294 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] [2024-09-07 23:59:40,295 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] [2024-09-07 23:59:40,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-09-07 23:59:40,387 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-07 23:59:40,388 WARN L1663 CHandler]: Possible shadowing of function iminor Start Parsing Local Start Parsing Local [2024-09-07 23:59:40,403 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: pc8736x_gpio_init [2024-09-07 23:59:40,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@796d2159 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 11:59:40, skipping insertion in model container [2024-09-07 23:59:40,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 23:59:40,404 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-07 23:59:40,406 INFO L158 Benchmark]: Toolchain (without parser) took 3100.35ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 72.8MB in the beginning and 114.6MB in the end (delta: -41.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-07 23:59:40,406 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 23:59:40,406 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 23:59:40,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3093.11ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 72.7MB in the beginning and 114.6MB in the end (delta: -41.9MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-07 23:59:40,408 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3093.11ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 72.7MB in the beginning and 114.6MB in the end (delta: -41.9MB). Peak memory consumption was 79.7MB. 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] - SyntaxErrorResult [Line: 7077]: Incorrect Syntax Undeclared variable in ACSL expression: pc8736x_gpio_init RESULT: Ultimate could not prove your program: Incorrect Syntax 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_change_pc8736x_gpio_set.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 23:59:41,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 23:59:42,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-07 23:59:42,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 23:59:42,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 23:59:42,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 23:59:42,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 23:59:42,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 23:59:42,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 23:59:42,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 23:59:42,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 23:59:42,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 23:59:42,040 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 23:59:42,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 23:59:42,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 23:59:42,040 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 23:59:42,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 23:59:42,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 23:59:42,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 23:59:42,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 23:59:42,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 23:59:42,042 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-07 23:59:42,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 23:59:42,042 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-07 23:59:42,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 23:59:42,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 23:59:42,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 23:59:42,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 23:59:42,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 23:59:42,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 23:59:42,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 23:59:42,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 23:59:42,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 23:59:42,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 23:59:42,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 23:59:42,044 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-07 23:59:42,052 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 23:59:42,053 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-07 23:59:42,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 23:59:42,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 23:59:42,054 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 23:59:42,054 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 23:59:42,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-07 23:59:42,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 23:59:42,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 23:59:42,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 23:59:42,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 23:59:42,304 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 23:59:42,304 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 23:59:42,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml [2024-09-07 23:59:42,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 23:59:42,361 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 23:59:42,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-09-07 23:59:43,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 23:59:44,063 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 23:59:44,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-09-07 23:59:44,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e301b3d89/27330f3f7a084ec29a5df500137d8541/FLAG9e07b183a [2024-09-07 23:59:44,234 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e301b3d89/27330f3f7a084ec29a5df500137d8541 [2024-09-07 23:59:44,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 23:59:44,237 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 23:59:44,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 23:59:44,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 23:59:44,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 23:59:44,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 11:59:42" (1/2) ... [2024-09-07 23:59:44,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa4265a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 11:59:44, skipping insertion in model container [2024-09-07 23:59:44,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 11:59:42" (1/2) ... [2024-09-07 23:59:44,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77bbe2d7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 11:59:44, skipping insertion in model container [2024-09-07 23:59:44,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:59:44" (2/2) ... [2024-09-07 23:59:44,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa4265a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:59:44, skipping insertion in model container [2024-09-07 23:59:44,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:59:44" (2/2) ... [2024-09-07 23:59:44,409 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 23:59:44,409 INFO L1541 ArrayList]: Location invariant before [L7077-L7077] ((((((! multithreaded || 0 <= whoop_int) && (! multithreaded || jiffies == 0UL)) && (! multithreaded || (((((((-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL && (-7LL + (long long )selected_device) + (long long )whoop_int >= 0LL) && (-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (78LL - (long long )superio_cmd) + (long long )whoop_int >= 0LL) && (255LL - (long long )selected_device) + (long long )whoop_int >= 0LL) && (long long )superio_cmd + (long long )whoop_int >= 0LL))) && (! multithreaded || _whoop_init == & pc8736x_gpio_init)) && (! multithreaded || ((((0 <= whoop_int && _whoop_init == & pc8736x_gpio_init) && _whoop_exit == & pc8736x_gpio_cleanup) && jiffies == 0UL) && (unsigned int )default_alloc_size == 4U))) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || (unsigned int )default_alloc_size == 4U) [2024-09-07 23:59:44,409 INFO L1541 ArrayList]: Location invariant before [L7078-L7078] ((((((! multithreaded || 0 <= whoop_int) && (! multithreaded || jiffies == 0UL)) && (! multithreaded || (((((((-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL && (-7LL + (long long )selected_device) + (long long )whoop_int >= 0LL) && (-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL) && (78LL - (long long )superio_cmd) + (long long )whoop_int >= 0LL) && (255LL - (long long )selected_device) + (long long )whoop_int >= 0LL) && (long long )superio_cmd + (long long )whoop_int >= 0LL))) && (! multithreaded || _whoop_init == & pc8736x_gpio_init)) && (! multithreaded || ((((0 <= whoop_int && _whoop_init == & pc8736x_gpio_init) && _whoop_exit == & pc8736x_gpio_cleanup) && jiffies == 0UL) && (unsigned int )default_alloc_size == 4U))) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || (unsigned int )default_alloc_size == 4U) [2024-09-07 23:59:44,409 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 23:59:44,409 INFO L1541 ArrayList]: ghost_update [L7076-L7076] multithreaded = 1; [2024-09-07 23:59:44,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 23:59:47,199 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-07 23:59:47,200 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-07 23:59:47,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 23:59:47,269 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-07 23:59:47,379 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] [2024-09-07 23:59:47,381 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] [2024-09-07 23:59:47,381 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] [2024-09-07 23:59:47,381 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] [2024-09-07 23:59:47,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-09-07 23:59:47,506 WARN L1663 CHandler]: Possible shadowing of function iminor [2024-09-07 23:59:47,506 WARN L1663 CHandler]: Possible shadowing of function iminor Start Parsing Local Start Parsing Local [2024-09-07 23:59:47,521 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: pc8736x_gpio_init [2024-09-07 23:59:47,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77bbe2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:59:47, skipping insertion in model container [2024-09-07 23:59:47,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 23:59:47,523 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-07 23:59:47,524 INFO L158 Benchmark]: Toolchain (without parser) took 3286.50ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 27.7MB in the beginning and 30.4MB in the end (delta: -2.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-09-07 23:59:47,525 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 23:59:47,525 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 23:59:47,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3283.39ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 27.5MB in the beginning and 30.4MB in the end (delta: -2.9MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-09-07 23:59:47,527 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 0.28ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3283.39ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 27.5MB in the beginning and 30.4MB in the end (delta: -2.9MB). Peak memory consumption was 44.5MB. 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] - SyntaxErrorResult [Line: 7077]: Incorrect Syntax Undeclared variable in ACSL expression: pc8736x_gpio_init RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN