./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_get.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.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_get.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.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 [2024-08-13 13:36:22,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 13:36:22,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 13:36:22,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 13:36:22,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 13:36:22,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 13:36:22,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 13:36:22,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 13:36:22,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 13:36:22,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 13:36:22,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 13:36:22,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 13:36:22,129 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 13:36:22,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 13:36:22,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 13:36:22,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 13:36:22,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 13:36:22,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 13:36:22,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 13:36:22,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 13:36:22,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 13:36:22,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 13:36:22,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 13:36:22,133 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 13:36:22,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 13:36:22,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 13:36:22,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 13:36:22,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 13:36:22,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 13:36:22,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 13:36:22,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 13:36:22,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 13:36:22,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 13:36:22,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 13:36:22,137 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 13:36:22,138 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 13:36:22,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 13:36:22,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 13:36:22,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 13:36:22,139 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 13:36:22,140 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 13:36:22,141 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 13:36:22,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 13:36:22,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 13:36:22,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 13:36:22,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 13:36:22,424 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 13:36:22,425 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 13:36:22,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.yml/witness.yml [2024-08-13 13:36:22,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 13:36:22,527 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 13:36:22,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2024-08-13 13:36:24,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 13:36:24,490 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 13:36:24,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2024-08-13 13:36:24,537 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a529d92f9/28579b352d894df8bf0ea99a25e687b8/FLAGb3fb0c481 [2024-08-13 13:36:24,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a529d92f9/28579b352d894df8bf0ea99a25e687b8 [2024-08-13 13:36:24,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 13:36:24,597 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 13:36:24,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:24,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 13:36:24,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 13:36:24,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:22" (1/2) ... [2024-08-13 13:36:24,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2174583f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:24, skipping insertion in model container [2024-08-13 13:36:24,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:22" (1/2) ... [2024-08-13 13:36:24,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f4051cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:24, skipping insertion in model container [2024-08-13 13:36:24,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:24" (2/2) ... [2024-08-13 13:36:24,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2174583f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:24, skipping insertion in model container [2024-08-13 13:36:24,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:24" (2/2) ... [2024-08-13 13:36:24,610 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 13:36:24,692 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 13:36:24,693 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 13:36:24,696 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-13 13:36:24,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 13:36:25,186 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_get.i[5469,5482] [2024-08-13 13:36:29,333 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:29,334 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:29,419 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:29,434 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-13 13:36:29,478 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_get.i[5469,5482] [2024-08-13 13:36:29,586 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] [2024-08-13 13:36:29,588 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] [2024-08-13 13:36:29,588 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] [2024-08-13 13:36:29,589 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] [2024-08-13 13:36:29,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-13 13:36:29,858 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:29,862 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-13 13:36:29,907 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:30,477 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-13 13:36:30,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f4051cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:30, skipping insertion in model container [2024-08-13 13:36:30,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:30,480 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 13:36:30,482 INFO L158 Benchmark]: Toolchain (without parser) took 5883.71ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 73.7MB in the beginning and 79.7MB in the end (delta: -6.0MB). Peak memory consumption was 146.4MB. Max. memory is 16.1GB. [2024-08-13 13:36:30,482 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:30,482 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:30,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5881.31ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 73.4MB in the beginning and 79.7MB in the end (delta: -6.3MB). Peak memory consumption was 144.3MB. Max. memory is 16.1GB. [2024-08-13 13:36:30,485 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 0.21ms. Allocated memory is still 144.7MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5881.31ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 73.4MB in the beginning and 79.7MB in the end (delta: -6.3MB). Peak memory consumption was 144.3MB. 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_get.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.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 [2024-08-13 13:36:32,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 13:36:32,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 13:36:32,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 13:36:32,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 13:36:32,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 13:36:32,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 13:36:32,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 13:36:32,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 13:36:32,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 13:36:32,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 13:36:32,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 13:36:32,613 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 13:36:32,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 13:36:32,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 13:36:32,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 13:36:32,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 13:36:32,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 13:36:32,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 13:36:32,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 13:36:32,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 13:36:32,616 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 13:36:32,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 13:36:32,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 13:36:32,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 13:36:32,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 13:36:32,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 13:36:32,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 13:36:32,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 13:36:32,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 13:36:32,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 13:36:32,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 13:36:32,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 13:36:32,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 13:36:32,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 13:36:32,620 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 13:36:32,621 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 13:36:32,621 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 13:36:32,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 13:36:32,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 13:36:32,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 13:36:32,622 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 13:36:32,622 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 13:36:32,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 13:36:32,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 13:36:32,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 13:36:32,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 13:36:32,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 13:36:32,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 13:36:32,972 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 13:36:32,973 INFO L431 ainManager$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_get.i [2024-08-13 13:36:34,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 13:36:35,121 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 13:36:35,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2024-08-13 13:36:35,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/13f842dc1/81966c0169c34bc9b72e81a3fb4fdf91/FLAG74f1dc0b4 [2024-08-13 13:36:35,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/13f842dc1/81966c0169c34bc9b72e81a3fb4fdf91 [2024-08-13 13:36:35,680 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 13:36:35,680 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 13:36:35,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.yml/witness.yml [2024-08-13 13:36:35,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 13:36:35,798 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 13:36:35,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:35,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 13:36:35,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 13:36:35,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:35" (1/2) ... [2024-08-13 13:36:35,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc27aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:35, skipping insertion in model container [2024-08-13 13:36:35,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:35" (1/2) ... [2024-08-13 13:36:35,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2379edaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:35, skipping insertion in model container [2024-08-13 13:36:35,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:35" (2/2) ... [2024-08-13 13:36:35,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc27aff and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:35, skipping insertion in model container [2024-08-13 13:36:35,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:35" (2/2) ... [2024-08-13 13:36:35,807 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 13:36:35,858 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 13:36:35,859 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 13:36:35,860 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-13 13:36:35,979 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 13:36:36,321 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2024-08-13 13:36:40,022 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:40,023 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:40,109 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:40,131 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-13 13:36:40,179 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_get.i[5469,5482] [2024-08-13 13:36:40,318 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] [2024-08-13 13:36:40,320 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] [2024-08-13 13:36:40,320 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] [2024-08-13 13:36:40,321 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] [2024-08-13 13:36:40,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-13 13:36:40,491 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:40,492 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-13 13:36:40,503 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:41,015 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-13 13:36:41,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2379edaf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:41, skipping insertion in model container [2024-08-13 13:36:41,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:41,020 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 13:36:41,023 INFO L158 Benchmark]: Toolchain (without parser) took 5222.30ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 33.3MB in the beginning and 54.3MB in the end (delta: -21.0MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-08-13 13:36:41,023 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 46.1MB. Free memory was 23.0MB in the beginning and 23.0MB in the end (delta: 78.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:41,024 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 67.1MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:41,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5220.24ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 33.1MB in the beginning and 54.3MB in the end (delta: -21.2MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-08-13 13:36:41,026 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 46.1MB. Free memory was 23.0MB in the beginning and 23.0MB in the end (delta: 78.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 67.1MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5220.24ms. Allocated memory was 67.1MB in the beginning and 125.8MB in the end (delta: 58.7MB). Free memory was 33.1MB in the beginning and 54.3MB in the end (delta: -21.2MB). Peak memory consumption was 68.4MB. 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