./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:25:44,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:25:44,268 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:25:44,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:25:44,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:25:44,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:25:44,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:25:44,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:25:44,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:25:44,303 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:25:44,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:25:44,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:25:44,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:25:44,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:25:44,306 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:25:44,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:25:44,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:25:44,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:25:44,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:25:44,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:25:44,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:25:44,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:25:44,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:25:44,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:25:44,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:25:44,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:25:44,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:25:44,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:25:44,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:25:44,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:25:44,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:25:44,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:25:44,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:25:44,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:25:44,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:25:44,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:25:44,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:25:44,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:25:44,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:25:44,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:25:44,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:25:44,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:25:44,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:25:44,312 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:25:44,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:25:44,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:25:44,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:25:44,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:25:44,532 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:25:44,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 14:25:45,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:25:45,811 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:25:45,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 14:25:45,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1163c5b89/c0a83e46b97340b98bf43ca5c7e2d424/FLAG914b24b22 [2024-02-07 14:25:45,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1163c5b89/c0a83e46b97340b98bf43ca5c7e2d424 [2024-02-07 14:25:45,856 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:25:45,868 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:25:45,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-02-07 14:25:45,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:25:45,958 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:25:45,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:45,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:25:45,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:25:45,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:45" (1/2) ... [2024-02-07 14:25:45,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5d4c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:45, skipping insertion in model container [2024-02-07 14:25:45,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:45" (1/2) ... [2024-02-07 14:25:45,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34c6b8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:45, skipping insertion in model container [2024-02-07 14:25:45,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:45" (2/2) ... [2024-02-07 14:25:45,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5d4c0f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:45, skipping insertion in model container [2024-02-07 14:25:45,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:45" (2/2) ... [2024-02-07 14:25:45,967 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:25:46,337 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:25:46,338 INFO L76 edCorrectnessWitness]: Location invariant before [L443-L443] (((0 <= lock->locked) && (lock->locked <= 1)) && (lock->init == 1)) && (lock->locked == 0 || lock->locked == 1) [2024-02-07 14:25:46,338 INFO L76 edCorrectnessWitness]: Location invariant before [L6714-L6714] buf == p [2024-02-07 14:25:46,338 INFO L76 edCorrectnessWitness]: Location invariant before [L6784-L6784] ret == 0 [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L6779-L6779] 0 == ret [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L6713-L6713] buf == p [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L6647-L6647] arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n" [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L6548-L6548] 1 == arg0 [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L6715-L6715] buf == p [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L6783-L6783] ret == 0 [2024-02-07 14:25:46,339 INFO L76 edCorrectnessWitness]: Location invariant before [L461-L461] (((0 <= lock->locked) && (lock->locked <= 1)) && (lock->init == 1)) && (lock->locked == 0 || lock->locked == 1) [2024-02-07 14:25:46,340 INFO L76 edCorrectnessWitness]: Location invariant before [L444-L444] (((0 <= lock->locked) && (lock->locked <= 1)) && (lock->init == 1)) && (lock->locked == 0 || lock->locked == 1) [2024-02-07 14:25:46,340 INFO L76 edCorrectnessWitness]: Location invariant before [L6760-L6760] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 14:25:46,340 INFO L76 edCorrectnessWitness]: Location invariant before [L6777-L6778] (0 == ret) && (ret == 0) [2024-02-07 14:25:46,340 INFO L76 edCorrectnessWitness]: Location invariant before [L6759-L6759] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 14:25:46,340 INFO L76 edCorrectnessWitness]: Location invariant before [L6716-L6716] buf == p [2024-02-07 14:25:46,340 INFO L76 edCorrectnessWitness]: Location invariant after [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 14:25:46,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:25:46,672 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-02-07 14:25:49,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:25:49,231 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:25:49,248 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:25:49,348 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] [2024-02-07 14:25:49,351 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] [2024-02-07 14:25:49,351 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] [2024-02-07 14:25:49,351 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] [2024-02-07 14:25:49,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Syntax error [2024-02-07 14:25:49,444 ERROR L325 MainTranslator]: Unsupported Syntax: Unable to instrument "arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n"" at C: return __VERIFIER_nondet_int(); [6647] (Syntax Error: #0[error](0/32 - 0/33)) [2024-02-07 14:25:49,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34c6b8f3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:49, skipping insertion in model container [2024-02-07 14:25:49,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:49,445 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-02-07 14:25:49,447 INFO L158 Benchmark]: Toolchain (without parser) took 3487.51ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 58.6MB in the beginning and 122.7MB in the end (delta: -64.1MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2024-02-07 14:25:49,448 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:49,449 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:49,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3485.73ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 58.2MB in the beginning and 122.7MB in the end (delta: -64.4MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2024-02-07 14:25:49,451 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3485.73ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 58.2MB in the beginning and 122.7MB in the end (delta: -64.4MB). Peak memory consumption was 84.0MB. 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: 6647]: Unsupported Syntax Unable to instrument "arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n"" at C: return __VERIFIER_nondet_int(); [6647] (Syntax Error: #0[error](0/32 - 0/33)) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:25:51,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:25:51,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-02-07 14:25:51,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:25:51,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:25:51,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:25:51,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:25:51,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:25:51,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:25:51,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:25:51,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:25:51,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:25:51,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:25:51,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:25:51,195 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:25:51,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:25:51,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:25:51,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:25:51,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:25:51,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:25:51,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:25:51,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:25:51,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:25:51,198 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-02-07 14:25:51,198 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-02-07 14:25:51,198 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:25:51,198 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-02-07 14:25:51,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:25:51,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:25:51,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:25:51,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:25:51,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:25:51,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:25:51,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:25:51,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:25:51,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:25:51,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:25:51,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:25:51,208 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-02-07 14:25:51,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-02-07 14:25:51,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:25:51,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:25:51,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:25:51,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:25:51,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:25:51,210 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-02-07 14:25:51,210 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:25:51,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:25:51,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:25:51,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:25:51,478 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:25:51,478 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:25:51,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 14:25:52,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:25:52,946 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:25:52,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 14:25:52,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93dc30577/de413824219f4b589ac4224477b14351/FLAG5b91ac127 [2024-02-07 14:25:52,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93dc30577/de413824219f4b589ac4224477b14351 [2024-02-07 14:25:52,996 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:25:52,996 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:25:52,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-02-07 14:25:53,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:25:53,102 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:25:53,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:53,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:25:53,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:25:53,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:52" (1/2) ... [2024-02-07 14:25:53,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0dd6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:53, skipping insertion in model container [2024-02-07 14:25:53,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:25:52" (1/2) ... [2024-02-07 14:25:53,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e3fb517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:25:53, skipping insertion in model container [2024-02-07 14:25:53,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:53" (2/2) ... [2024-02-07 14:25:53,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0dd6d7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:53, skipping insertion in model container [2024-02-07 14:25:53,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:25:53" (2/2) ... [2024-02-07 14:25:53,109 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:25:53,386 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:25:53,387 INFO L76 edCorrectnessWitness]: Location invariant before [L6784-L6784] ret == 0 [2024-02-07 14:25:53,387 INFO L76 edCorrectnessWitness]: Location invariant before [L6783-L6783] ret == 0 [2024-02-07 14:25:53,387 INFO L76 edCorrectnessWitness]: Location invariant before [L6714-L6714] buf == p [2024-02-07 14:25:53,387 INFO L76 edCorrectnessWitness]: Location invariant before [L6777-L6778] (0 == ret) && (ret == 0) [2024-02-07 14:25:53,387 INFO L76 edCorrectnessWitness]: Location invariant before [L444-L444] (((0 <= lock->locked) && (lock->locked <= 1)) && (lock->init == 1)) && (lock->locked == 0 || lock->locked == 1) [2024-02-07 14:25:53,387 INFO L76 edCorrectnessWitness]: Location invariant before [L6715-L6715] buf == p [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant before [L6759-L6759] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant after [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant before [L6713-L6713] buf == p [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant before [L6760-L6760] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant before [L6548-L6548] 1 == arg0 [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant before [L443-L443] (((0 <= lock->locked) && (lock->locked <= 1)) && (lock->init == 1)) && (lock->locked == 0 || lock->locked == 1) [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant before [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 14:25:53,388 INFO L76 edCorrectnessWitness]: Location invariant before [L6647-L6647] arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n" [2024-02-07 14:25:53,389 INFO L76 edCorrectnessWitness]: Location invariant before [L461-L461] (((0 <= lock->locked) && (lock->locked <= 1)) && (lock->init == 1)) && (lock->locked == 0 || lock->locked == 1) [2024-02-07 14:25:53,389 INFO L76 edCorrectnessWitness]: Location invariant before [L6779-L6779] 0 == ret [2024-02-07 14:25:53,389 INFO L76 edCorrectnessWitness]: Location invariant before [L6716-L6716] buf == p [2024-02-07 14:25:53,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:25:53,719 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-02-07 14:25:56,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:25:56,105 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-02-07 14:25:56,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:25:56,149 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-02-07 14:25:56,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:25:56,353 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:25:56,372 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:25:56,494 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] [2024-02-07 14:25:56,495 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] [2024-02-07 14:25:56,496 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] [2024-02-07 14:25:56,497 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] [2024-02-07 14:25:56,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Syntax error [2024-02-07 14:25:56,677 ERROR L325 MainTranslator]: Unsupported Syntax: Unable to instrument "arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n"" at C: return __VERIFIER_nondet_int(); [6647] (Syntax Error: #0[error](0/32 - 0/33)) [2024-02-07 14:25:56,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e3fb517 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:25:56, skipping insertion in model container [2024-02-07 14:25:56,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:25:56,678 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-02-07 14:25:56,680 INFO L158 Benchmark]: Toolchain (without parser) took 3577.47ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 30.0MB in the beginning and 53.9MB in the end (delta: -23.9MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-02-07 14:25:56,680 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:56,681 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 62.9MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:25:56,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3575.88ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 29.8MB in the beginning and 53.9MB in the end (delta: -24.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-02-07 14:25:56,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 62.9MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3575.88ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 29.8MB in the beginning and 53.9MB in the end (delta: -24.1MB). Peak memory consumption was 57.1MB. 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: 6647]: Unsupported Syntax Unable to instrument "arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n"" at C: return __VERIFIER_nondet_int(); [6647] (Syntax Error: #0[error](0/32 - 0/33)) 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