./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 e7c74aec 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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:05:23,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:05:23,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:05:23,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:05:23,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:05:23,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:05:23,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:05:23,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:05:23,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:05:23,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:05:23,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:05:23,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:05:23,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:05:23,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:05:23,542 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:05:23,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:05:23,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:05:23,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:05:23,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:05:23,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:05:23,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:05:23,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:05:23,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:05:23,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:05:23,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:05:23,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:05:23,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:05:23,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:05:23,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:05:23,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:05:23,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:05:23,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:05:23,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:05:23,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:05:23,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:05:23,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:05:23,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:05:23,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:05:23,551 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:05:23,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:05:23,552 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:05:23,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:05:23,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:05:23,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:05:23,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:05:23,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:05:23,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:05:23,851 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:05:23,852 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:05:23,853 INFO L431 ainManager$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 19:05:23,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:05:23,958 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:05:23,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 19:05:25,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:05:25,978 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:05:25,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 19:05:26,037 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cc8b7301/40de00cc3ff5412ab0a4cfc6deb57183/FLAG0333b37cb [2024-02-07 19:05:26,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cc8b7301/40de00cc3ff5412ab0a4cfc6deb57183 [2024-02-07 19:05:26,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:05:26,062 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:05:26,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:26,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:05:26,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:05:26,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:23" (1/2) ... [2024-02-07 19:05:26,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d291ed9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:26, skipping insertion in model container [2024-02-07 19:05:26,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:23" (1/2) ... [2024-02-07 19:05:26,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7612da2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:26, skipping insertion in model container [2024-02-07 19:05:26,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:26" (2/2) ... [2024-02-07 19:05:26,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d291ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:26, skipping insertion in model container [2024-02-07 19:05:26,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:26" (2/2) ... [2024-02-07 19:05:26,074 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:05:26,646 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:05:26,647 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 19:05:26,647 INFO L76 edCorrectnessWitness]: Location invariant before [L6777-L6778] (0 == ret) && (ret == 0) [2024-02-07 19:05:26,647 INFO L76 edCorrectnessWitness]: Location invariant before [L6779-L6779] 0 == ret [2024-02-07 19:05:26,648 INFO L76 edCorrectnessWitness]: Location invariant before [L6715-L6715] buf == p [2024-02-07 19:05:26,648 INFO L76 edCorrectnessWitness]: Location invariant before [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 19:05:26,648 INFO L76 edCorrectnessWitness]: Location invariant before [L6713-L6713] buf == p [2024-02-07 19:05:26,648 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 19:05:26,648 INFO L76 edCorrectnessWitness]: Location invariant before [L6714-L6714] buf == p [2024-02-07 19:05:26,649 INFO L76 edCorrectnessWitness]: Location invariant before [L6783-L6783] ret == 0 [2024-02-07 19:05:26,649 INFO L76 edCorrectnessWitness]: Location invariant after [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 19:05:26,649 INFO L76 edCorrectnessWitness]: Location invariant before [L6716-L6716] buf == p [2024-02-07 19:05:26,649 INFO L76 edCorrectnessWitness]: Location invariant before [L6647-L6647] arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n" [2024-02-07 19:05:26,649 INFO L76 edCorrectnessWitness]: Location invariant before [L6759-L6759] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 19:05:26,649 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 19:05:26,650 INFO L76 edCorrectnessWitness]: Location invariant before [L6760-L6760] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 19:05:26,650 INFO L76 edCorrectnessWitness]: Location invariant before [L6548-L6548] 1 == arg0 [2024-02-07 19:05:26,650 INFO L76 edCorrectnessWitness]: Location invariant before [L6784-L6784] ret == 0 [2024-02-07 19:05:26,743 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:05:27,121 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 19:05:32,491 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:05:32,503 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:05:32,519 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 19:05:32,730 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 19:05:32,733 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 19:05:32,733 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 19:05:32,733 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 19:05:32,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Syntax error [2024-02-07 19:05:32,898 ERROR L361 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 19:05:32,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7612da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:32, skipping insertion in model container [2024-02-07 19:05:32,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:32,899 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-02-07 19:05:32,901 INFO L158 Benchmark]: Toolchain (without parser) took 6838.72ms. Allocated memory was 180.4MB in the beginning and 251.7MB in the end (delta: 71.3MB). Free memory was 108.1MB in the beginning and 166.2MB in the end (delta: -58.1MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-02-07 19:05:32,901 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 146.0MB in the end (delta: 134.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:32,902 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:32,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6836.15ms. Allocated memory was 180.4MB in the beginning and 251.7MB in the end (delta: 71.3MB). Free memory was 107.8MB in the beginning and 166.2MB in the end (delta: -58.4MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-02-07 19:05:32,904 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 0.19ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 146.0MB in the end (delta: 134.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6836.15ms. Allocated memory was 180.4MB in the beginning and 251.7MB in the end (delta: 71.3MB). Free memory was 107.8MB in the beginning and 166.2MB in the end (delta: -58.4MB). Peak memory consumption was 91.5MB. 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] - 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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:05:35,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:05:35,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-02-07 19:05:35,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:05:35,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:05:35,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:05:35,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:05:35,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:05:35,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:05:35,456 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:05:35,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:05:35,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:05:35,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:05:35,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:05:35,458 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:05:35,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:05:35,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:05:35,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:05:35,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:05:35,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:05:35,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:05:35,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:05:35,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:05:35,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-02-07 19:05:35,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-02-07 19:05:35,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:05:35,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-02-07 19:05:35,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:05:35,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:05:35,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:05:35,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:05:35,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:05:35,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:05:35,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:05:35,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:05:35,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:05:35,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:05:35,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:05:35,466 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-02-07 19:05:35,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-02-07 19:05:35,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:05:35,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:05:35,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:05:35,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:05:35,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:05:35,467 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-02-07 19:05:35,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:05:35,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:05:35,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:05:35,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:05:35,788 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:05:35,789 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:05:35,790 INFO L431 ainManager$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 19:05:35,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:05:35,935 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:05:35,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 19:05:37,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:05:37,653 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:05:37,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-02-07 19:05:37,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102dea13b/e138834d33dc4d399740a29f80e32a35/FLAGc420564b1 [2024-02-07 19:05:37,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102dea13b/e138834d33dc4d399740a29f80e32a35 [2024-02-07 19:05:37,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:05:37,711 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:05:37,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:37,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:05:37,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:05:37,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:35" (1/2) ... [2024-02-07 19:05:37,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ddd3e0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:37, skipping insertion in model container [2024-02-07 19:05:37,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:35" (1/2) ... [2024-02-07 19:05:37,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a0af582 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:37, skipping insertion in model container [2024-02-07 19:05:37,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:37" (2/2) ... [2024-02-07 19:05:37,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ddd3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:37, skipping insertion in model container [2024-02-07 19:05:37,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:37" (2/2) ... [2024-02-07 19:05:37,730 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:05:38,143 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:05:38,144 INFO L76 edCorrectnessWitness]: Location invariant before [L6548-L6548] 1 == arg0 [2024-02-07 19:05:38,145 INFO L76 edCorrectnessWitness]: Location invariant before [L6714-L6714] buf == p [2024-02-07 19:05:38,145 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 19:05:38,145 INFO L76 edCorrectnessWitness]: Location invariant before [L6647-L6647] arg0 == (char const *)"\0016Generic non-volatile memory driver v%s\n" [2024-02-07 19:05:38,145 INFO L76 edCorrectnessWitness]: Location invariant before [L6713-L6713] buf == p [2024-02-07 19:05:38,145 INFO L76 edCorrectnessWitness]: Location invariant before [L6777-L6778] (0 == ret) && (ret == 0) [2024-02-07 19:05:38,145 INFO L76 edCorrectnessWitness]: Location invariant before [L6783-L6783] ret == 0 [2024-02-07 19:05:38,145 INFO L76 edCorrectnessWitness]: Location invariant before [L6779-L6779] 0 == ret [2024-02-07 19:05:38,146 INFO L76 edCorrectnessWitness]: Location invariant before [L6716-L6716] buf == p [2024-02-07 19:05:38,146 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 19:05:38,146 INFO L76 edCorrectnessWitness]: Location invariant before [L6759-L6759] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 19:05:38,146 INFO L76 edCorrectnessWitness]: Location invariant before [L6760-L6760] ((((-128 <= ret) && (-22 <= ret)) && (ret <= 0)) && (ret <= 127)) && (ret == -22 || ret == 0) [2024-02-07 19:05:38,146 INFO L76 edCorrectnessWitness]: Location invariant before [L6715-L6715] buf == p [2024-02-07 19:05:38,146 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 19:05:38,146 INFO L76 edCorrectnessWitness]: Location invariant before [L6784-L6784] ret == 0 [2024-02-07 19:05:38,146 INFO L76 edCorrectnessWitness]: Location invariant before [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 19:05:38,147 INFO L76 edCorrectnessWitness]: Location invariant after [L6858-L6858] _whoop_init == & nvram_init [2024-02-07 19:05:38,259 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:05:38,574 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 19:05:41,345 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:05:41,367 INFO L203 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-02-07 19:05:41,416 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:05:41,420 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 19:05:41,658 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:05:41,665 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:05:41,717 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 19:05:41,820 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 19:05:41,822 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 19:05:41,823 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 19:05:41,823 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 19:05:41,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Syntax error [2024-02-07 19:05:41,999 ERROR L361 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 19:05:41,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a0af582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:41, skipping insertion in model container [2024-02-07 19:05:41,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:42,000 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-02-07 19:05:42,001 INFO L158 Benchmark]: Toolchain (without parser) took 4289.93ms. Allocated memory was 65.0MB in the beginning and 138.4MB in the end (delta: 73.4MB). Free memory was 27.7MB in the beginning and 64.7MB in the end (delta: -36.9MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-02-07 19:05:42,002 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:42,002 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:42,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4287.98ms. Allocated memory was 65.0MB in the beginning and 138.4MB in the end (delta: 73.4MB). Free memory was 27.5MB in the beginning and 64.7MB in the end (delta: -37.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-02-07 19:05:42,003 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 0.19ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4287.98ms. Allocated memory was 65.0MB in the beginning and 138.4MB in the end (delta: 73.4MB). Free memory was 27.5MB in the beginning and 64.7MB in the end (delta: -37.1MB). Peak memory consumption was 59.1MB. 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