./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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_generic_nvram_nvram_unlocked_ioctl_write_nvram.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 16:40:03,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 16:40:03,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 16:40:03,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 16:40:03,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 16:40:03,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 16:40:03,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 16:40:03,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 16:40:03,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 16:40:03,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 16:40:03,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 16:40:03,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 16:40:03,692 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 16:40:03,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 16:40:03,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 16:40:03,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 16:40:03,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 16:40:03,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 16:40:03,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 16:40:03,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 16:40:03,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 16:40:03,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 16:40:03,698 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 16:40:03,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 16:40:03,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 16:40:03,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 16:40:03,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 16:40:03,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 16:40:03,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 16:40:03,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 16:40:03,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 16:40:03,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 16:40:03,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 16:40:03,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 16:40:03,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 16:40:03,702 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 16:40:03,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 16:40:03,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 16:40:03,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 16:40:03,703 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 16:40:03,703 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 16:40:03,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 16:40:03,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 16:40:03,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 16:40:03,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 16:40:03,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 16:40:03,987 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 16:40:03,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-09-23 16:40:05,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 16:40:05,798 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 16:40:05,799 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-09-23 16:40:05,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ec4c73d70/2ddd2d5605d04e4b9c465f5b163199f2/FLAG6997338a5 [2024-09-23 16:40:05,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ec4c73d70/2ddd2d5605d04e4b9c465f5b163199f2 [2024-09-23 16:40:05,941 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 16:40:05,942 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 16:40:05,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-09-23 16:40:06,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 16:40:06,057 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 16:40:06,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:06,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 16:40:06,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 16:40:06,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:05" (1/2) ... [2024-09-23 16:40:06,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371b4b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:06, skipping insertion in model container [2024-09-23 16:40:06,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:05" (1/2) ... [2024-09-23 16:40:06,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43d12c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:06, skipping insertion in model container [2024-09-23 16:40:06,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:06" (2/2) ... [2024-09-23 16:40:06,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371b4b73 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:06, skipping insertion in model container [2024-09-23 16:40:06,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:06" (2/2) ... [2024-09-23 16:40:06,138 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 16:40:06,139 INFO L1541 ArrayList]: Location invariant before [L443-L443] (((((((((((((((((((((((((((((((0 <= whoop_int) && ((-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && ((4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && (_whoop_init == & nvram_init)) && (_whoop_exit == & nvram_cleanup)) && (jiffies == 0UL)) && (nvram_fops.check_flags == 0)) && (nvram_fops.compat_ioctl == 0)) && (nvram_fops.dir_notify == 0)) && (nvram_fops.fasync == 0)) && (nvram_fops.flock == 0)) && (nvram_fops.flush == 0)) && (nvram_fops.fsync == 0)) && (nvram_fops.get_unmapped_area == 0)) && (nvram_fops.ioctl == 0)) && (nvram_fops.llseek == & nvram_llseek)) && (nvram_fops.lock == 0)) && (nvram_fops.mmap == 0)) && (nvram_fops.open == 0)) && (nvram_fops.open_exec == 0)) && (nvram_fops.owner == 0)) && (nvram_fops.poll == 0)) && (nvram_fops.read == & read_nvram)) && (nvram_fops.readdir == 0)) && (nvram_fops.readv == 0)) && (nvram_fops.release == 0)) && (nvram_fops.sendfile == 0)) && (nvram_fops.sendpage == 0)) && (nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl)) && (nvram_fops.write == & write_nvram)) && (nvram_fops.writev == 0)) && ((unsigned int )default_alloc_size == 4U) [2024-09-23 16:40:06,139 INFO L1541 ArrayList]: Location invariant before [L461-L461] (((((((((((((((((((((((((((((((0 <= whoop_int) && ((-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && ((4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && (_whoop_init == & nvram_init)) && (_whoop_exit == & nvram_cleanup)) && (jiffies == 0UL)) && (nvram_fops.check_flags == 0)) && (nvram_fops.compat_ioctl == 0)) && (nvram_fops.dir_notify == 0)) && (nvram_fops.fasync == 0)) && (nvram_fops.flock == 0)) && (nvram_fops.flush == 0)) && (nvram_fops.fsync == 0)) && (nvram_fops.get_unmapped_area == 0)) && (nvram_fops.ioctl == 0)) && (nvram_fops.llseek == & nvram_llseek)) && (nvram_fops.lock == 0)) && (nvram_fops.mmap == 0)) && (nvram_fops.open == 0)) && (nvram_fops.open_exec == 0)) && (nvram_fops.owner == 0)) && (nvram_fops.poll == 0)) && (nvram_fops.read == & read_nvram)) && (nvram_fops.readdir == 0)) && (nvram_fops.readv == 0)) && (nvram_fops.release == 0)) && (nvram_fops.sendfile == 0)) && (nvram_fops.sendpage == 0)) && (nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl)) && (nvram_fops.write == & write_nvram)) && (nvram_fops.writev == 0)) && ((unsigned int )default_alloc_size == 4U) [2024-09-23 16:40:06,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 16:40:06,583 WARN L248 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-09-23 16:40:10,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 16:40:10,483 INFO L200 MainTranslator]: Completed pre-run [2024-09-23 16:40:10,504 WARN L248 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] Start Parsing Local [2024-09-23 16:40:10,546 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_init [2024-09-23 16:40:10,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43d12c19 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:10, skipping insertion in model container [2024-09-23 16:40:10,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:10,548 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-23 16:40:10,549 INFO L158 Benchmark]: Toolchain (without parser) took 4491.94ms. Allocated memory is still 169.9MB. Free memory was 122.7MB in the beginning and 104.1MB in the end (delta: 18.5MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2024-09-23 16:40:10,550 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:10,550 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:10,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4489.69ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 104.1MB in the end (delta: 17.8MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2024-09-23 16:40:10,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4489.69ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 104.1MB in the end (delta: 17.8MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 443]: Incorrect Syntax Undeclared variable in ACSL expression: nvram_init RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 16:40:12,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 16:40:12,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-23 16:40:12,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 16:40:12,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 16:40:12,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 16:40:12,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 16:40:12,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 16:40:12,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 16:40:12,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 16:40:12,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 16:40:12,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 16:40:12,556 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 16:40:12,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 16:40:12,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 16:40:12,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 16:40:12,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 16:40:12,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 16:40:12,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 16:40:12,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 16:40:12,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 16:40:12,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-23 16:40:12,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 16:40:12,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-23 16:40:12,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 16:40:12,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 16:40:12,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 16:40:12,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 16:40:12,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 16:40:12,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 16:40:12,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 16:40:12,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 16:40:12,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 16:40:12,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 16:40:12,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 16:40:12,564 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-23 16:40:12,564 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 16:40:12,565 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-23 16:40:12,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 16:40:12,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 16:40:12,565 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 16:40:12,566 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 16:40:12,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-23 16:40:12,566 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 16:40:12,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 16:40:12,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 16:40:12,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 16:40:12,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 16:40:12,912 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 16:40:12,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-09-23 16:40:14,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 16:40:14,856 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 16:40:14,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-09-23 16:40:14,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3823d990b/e46820e9da584686b0af725e353b7f4b/FLAG31aa1ebd4 [2024-09-23 16:40:14,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3823d990b/e46820e9da584686b0af725e353b7f4b [2024-09-23 16:40:14,928 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 16:40:14,929 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 16:40:14,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-09-23 16:40:15,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 16:40:15,047 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 16:40:15,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:15,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 16:40:15,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 16:40:15,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:14" (1/2) ... [2024-09-23 16:40:15,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8eace5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:15, skipping insertion in model container [2024-09-23 16:40:15,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:14" (1/2) ... [2024-09-23 16:40:15,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ff77ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:15, skipping insertion in model container [2024-09-23 16:40:15,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:15" (2/2) ... [2024-09-23 16:40:15,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8eace5f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:15, skipping insertion in model container [2024-09-23 16:40:15,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:15" (2/2) ... [2024-09-23 16:40:15,117 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 16:40:15,118 INFO L1541 ArrayList]: Location invariant before [L443-L443] (((((((((((((((((((((((((((((((0 <= whoop_int) && ((-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && ((4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && (_whoop_init == & nvram_init)) && (_whoop_exit == & nvram_cleanup)) && (jiffies == 0UL)) && (nvram_fops.check_flags == 0)) && (nvram_fops.compat_ioctl == 0)) && (nvram_fops.dir_notify == 0)) && (nvram_fops.fasync == 0)) && (nvram_fops.flock == 0)) && (nvram_fops.flush == 0)) && (nvram_fops.fsync == 0)) && (nvram_fops.get_unmapped_area == 0)) && (nvram_fops.ioctl == 0)) && (nvram_fops.llseek == & nvram_llseek)) && (nvram_fops.lock == 0)) && (nvram_fops.mmap == 0)) && (nvram_fops.open == 0)) && (nvram_fops.open_exec == 0)) && (nvram_fops.owner == 0)) && (nvram_fops.poll == 0)) && (nvram_fops.read == & read_nvram)) && (nvram_fops.readdir == 0)) && (nvram_fops.readv == 0)) && (nvram_fops.release == 0)) && (nvram_fops.sendfile == 0)) && (nvram_fops.sendpage == 0)) && (nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl)) && (nvram_fops.write == & write_nvram)) && (nvram_fops.writev == 0)) && ((unsigned int )default_alloc_size == 4U) [2024-09-23 16:40:15,118 INFO L1541 ArrayList]: Location invariant before [L461-L461] (((((((((((((((((((((((((((((((0 <= whoop_int) && ((-4LL + (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && ((4LL - (long long )default_alloc_size) + (long long )whoop_int >= 0LL)) && (_whoop_init == & nvram_init)) && (_whoop_exit == & nvram_cleanup)) && (jiffies == 0UL)) && (nvram_fops.check_flags == 0)) && (nvram_fops.compat_ioctl == 0)) && (nvram_fops.dir_notify == 0)) && (nvram_fops.fasync == 0)) && (nvram_fops.flock == 0)) && (nvram_fops.flush == 0)) && (nvram_fops.fsync == 0)) && (nvram_fops.get_unmapped_area == 0)) && (nvram_fops.ioctl == 0)) && (nvram_fops.llseek == & nvram_llseek)) && (nvram_fops.lock == 0)) && (nvram_fops.mmap == 0)) && (nvram_fops.open == 0)) && (nvram_fops.open_exec == 0)) && (nvram_fops.owner == 0)) && (nvram_fops.poll == 0)) && (nvram_fops.read == & read_nvram)) && (nvram_fops.readdir == 0)) && (nvram_fops.readv == 0)) && (nvram_fops.release == 0)) && (nvram_fops.sendfile == 0)) && (nvram_fops.sendpage == 0)) && (nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl)) && (nvram_fops.write == & write_nvram)) && (nvram_fops.writev == 0)) && ((unsigned int )default_alloc_size == 4U) [2024-09-23 16:40:15,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 16:40:15,514 WARN L248 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-09-23 16:40:18,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 16:40:18,480 INFO L200 MainTranslator]: Completed pre-run [2024-09-23 16:40:18,502 WARN L248 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] Start Parsing Local [2024-09-23 16:40:18,545 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_init [2024-09-23 16:40:18,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ff77ca3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:18, skipping insertion in model container [2024-09-23 16:40:18,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:18,546 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-23 16:40:18,548 INFO L158 Benchmark]: Toolchain (without parser) took 3499.55ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 29.3MB in the beginning and 29.0MB in the end (delta: 300.6kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-09-23 16:40:18,548 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:18,548 INFO L158 Benchmark]: Witness Parser took 0.53ms. Allocated memory is still 62.9MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:18,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3497.42ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 74.2kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-09-23 16:40:18,550 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 50.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.53ms. Allocated memory is still 62.9MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3497.42ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 74.2kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 443]: Incorrect Syntax Undeclared variable in ACSL expression: nvram_init RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN