./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.2024-08-08_07-59-58.files/mutex-meet-local/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 23:41:14,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 23:41:14,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 23:41:14,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 23:41:14,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 23:41:14,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 23:41:14,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 23:41:14,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 23:41:14,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 23:41:14,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 23:41:14,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 23:41:14,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 23:41:14,920 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 23:41:14,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 23:41:14,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 23:41:14,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 23:41:14,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 23:41:14,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 23:41:14,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 23:41:14,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 23:41:14,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 23:41:14,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 23:41:14,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 23:41:14,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 23:41:14,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 23:41:14,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 23:41:14,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 23:41:14,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 23:41:14,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 23:41:14,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 23:41:14,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 23:41:14,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 23:41:14,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 23:41:14,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 23:41:14,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 23:41:14,929 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 23:41:14,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 23:41:14,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 23:41:14,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 23:41:14,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 23:41:14,932 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 23:41:14,933 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 23:41:14,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 23:41:15,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 23:41:15,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 23:41:15,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 23:41:15,226 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 23:41:15,228 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 23:41:15,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-08-13 23:41:15,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 23:41:15,490 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 23:41:15,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-08-13 23:41:16,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 23:41:17,475 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 23:41:17,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-08-13 23:41:17,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4a1bcf65d/570f01a96c00431faa337f30a963c193/FLAGeafeea7f0 [2024-08-13 23:41:18,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4a1bcf65d/570f01a96c00431faa337f30a963c193 [2024-08-13 23:41:18,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 23:41:18,024 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 23:41:18,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 23:41:18,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 23:41:18,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 23:41:18,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:41:15" (1/2) ... [2024-08-13 23:41:18,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a760bde and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:41:18, skipping insertion in model container [2024-08-13 23:41:18,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:41:15" (1/2) ... [2024-08-13 23:41:18,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66b9bba1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:41:18, skipping insertion in model container [2024-08-13 23:41:18,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:41:18" (2/2) ... [2024-08-13 23:41:18,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a760bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:41:18, skipping insertion in model container [2024-08-13 23:41:18,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:41:18" (2/2) ... [2024-08-13 23:41:18,038 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 23:41:18,552 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 23:41:18,554 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 23:41:18,554 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 23:41:18,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 23:41:18,974 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-08-13 23:41:23,464 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 23:41:23,483 INFO L202 MainTranslator]: Completed pre-run [2024-08-13 23:41:23,511 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] Start Parsing Local [2024-08-13 23:41:23,558 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_init [2024-08-13 23:41:23,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66b9bba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:41:23, skipping insertion in model container [2024-08-13 23:41:23,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 23:41:23,559 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 23:41:23,561 INFO L158 Benchmark]: Toolchain (without parser) took 5536.31ms. Allocated memory is still 174.1MB. Free memory was 136.8MB in the beginning and 93.1MB in the end (delta: 43.7MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-08-13 23:41:23,561 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:41:23,562 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:41:23,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5533.41ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 93.1MB in the end (delta: 42.8MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-08-13 23:41:23,564 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 0.18ms. Allocated memory is still 96.5MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.08ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5533.41ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 93.1MB in the end (delta: 42.8MB). Peak memory consumption was 88.9MB. 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_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 23:41:25,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 23:41:25,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 23:41:25,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 23:41:25,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 23:41:25,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 23:41:25,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 23:41:25,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 23:41:25,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 23:41:25,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 23:41:25,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 23:41:25,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 23:41:25,738 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 23:41:25,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 23:41:25,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 23:41:25,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 23:41:25,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 23:41:25,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 23:41:25,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 23:41:25,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 23:41:25,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 23:41:25,741 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 23:41:25,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 23:41:25,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 23:41:25,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 23:41:25,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 23:41:25,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 23:41:25,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 23:41:25,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 23:41:25,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 23:41:25,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 23:41:25,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 23:41:25,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 23:41:25,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 23:41:25,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 23:41:25,746 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 23:41:25,746 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 23:41:25,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 23:41:25,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 23:41:25,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 23:41:25,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 23:41:25,748 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 23:41:25,748 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 23:41:25,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 23:41:25,749 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 23:41:26,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 23:41:26,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 23:41:26,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 23:41:26,137 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 23:41:26,138 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 23:41:26,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-08-13 23:41:27,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 23:41:28,290 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 23:41:28,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-08-13 23:41:28,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1617049b9/d0a92b8bfe814c648d3b397ee505e29a/FLAGb1461c06a [2024-08-13 23:41:28,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1617049b9/d0a92b8bfe814c648d3b397ee505e29a [2024-08-13 23:41:28,846 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 23:41:28,847 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 23:41:28,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-08-13 23:41:29,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 23:41:29,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 23:41:29,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 23:41:29,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 23:41:29,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 23:41:29,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:41:28" (1/2) ... [2024-08-13 23:41:29,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dcc847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:41:29, skipping insertion in model container [2024-08-13 23:41:29,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 11:41:28" (1/2) ... [2024-08-13 23:41:29,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1632b716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 11:41:29, skipping insertion in model container [2024-08-13 23:41:29,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:41:29" (2/2) ... [2024-08-13 23:41:29,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dcc847 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:41:29, skipping insertion in model container [2024-08-13 23:41:29,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 11:41:29" (2/2) ... [2024-08-13 23:41:29,078 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 23:41:29,530 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 23:41:29,531 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 23:41:29,531 INFO L97 edCorrectnessWitness]: 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) [2024-08-13 23:41:29,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 23:41:29,982 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-08-13 23:41:33,613 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 23:41:33,639 INFO L202 MainTranslator]: Completed pre-run [2024-08-13 23:41:33,662 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] Start Parsing Local [2024-08-13 23:41:33,712 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_init [2024-08-13 23:41:33,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1632b716 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 11:41:33, skipping insertion in model container [2024-08-13 23:41:33,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 23:41:33,714 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 23:41:33,717 INFO L158 Benchmark]: Toolchain (without parser) took 4649.76ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.8MB in the beginning and 53.5MB in the end (delta: 3.3MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-08-13 23:41:33,717 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:41:33,718 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 23:41:33,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4647.58ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.4MB in the beginning and 53.5MB in the end (delta: 3.0MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-08-13 23:41:33,720 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 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4647.58ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.4MB in the beginning and 53.5MB in the end (delta: 3.0MB). Peak memory consumption was 48.8MB. 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