./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.2024-09-02_08-21-23.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 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_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-09-02_08-21-23.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.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 16:40:21,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 16:40:21,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 16:40:21,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 16:40:21,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 16:40:21,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 16:40:21,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 16:40:21,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 16:40:21,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 16:40:21,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 16:40:21,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 16:40:21,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 16:40:21,994 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 16:40:21,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 16:40:21,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 16:40:21,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 16:40:21,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 16:40:21,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 16:40:21,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 16:40:21,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 16:40:21,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 16:40:22,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 16:40:22,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 16:40:22,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 16:40:22,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 16:40:22,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 16:40:22,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 16:40:22,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 16:40:22,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 16:40:22,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 16:40:22,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 16:40:22,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 16:40:22,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 16:40:22,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 16:40:22,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 16:40:22,011 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 16:40:22,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 16:40:22,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 16:40:22,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 16:40:22,012 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 16:40:22,012 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 16:40:22,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 16:40:22,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 16:40:22,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 16:40:22,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 16:40:22,263 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 16:40:22,263 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 16:40:22,265 INFO L431 ainManager$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_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-09-23 16:40:22,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 16:40:22,385 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 16:40:22,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-09-23 16:40:23,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 16:40:24,176 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 16:40:24,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-09-23 16:40:24,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2bbcc1999/f3a4786703ea4503a046080a69f9aaea/FLAG348291bab [2024-09-23 16:40:24,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2bbcc1999/f3a4786703ea4503a046080a69f9aaea [2024-09-23 16:40:24,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 16:40:24,320 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 16:40:24,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:24,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 16:40:24,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 16:40:24,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:22" (1/2) ... [2024-09-23 16:40:24,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7059b57d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:24, skipping insertion in model container [2024-09-23 16:40:24,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:22" (1/2) ... [2024-09-23 16:40:24,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6add129a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:24, skipping insertion in model container [2024-09-23 16:40:24,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:24" (2/2) ... [2024-09-23 16:40:24,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7059b57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:24, skipping insertion in model container [2024-09-23 16:40:24,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:24" (2/2) ... [2024-09-23 16:40:24,400 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 16:40:24,400 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 16:40:24,400 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 16:40:24,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 16:40:24,837 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-09-23 16:40:28,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 16:40:28,230 INFO L200 MainTranslator]: Completed pre-run [2024-09-23 16:40:28,253 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] Start Parsing Local [2024-09-23 16:40:28,301 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_init [2024-09-23 16:40:28,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6add129a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:28, skipping insertion in model container [2024-09-23 16:40:28,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:28,302 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-23 16:40:28,304 INFO L158 Benchmark]: Toolchain (without parser) took 3983.52ms. Allocated memory was 178.3MB in the beginning and 232.8MB in the end (delta: 54.5MB). Free memory was 108.5MB in the beginning and 154.9MB in the end (delta: -46.4MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2024-09-23 16:40:28,305 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:28,306 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 178.3MB. Free memory was 139.0MB in the beginning and 138.8MB in the end (delta: 269.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:28,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3980.31ms. Allocated memory was 178.3MB in the beginning and 232.8MB in the end (delta: 54.5MB). Free memory was 108.5MB in the beginning and 154.9MB in the end (delta: -46.4MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2024-09-23 16:40:28,307 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 0.20ms. Allocated memory is still 178.3MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 178.3MB. Free memory was 139.0MB in the beginning and 138.8MB in the end (delta: 269.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3980.31ms. Allocated memory was 178.3MB in the beginning and 232.8MB in the end (delta: 54.5MB). Free memory was 108.5MB in the beginning and 154.9MB in the end (delta: -46.4MB). Peak memory consumption was 88.3MB. 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.2024-09-02_08-21-23.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.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 16:40:30,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 16:40:30,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-23 16:40:30,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 16:40:30,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 16:40:30,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 16:40:30,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 16:40:30,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 16:40:30,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 16:40:30,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 16:40:30,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 16:40:30,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 16:40:30,293 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 16:40:30,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 16:40:30,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 16:40:30,294 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 16:40:30,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 16:40:30,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 16:40:30,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 16:40:30,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 16:40:30,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 16:40:30,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-23 16:40:30,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 16:40:30,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-23 16:40:30,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 16:40:30,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 16:40:30,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 16:40:30,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 16:40:30,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 16:40:30,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 16:40:30,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 16:40:30,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 16:40:30,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 16:40:30,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 16:40:30,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 16:40:30,306 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-23 16:40:30,306 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 16:40:30,307 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-23 16:40:30,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 16:40:30,307 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 16:40:30,308 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 16:40:30,308 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 16:40:30,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-23 16:40:30,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 16:40:30,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 16:40:30,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 16:40:30,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 16:40:30,634 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 16:40:30,635 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 16:40:30,636 INFO L431 ainManager$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_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-09-23 16:40:30,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 16:40:30,771 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 16:40:30,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-09-23 16:40:32,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 16:40:32,749 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 16:40:32,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-09-23 16:40:32,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c1465fef2/f23d8d8b6ad74ba2af672577d3f57a34/FLAG4171a6174 [2024-09-23 16:40:32,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c1465fef2/f23d8d8b6ad74ba2af672577d3f57a34 [2024-09-23 16:40:32,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 16:40:32,813 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 16:40:32,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:32,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 16:40:32,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 16:40:32,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:30" (1/2) ... [2024-09-23 16:40:32,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9f14cc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:32, skipping insertion in model container [2024-09-23 16:40:32,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 04:40:30" (1/2) ... [2024-09-23 16:40:32,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37947021 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 04:40:32, skipping insertion in model container [2024-09-23 16:40:32,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:32" (2/2) ... [2024-09-23 16:40:32,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9f14cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:32, skipping insertion in model container [2024-09-23 16:40:32,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 04:40:32" (2/2) ... [2024-09-23 16:40:32,906 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 16:40:32,906 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 16:40:32,906 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 16:40:33,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 16:40:33,316 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-09-23 16:40:36,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 16:40:36,256 INFO L200 MainTranslator]: Completed pre-run [2024-09-23 16:40:36,277 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] Start Parsing Local [2024-09-23 16:40:36,347 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_init [2024-09-23 16:40:36,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37947021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 04:40:36, skipping insertion in model container [2024-09-23 16:40:36,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 16:40:36,349 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-09-23 16:40:36,350 INFO L158 Benchmark]: Toolchain (without parser) took 3536.81ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.6MB in the beginning and 38.8MB in the end (delta: -9.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-23 16:40:36,351 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 46.1MB. Free memory is still 27.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:36,351 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 46.1MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 16:40:36,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3534.14ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.4MB in the beginning and 38.8MB in the end (delta: -9.4MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-23 16:40:36,353 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 46.1MB. Free memory is still 27.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 46.1MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3534.14ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.4MB in the beginning and 38.8MB in the end (delta: -9.4MB). Peak memory consumption was 30.1MB. 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