./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:22:43,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:22:43,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:22:43,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:22:43,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:22:43,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:22:43,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:22:43,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:22:43,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:22:43,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:22:43,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:22:43,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:22:43,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:22:43,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:22:43,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:22:43,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:22:43,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:22:43,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:22:43,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:22:43,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:22:43,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:22:43,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:22:43,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:22:43,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:22:43,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:22:43,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:22:43,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:22:43,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:22:43,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:22:43,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:22:43,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:22:43,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:22:43,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:22:43,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:22:43,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:22:43,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:22:43,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:22:43,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:22:43,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:22:43,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:22:43,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:22:43,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 11:22:43,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:22:43,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:22:43,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:22:43,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:22:43,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:22:43,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:22:43,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:22:43,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:22:43,335 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:22:43,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:22:43,336 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:22:43,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:22:43,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:22:43,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:22:43,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:22:43,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:22:43,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:22:43,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:22:43,338 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 11:22:43,339 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:22:43,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:22:43,339 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:22:43,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:22:43,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:22:43,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:22:43,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:22:43,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:22:43,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:22:43,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:22:43,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:22:43,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:22:43,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:22:43,342 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:22:43,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:22:43,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:22:43,343 INFO L138 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-11-16 11:22:43,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:22:43,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:22:43,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:22:43,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:22:43,663 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:22:43,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-16 11:22:43,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/data/cd5a4650b/76301d2d2f1c454db6df969f87d9bb81/FLAG070905c97 [2022-11-16 11:22:44,730 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:22:44,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-16 11:22:44,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/data/cd5a4650b/76301d2d2f1c454db6df969f87d9bb81/FLAG070905c97 [2022-11-16 11:22:45,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/data/cd5a4650b/76301d2d2f1c454db6df969f87d9bb81 [2022-11-16 11:22:45,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:22:45,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:22:45,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:22:45,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:22:45,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:22:45,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:45" (1/1) ... [2022-11-16 11:22:45,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6d5be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:45, skipping insertion in model container [2022-11-16 11:22:45,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:45" (1/1) ... [2022-11-16 11:22:45,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:22:45,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:22:45,892 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-11-16 11:22:49,394 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-16 11:22:49,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@782afd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:49, skipping insertion in model container [2022-11-16 11:22:49,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:22:49,396 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 11:22:49,398 INFO L158 Benchmark]: Toolchain (without parser) took 4153.20ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 79.5MB in the beginning and 129.6MB in the end (delta: -50.2MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-16 11:22:49,399 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:22:49,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4148.03ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 79.1MB in the beginning and 129.6MB in the end (delta: -50.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-16 11:22:49,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4148.03ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 79.1MB in the beginning and 129.6MB in the end (delta: -50.5MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0682aaaa-35c4-4faf-b2af-cb532002af76/bin/uautomizer-tPACEb0tL8/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN