./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF --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 64bit --witnessprinter.graph.data.programhash 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:30:06,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:30:06,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:30:06,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:30:06,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:30:06,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:30:06,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:30:06,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:30:06,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:30:06,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:30:06,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:30:06,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:30:06,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:30:06,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:30:06,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:30:06,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:30:06,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:30:06,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:30:06,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:30:06,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:30:06,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:30:06,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:30:06,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:30:06,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:30:06,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:30:06,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:30:06,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:30:06,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:30:06,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:30:06,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:30:06,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:30:06,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:30:06,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:30:06,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:30:06,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:30:06,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:30:06,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:30:06,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:30:06,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:30:06,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:30:06,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:30:06,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-11-20 06:30:06,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:30:06,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:30:06,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:30:06,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:30:06,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:30:06,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:30:06,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:30:06,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:30:06,532 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:30:06,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:30:06,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:30:06,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:30:06,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:30:06,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:30:06,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:30:06,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:30:06,535 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 06:30:06,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:30:06,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:30:06,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:30:06,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:30:06,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:30:06,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:30:06,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:30:06,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:30:06,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:30:06,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:30:06,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:30:06,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:30:06,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:30:06,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:30:06,542 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_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 [2021-11-20 06:30:06,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:30:06,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:30:06,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:30:06,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:30:06,976 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:30:06,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2021-11-20 06:30:07,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/data/418ef5c5a/01f8a4923f0f4be58e87efa9e4162772/FLAGc68c4b315 [2021-11-20 06:30:07,966 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:30:07,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2021-11-20 06:30:08,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/data/418ef5c5a/01f8a4923f0f4be58e87efa9e4162772/FLAGc68c4b315 [2021-11-20 06:30:08,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/data/418ef5c5a/01f8a4923f0f4be58e87efa9e4162772 [2021-11-20 06:30:08,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:30:08,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:30:08,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:30:08,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:30:08,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:30:08,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:30:08" (1/1) ... [2021-11-20 06:30:08,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745f1252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:08, skipping insertion in model container [2021-11-20 06:30:08,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:30:08" (1/1) ... [2021-11-20 06:30:08,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:30:08,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:30:10,071 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-20 06:30:10,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16d53e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:30:10, skipping insertion in model container [2021-11-20 06:30:10,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:30:10,075 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 06:30:10,078 INFO L158 Benchmark]: Toolchain (without parser) took 1582.96ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 68.6MB in the end (delta: -25.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-20 06:30:10,079 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 86.0MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:30:10,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.16ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 42.6MB in the beginning and 68.6MB in the end (delta: -26.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-20 06:30:10,085 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 86.0MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.16ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 42.6MB in the beginning and 68.6MB in the end (delta: -26.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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_1ea6f301-5335-4ab0-9f2f-0f52aa05f7c2/bin/uautomizer-DQz5hQGWxF/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN