./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer --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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/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 --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:10,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:10,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:10,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:10,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:10,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:10,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:10,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:10,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:10,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:11,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:11,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:11,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:11,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:11,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:11,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:11,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:11,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:11,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:11,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:11,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:11,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:11,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:11,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:11,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:11,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:11,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:11,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:11,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:11,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:11,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:11,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:11,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:11,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:11,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:11,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:11,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:11,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:11,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:11,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:11,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:11,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-28 02:59:11,103 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:11,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:11,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:11,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:11,105 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:11,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:11,106 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:59:11,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:11,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:11,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:11,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:11,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:11,107 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 02:59:11,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:11,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:11,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:11,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:11,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:11,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:11,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:11,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:11,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:11,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:11,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:11,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:11,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:11,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:11,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:11,110 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-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2020-11-28 02:59:11,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:11,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:11,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:11,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:11,437 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:11,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-28 02:59:11,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/data/5e6bdbd08/33271944b6a94ec5b4a90b13080dd020/FLAG8c8b7f620 [2020-11-28 02:59:12,182 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:12,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-28 02:59:12,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/data/5e6bdbd08/33271944b6a94ec5b4a90b13080dd020/FLAG8c8b7f620 [2020-11-28 02:59:12,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef3c8233-7c15-477d-b60b-a44333f36a7e/bin/uautomizer/data/5e6bdbd08/33271944b6a94ec5b4a90b13080dd020 [2020-11-28 02:59:12,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:12,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:12,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:12,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:12,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:12,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b67499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:12, skipping insertion in model container [2020-11-28 02:59:12,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:12" (1/1) ... [2020-11-28 02:59:12,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:12,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:13,580 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 [2020-11-28 02:59:13,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c01b687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:13, skipping insertion in model container [2020-11-28 02:59:13,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:13,582 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 02:59:13,584 INFO L168 Benchmark]: Toolchain (without parser) took 1226.06 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.6 MB in the beginning and 68.5 MB in the end (delta: -19.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:13,585 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 86.0 MB. Free memory was 59.1 MB in the beginning and 59.1 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:13,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1223.70 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.4 MB in the beginning and 68.5 MB in the end (delta: -20.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:13,588 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 86.0 MB. Free memory was 59.1 MB in the beginning and 59.1 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1223.70 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.4 MB in the beginning and 68.5 MB in the end (delta: -20.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * 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...