./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67b95fb0884527cff4cd990f5c76069c4524d11d ....................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/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 0.2.0-7b2dab5 [2020-12-09 19:53:29,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:53:29,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:53:29,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:53:29,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:53:29,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:53:29,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:53:29,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:53:29,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:53:29,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:53:29,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:53:29,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:53:29,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:53:29,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:53:29,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:53:29,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:53:29,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:53:29,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:53:29,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:53:29,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:53:29,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:53:29,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:53:29,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:53:29,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:53:29,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:53:29,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:53:29,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:53:29,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:53:29,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:53:29,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:53:29,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:53:29,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:53:29,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:53:29,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:53:29,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:53:29,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:53:29,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:53:29,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:53:29,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:53:29,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:53:29,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:53:29,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-12-09 19:53:29,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:53:29,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:53:29,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:53:29,425 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:53:29,426 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:53:29,426 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:53:29,426 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:53:29,426 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:53:29,426 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:53:29,426 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:53:29,426 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:53:29,426 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:53:29,427 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:53:29,427 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:53:29,427 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:53:29,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:53:29,428 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:53:29,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:53:29,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:53:29,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:53:29,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:53:29,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:53:29,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:53:29,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:53:29,429 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:53:29,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:53:29,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:53:29,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:53:29,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:53:29,430 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2020-12-09 19:53:29,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:53:29,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:53:29,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:53:29,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:53:29,632 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:53:29,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2020-12-09 19:53:29,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/data/102d3a684/9b4b9a5b489b43c2822408b79cc9e844/FLAG8b14ff78b [2020-12-09 19:53:30,209 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:53:30,210 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2020-12-09 19:53:30,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/data/102d3a684/9b4b9a5b489b43c2822408b79cc9e844/FLAG8b14ff78b [2020-12-09 19:53:30,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1d1b819-b05f-4a55-b9af-fb691b419dee/bin/utaipan/data/102d3a684/9b4b9a5b489b43c2822408b79cc9e844 [2020-12-09 19:53:30,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:53:30,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:53:30,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:53:30,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:53:30,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:53:30,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:53:30" (1/1) ... [2020-12-09 19:53:30,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6195ed9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:53:30, skipping insertion in model container [2020-12-09 19:53:30,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:53:30" (1/1) ... [2020-12-09 19:53:30,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:53:30,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:53:31,475 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-09 19:53:31,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@474afb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:53:31, skipping insertion in model container [2020-12-09 19:53:31,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:53:31,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 19:53:31,478 INFO L168 Benchmark]: Toolchain (without parser) took 764.24 ms. Allocated memory is still 96.5 MB. Free memory was 72.1 MB in the beginning and 46.0 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:53:31,478 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 96.5 MB. Free memory was 70.6 MB in the beginning and 70.4 MB in the end (delta: 125.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:53:31,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.61 ms. Allocated memory is still 96.5 MB. Free memory was 71.8 MB in the beginning and 46.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:53:31,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 96.5 MB. Free memory was 70.6 MB in the beginning and 70.4 MB in the end (delta: 125.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 762.61 ms. Allocated memory is still 96.5 MB. Free memory was 71.8 MB in the beginning and 46.0 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...