./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/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 831840093d3088bfbabf96abf945dd47cd21019a ................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/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 0.1.25-f470102 [2019-12-07 12:14:36,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:14:36,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:14:36,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:14:36,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:14:36,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:14:36,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:14:36,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:14:36,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:14:36,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:14:36,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:14:36,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:14:36,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:14:36,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:14:36,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:14:36,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:14:36,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:14:36,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:14:36,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:14:36,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:14:36,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:14:36,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:14:36,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:14:36,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:14:36,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:14:36,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:14:36,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:14:36,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:14:36,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:14:36,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:14:36,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:14:36,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:14:36,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:14:36,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:14:36,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:14:36,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:14:36,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:14:36,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:14:36,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:14:36,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:14:36,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:14:36,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-12-07 12:14:36,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:14:36,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:14:36,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:14:36,409 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:14:36,410 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:14:36,410 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:14:36,410 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:14:36,410 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:14:36,410 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:14:36,410 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:14:36,411 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:14:36,411 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:14:36,411 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:14:36,411 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:14:36,411 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:14:36,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:14:36,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:14:36,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:14:36,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:14:36,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:14:36,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:14:36,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:14:36,413 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 12:14:36,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:14:36,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:14:36,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:14:36,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:14:36,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:14:36,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:14:36,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:14:36,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:14:36,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:14:36,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:14:36,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:14:36,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:14:36,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:14:36,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:14:36,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:14:36,416 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a54825ae-a9b0-46c8-9196-9b85fa5654c3/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 -> 831840093d3088bfbabf96abf945dd47cd21019a [2019-12-07 12:14:36,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:14:36,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:14:36,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:14:36,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:14:36,534 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:14:36,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2019-12-07 12:14:36,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/data/6cc544395/029f263015eb479bb0d86b548f55d160/FLAGd3807a585 [2019-12-07 12:14:37,139 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:14:37,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2019-12-07 12:14:37,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/data/6cc544395/029f263015eb479bb0d86b548f55d160/FLAGd3807a585 [2019-12-07 12:14:37,605 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a54825ae-a9b0-46c8-9196-9b85fa5654c3/bin/utaipan/data/6cc544395/029f263015eb479bb0d86b548f55d160 [2019-12-07 12:14:37,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:14:37,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:14:37,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:14:37,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:14:37,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:14:37,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:14:37" (1/1) ... [2019-12-07 12:14:37,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331c5240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:37, skipping insertion in model container [2019-12-07 12:14:37,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:14:37" (1/1) ... [2019-12-07 12:14:37,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:14:37,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:14:38,375 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 [2019-12-07 12:14:38,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25773e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:14:38, skipping insertion in model container [2019-12-07 12:14:38,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:14:38,376 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:14:38,378 INFO L168 Benchmark]: Toolchain (without parser) took 768.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:38,378 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:14:38,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:14:38,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 767.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: 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...