./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/cut-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/cut-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/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 047d6a107e7c2327384c7772e4a824ebb4ca73c1 ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:29,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:29,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:29,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:29,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:29,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:29,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:29,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:29,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:29,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:29,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:29,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:29,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:29,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:29,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:29,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:29,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:29,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:29,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:29,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:29,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:29,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:29,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:29,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:29,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:29,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:29,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:29,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:29,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:29,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:29,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:29,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:29,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:29,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:29,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:29,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:29,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:29,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:29,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:29,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:29,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:29,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-10-22 11:24:29,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:29,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:29,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:29,350 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:29,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:29,350 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:29,350 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:29,351 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:29,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:29,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:29,351 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:29,351 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:29,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:29,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:24:29,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:29,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:29,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:29,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:29,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:29,353 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:24:29,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:29,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:29,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:29,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:29,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:29,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:29,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:29,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:29,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:29,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:29,355 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:29,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:29,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:29,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:29,356 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/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/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 -> 047d6a107e7c2327384c7772e4a824ebb4ca73c1 [2019-10-22 11:24:29,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:29,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:29,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:29,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:29,401 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:29,402 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/cut-2.i [2019-10-22 11:24:29,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/data/5eb8fc07f/f9710bdc8d624c5391cbdd90ca559d6e/FLAG15cf6b196 [2019-10-22 11:24:30,058 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:30,061 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/sv-benchmarks/c/busybox-1.22.0/cut-2.i [2019-10-22 11:24:30,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/data/5eb8fc07f/f9710bdc8d624c5391cbdd90ca559d6e/FLAG15cf6b196 [2019-10-22 11:24:30,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90ad6dd4-bb85-4b31-8411-406ccf732541/bin/utaipan/data/5eb8fc07f/f9710bdc8d624c5391cbdd90ca559d6e [2019-10-22 11:24:30,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:30,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:30,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:30,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:30,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:30,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:30" (1/1) ... [2019-10-22 11:24:30,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5d792b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:30, skipping insertion in model container [2019-10-22 11:24:30,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:30" (1/1) ... [2019-10-22 11:24:30,261 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:30,363 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:31,578 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-10-22 11:24:31,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32947ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:31, skipping insertion in model container [2019-10-22 11:24:31,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:31,580 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-10-22 11:24:31,585 INFO L168 Benchmark]: Toolchain (without parser) took 1336.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:31,586 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:31,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1333.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:31,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1333.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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...