./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/usleep-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/usleep-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8 --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 c125311dead8796be1e34a2612ee89bf9d5fc399616b58f56895ecfb82bb7a14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:07:48,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:07:48,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:07:48,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:07:48,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:07:48,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:07:48,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:07:48,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:07:48,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:07:48,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:07:48,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:07:48,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:07:48,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:07:48,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:07:48,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:07:48,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:07:48,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:07:48,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:07:48,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:07:48,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:07:48,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:07:48,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:07:48,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:07:48,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:07:48,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:07:48,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:07:48,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:07:48,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:07:48,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:07:48,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:07:48,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:07:48,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:07:48,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:07:48,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:07:48,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:07:48,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:07:48,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:07:48,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:07:48,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:07:48,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:07:48,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:07:48,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-07 02:07:48,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:07:48,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:07:48,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:07:48,315 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:07:48,315 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:07:48,316 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:07:48,316 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:07:48,316 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:07:48,317 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:07:48,317 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:07:48,317 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:07:48,317 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:07:48,318 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:07:48,318 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:07:48,318 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:07:48,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:07:48,320 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:07:48,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:07:48,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:07:48,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:07:48,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:07:48,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:07:48,321 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 02:07:48,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:07:48,322 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:07:48,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:07:48,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:07:48,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:07:48,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:07:48,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:07:48,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:07:48,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:07:48,324 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:07:48,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:07:48,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:07:48,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:07:48,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:07:48,326 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_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c125311dead8796be1e34a2612ee89bf9d5fc399616b58f56895ecfb82bb7a14 [2021-11-07 02:07:48,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:07:48,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:07:48,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:07:48,781 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:07:48,782 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:07:48,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/usleep-1.i [2021-11-07 02:07:48,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/data/31aec6538/d34744fba931418f9992f321e9293146/FLAG4e952298b [2021-11-07 02:07:49,736 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:07:49,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/sv-benchmarks/c/busybox-1.22.0/usleep-1.i [2021-11-07 02:07:49,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/data/31aec6538/d34744fba931418f9992f321e9293146/FLAG4e952298b [2021-11-07 02:07:50,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/data/31aec6538/d34744fba931418f9992f321e9293146 [2021-11-07 02:07:50,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:07:50,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:07:50,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:07:50,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:07:50,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:07:50,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:07:50" (1/1) ... [2021-11-07 02:07:50,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d577c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:07:50, skipping insertion in model container [2021-11-07 02:07:50,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:07:50" (1/1) ... [2021-11-07 02:07:50,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:07:50,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:07:51,782 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-07 02:07:51,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25a14fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:07:51, skipping insertion in model container [2021-11-07 02:07:51,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:07:51,784 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:07:51,787 INFO L168 Benchmark]: Toolchain (without parser) took 1501.17 ms. Allocated memory is still 94.4 MB. Free memory was 70.6 MB in the beginning and 58.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:07:51,788 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:07:51,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1496.77 ms. Allocated memory is still 94.4 MB. Free memory was 70.4 MB in the beginning and 58.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:07:51,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1496.77 ms. Allocated memory is still 94.4 MB. Free memory was 70.4 MB in the beginning and 58.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2479]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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_0c275703-a6b6-45e8-9566-62ce128b6ca4/bin/utaipan-UUZaoUuFF8/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