./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8 --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 2500e1e04f250e1bb8d5beb8f83aeb17f6afb11e ........................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/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 0.2.1-dev-4e77c04 [2021-10-13 06:46:03,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:46:03,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:46:03,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:46:03,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:46:03,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:46:03,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:46:03,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:46:03,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:46:03,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:46:03,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:46:03,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:46:03,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:46:03,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:46:03,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:46:03,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:46:03,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:46:03,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:46:03,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:46:03,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:46:03,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:46:03,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:46:03,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:46:03,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:46:03,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:46:03,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:46:03,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:46:03,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:46:03,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:46:03,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:46:03,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:46:03,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:46:03,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:46:03,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:46:03,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:46:03,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:46:03,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:46:03,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:46:03,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:46:03,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:46:03,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:46:03,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-13 06:46:03,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:46:03,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:46:03,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:46:03,413 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:46:03,413 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:46:03,413 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:46:03,413 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:46:03,413 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:46:03,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:46:03,414 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:46:03,414 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:46:03,414 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:46:03,414 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:46:03,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:46:03,415 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:46:03,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:46:03,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:46:03,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:46:03,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:46:03,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:46:03,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:46:03,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:46:03,417 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 06:46:03,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:46:03,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:46:03,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:46:03,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:46:03,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:46:03,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:46:03,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:46:03,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:46:03,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:46:03,419 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:46:03,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:46:03,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:46:03,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:46:03,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:46:03,420 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_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2500e1e04f250e1bb8d5beb8f83aeb17f6afb11e [2021-10-13 06:46:03,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:46:03,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:46:03,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:46:03,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:46:03,761 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:46:03,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/tac-2.i [2021-10-13 06:46:03,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/data/2fc7c14ce/fd29625b0a74432fa528b511eac3e867/FLAG17963d126 [2021-10-13 06:46:04,643 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:46:04,644 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/sv-benchmarks/c/busybox-1.22.0/tac-2.i [2021-10-13 06:46:04,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/data/2fc7c14ce/fd29625b0a74432fa528b511eac3e867/FLAG17963d126 [2021-10-13 06:46:05,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40792c64-4299-435e-bd8a-5bf70eacd468/bin/utaipan-q2qaUkNPG8/data/2fc7c14ce/fd29625b0a74432fa528b511eac3e867 [2021-10-13 06:46:05,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:46:05,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:46:05,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:46:05,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:46:05,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:46:05,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:46:05" (1/1) ... [2021-10-13 06:46:05,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b97b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:46:05, skipping insertion in model container [2021-10-13 06:46:05,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:46:05" (1/1) ... [2021-10-13 06:46:05,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:46:05,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:46:06,500 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 06:46:06,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e28dafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:46:06, skipping insertion in model container [2021-10-13 06:46:06,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:46:06,501 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:46:06,504 INFO L168 Benchmark]: Toolchain (without parser) took 1296.19 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 53.8 MB in the beginning and 89.1 MB in the end (delta: -35.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:46:06,504 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 94.4 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:46:06,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.16 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 53.6 MB in the beginning and 89.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:46:06,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 94.4 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1288.16 ms. Allocated memory was 94.4 MB in the beginning and 127.9 MB in the end (delta: 33.6 MB). Free memory was 53.6 MB in the beginning and 89.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 7.8 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...