./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/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 76ffeccfc31fb459bc9d6d82dcbb2ae9f6891f76 ......................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/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-a4ecdab [2020-11-28 07:36:38,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:38,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:38,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:38,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:38,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:38,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:38,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:38,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:38,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:38,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:38,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:38,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:38,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:38,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:38,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:38,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:38,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:38,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:38,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:38,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:38,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:38,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:38,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:38,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:38,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:38,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:38,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:38,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:38,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:38,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:38,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:38,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:38,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:38,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:38,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:38,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:38,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:38,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:38,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:38,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:38,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-28 07:36:38,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:38,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:38,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:38,384 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:38,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:38,385 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:38,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:36:38,386 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:38,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:38,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:36:38,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:36:38,388 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:38,389 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:36:38,389 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:36:38,389 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:36:38,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:38,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:36:38,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:36:38,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:38,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:36:38,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:38,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:36:38,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 07:36:38,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:36:38,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:38,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:36:38,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:38,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:38,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:38,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:38,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:38,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:38,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:36:38,399 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:36:38,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:36:38,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:36:38,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:38,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:38,401 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_9ad517cd-fad2-406e-982f-8a9bc95d5dad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76ffeccfc31fb459bc9d6d82dcbb2ae9f6891f76 [2020-11-28 07:36:38,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:38,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:38,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:38,753 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:38,754 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:38,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/sync-1.i [2020-11-28 07:36:38,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/data/0b8fe0a93/15c114671de54742ad36647a20736058/FLAG7b6cce54c [2020-11-28 07:36:39,511 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:39,511 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/sv-benchmarks/c/busybox-1.22.0/sync-1.i [2020-11-28 07:36:39,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/data/0b8fe0a93/15c114671de54742ad36647a20736058/FLAG7b6cce54c [2020-11-28 07:36:39,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ad517cd-fad2-406e-982f-8a9bc95d5dad/bin/utaipan/data/0b8fe0a93/15c114671de54742ad36647a20736058 [2020-11-28 07:36:39,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:39,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:39,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:39,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:39,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:39,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:39" (1/1) ... [2020-11-28 07:36:39,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c088a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:39, skipping insertion in model container [2020-11-28 07:36:39,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:39" (1/1) ... [2020-11-28 07:36:39,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:39,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:40,900 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-11-28 07:36:40,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45fc7396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:40, skipping insertion in model container [2020-11-28 07:36:40,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:40,905 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:36:40,911 INFO L168 Benchmark]: Toolchain (without parser) took 1237.27 ms. Allocated memory is still 98.6 MB. Free memory was 65.0 MB in the beginning and 65.1 MB in the end (delta: -125.1 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:40,912 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:40,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1230.48 ms. Allocated memory is still 98.6 MB. Free memory was 64.8 MB in the beginning and 65.1 MB in the end (delta: -377.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:40,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1230.48 ms. Allocated memory is still 98.6 MB. Free memory was 64.8 MB in the beginning and 65.1 MB in the end (delta: -377.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...