./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79fa1dd2429b579130ba2962571ac2d8152c8e35 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/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 0.2.0-69874e2 [2020-12-01 15:19:36,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:19:36,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:19:36,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:19:36,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:19:36,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:19:36,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:19:36,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:19:36,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:19:36,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:19:36,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:19:36,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:19:36,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:19:36,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:19:36,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:19:36,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:19:36,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:19:36,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:19:36,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:19:36,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:19:36,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:19:36,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:19:36,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:19:36,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:19:36,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:19:36,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:19:36,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:19:36,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:19:36,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:19:36,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:19:36,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:19:36,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:19:36,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:19:36,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:19:36,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:19:36,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:19:36,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:19:36,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:19:36,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:19:36,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:19:36,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:19:36,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-12-01 15:19:36,335 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:19:36,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:19:36,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:19:36,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:19:36,338 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:19:36,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:19:36,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:19:36,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:19:36,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:19:36,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:19:36,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:19:36,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:19:36,341 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 15:19:36,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:19:36,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:19:36,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:19:36,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:19:36,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:19:36,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:19:36,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:19:36,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:19:36,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:19:36,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:19:36,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:19:36,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:19:36,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:19:36,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:19:36,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:19:36,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79fa1dd2429b579130ba2962571ac2d8152c8e35 [2020-12-01 15:19:36,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:19:36,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:19:36,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:19:36,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:19:36,633 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:19:36,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2020-12-01 15:19:36,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/data/6228fb71b/68128c50d1ec47d58819dbd066dcbe60/FLAG096e8a79c [2020-12-01 15:19:37,570 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:19:37,570 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2020-12-01 15:19:37,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/data/6228fb71b/68128c50d1ec47d58819dbd066dcbe60/FLAG096e8a79c [2020-12-01 15:19:38,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0bd36f82-54d0-4434-a046-373a8f0f46de/bin/uautomizer/data/6228fb71b/68128c50d1ec47d58819dbd066dcbe60 [2020-12-01 15:19:38,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:19:38,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:19:38,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:19:38,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:19:38,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:19:38,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:19:38" (1/1) ... [2020-12-01 15:19:38,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1043f2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:38, skipping insertion in model container [2020-12-01 15:19:38,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:19:38" (1/1) ... [2020-12-01 15:19:38,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:19:38,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:19:39,614 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-01 15:19:39,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@301095ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:19:39, skipping insertion in model container [2020-12-01 15:19:39,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:19:39,615 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 15:19:39,618 INFO L168 Benchmark]: Toolchain (without parser) took 1489.83 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 60.2 MB in the beginning and 75.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:19:39,618 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:19:39,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1486.76 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 60.0 MB in the beginning and 75.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:19:39,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1486.76 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 60.0 MB in the beginning and 75.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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...