./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-2.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_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/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 f934006e09952996511c477fac199298ac8d2971 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/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-a4ecdab [2020-11-29 23:32:51,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:32:51,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:32:51,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:32:51,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:32:51,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:32:51,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:32:51,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:32:51,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:32:51,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:32:51,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:32:51,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:32:52,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:32:52,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:32:52,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:32:52,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:32:52,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:32:52,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:32:52,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:32:52,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:32:52,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:32:52,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:32:52,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:32:52,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:32:52,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:32:52,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:32:52,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:32:52,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:32:52,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:32:52,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:32:52,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:32:52,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:32:52,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:32:52,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:32:52,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:32:52,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:32:52,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:32:52,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:32:52,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:32:52,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:32:52,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:32:52,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-29 23:32:52,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:32:52,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:32:52,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:32:52,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:32:52,088 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:32:52,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:32:52,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:32:52,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:32:52,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:32:52,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:32:52,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:32:52,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:32:52,091 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 23:32:52,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:32:52,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:32:52,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:32:52,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:32:52,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:32:52,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:32:52,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:32:52,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:32:52,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:32:52,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:32:52,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:32:52,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:32:52,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:32:52,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:32:52,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:32:52,096 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_3979e7b6-009c-4b78-9bab-594309eb97e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f934006e09952996511c477fac199298ac8d2971 [2020-11-29 23:32:52,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:32:52,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:32:52,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:32:52,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:32:52,469 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:32:52,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/fold-2.i [2020-11-29 23:32:52,613 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/data/ba11aaf14/3cf2cc3e1b0d49aaaa6d4b789c6a829b/FLAG52a2383f0 [2020-11-29 23:32:53,506 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:32:53,508 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/sv-benchmarks/c/busybox-1.22.0/fold-2.i [2020-11-29 23:32:53,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/data/ba11aaf14/3cf2cc3e1b0d49aaaa6d4b789c6a829b/FLAG52a2383f0 [2020-11-29 23:32:53,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3979e7b6-009c-4b78-9bab-594309eb97e5/bin/uautomizer/data/ba11aaf14/3cf2cc3e1b0d49aaaa6d4b789c6a829b [2020-11-29 23:32:53,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:32:53,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:32:53,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:53,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:32:53,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:32:53,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:53" (1/1) ... [2020-11-29 23:32:53,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5a4c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:53, skipping insertion in model container [2020-11-29 23:32:53,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:53" (1/1) ... [2020-11-29 23:32:53,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:32:53,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:32:55,264 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-29 23:32:55,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5634550d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:55, skipping insertion in model container [2020-11-29 23:32:55,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:55,266 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 23:32:55,269 INFO L168 Benchmark]: Toolchain (without parser) took 1681.71 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 45.2 MB in the beginning and 70.1 MB in the end (delta: -24.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:55,270 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 81.8 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:55,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1678.50 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 45.0 MB in the beginning and 70.1 MB in the end (delta: -25.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:55,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 81.8 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1678.50 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 45.0 MB in the beginning and 70.1 MB in the end (delta: -25.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 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...