./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-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_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c7614d527b3df8d87d06d14251cafeea1c526ea3 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/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 04:39:45,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:45,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:45,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:45,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:45,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:45,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:45,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:45,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:45,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:45,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:45,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:45,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:45,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:45,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:45,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:45,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:45,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:45,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:45,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:45,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:45,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:45,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:45,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:45,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:45,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:45,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:45,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:45,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:45,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:45,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:45,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:45,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:45,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:45,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:45,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:45,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:45,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:45,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:45,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:45,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:45,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:39:45,273 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:45,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:45,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:45,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:45,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:45,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:45,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:45,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:39:45,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:45,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:45,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:45,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:45,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:45,280 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:39:45,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:45,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:45,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:45,281 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:45,282 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:45,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:45,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:45,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:45,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:45,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:45,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:45,285 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:45,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:45,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:45,285 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_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7614d527b3df8d87d06d14251cafeea1c526ea3 [2020-11-28 04:39:45,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:45,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:45,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:45,639 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:45,640 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:45,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/seq-2.i [2020-11-28 04:39:45,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/data/575756129/eb173a779ab34b64a05220a49291dfa5/FLAGdc91c0d39 [2020-11-28 04:39:46,570 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:46,571 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/sv-benchmarks/c/busybox-1.22.0/seq-2.i [2020-11-28 04:39:46,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/data/575756129/eb173a779ab34b64a05220a49291dfa5/FLAGdc91c0d39 [2020-11-28 04:39:47,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0999751b-103f-4a56-8f13-f49bf21e1481/bin/ukojak/data/575756129/eb173a779ab34b64a05220a49291dfa5 [2020-11-28 04:39:47,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:47,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:47,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:47,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:47,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:47,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e2bfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47, skipping insertion in model container [2020-11-28 04:39:47,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:47,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:48,649 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 [2020-11-28 04:39:48,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dc4e7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:48, skipping insertion in model container [2020-11-28 04:39:48,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:48,661 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:39:48,663 INFO L168 Benchmark]: Toolchain (without parser) took 1534.07 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.0 MB in the beginning and 65.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:48,664 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 42.6 MB in the beginning and 42.5 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:48,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1531.48 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.9 MB in the beginning and 65.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:48,667 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 42.6 MB in the beginning and 42.5 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1531.48 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.9 MB in the beginning and 65.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: 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...