./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/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 f9137d8c095723141c8661925b18853a67cd8ac3 ......................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 11:25:29,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:25:29,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:25:29,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:25:29,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:25:29,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:25:29,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:25:29,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:25:29,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:25:29,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:25:29,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:25:29,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:25:29,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:25:29,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:25:29,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:25:29,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:25:29,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:25:29,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:25:29,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:25:29,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:25:29,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:25:29,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:25:29,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:25:29,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:25:29,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:25:29,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:25:29,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:25:29,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:25:29,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:25:29,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:25:29,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:25:29,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:25:29,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:25:29,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:25:29,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:25:29,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:25:29,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:25:29,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:25:29,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:25:29,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:25:29,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:25:29,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 11:25:29,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:25:29,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:25:29,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:25:29,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:25:29,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:25:29,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:25:29,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:25:29,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 11:25:29,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:25:29,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:25:29,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:25:29,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:25:29,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:25:29,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 11:25:29,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:25:29,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:25:29,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:25:29,251 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:25:29,251 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:25:29,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:25:29,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:25:29,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:25:29,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:25:29,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:25:29,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:25:29,253 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 11:25:29,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:25:29,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:25:29,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bd4b6bff-cffc-48be-872b-35ac13d18f8b/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 -> f9137d8c095723141c8661925b18853a67cd8ac3 [2019-11-20 11:25:29,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:25:29,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:25:29,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:25:29,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:25:29,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:25:29,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2019-11-20 11:25:29,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/data/ba821f143/131a95f7a31546d08a7bd20741db5473/FLAG31ff6bd94 [2019-11-20 11:25:30,087 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:25:30,087 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/sv-benchmarks/c/busybox-1.22.0/who-2.i [2019-11-20 11:25:30,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/data/ba821f143/131a95f7a31546d08a7bd20741db5473/FLAG31ff6bd94 [2019-11-20 11:25:30,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bd4b6bff-cffc-48be-872b-35ac13d18f8b/bin/ukojak/data/ba821f143/131a95f7a31546d08a7bd20741db5473 [2019-11-20 11:25:30,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:25:30,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:25:30,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:25:30,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:25:30,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:25:30,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:25:30" (1/1) ... [2019-11-20 11:25:30,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d0b99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30, skipping insertion in model container [2019-11-20 11:25:30,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:25:30" (1/1) ... [2019-11-20 11:25:30,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:25:30,575 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:25:31,908 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2019-11-20 11:25:31,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49b63df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:31, skipping insertion in model container [2019-11-20 11:25:31,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:25:31,917 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-20 11:25:31,920 INFO L168 Benchmark]: Toolchain (without parser) took 1441.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:25:31,921 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:25:31,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1439.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:25:31,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1439.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2761]: 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...