./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_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/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 76ffeccfc31fb459bc9d6d82dcbb2ae9f6891f76 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/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 [2020-11-29 18:37:59,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:37:59,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:37:59,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:37:59,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:37:59,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:37:59,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:37:59,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:37:59,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:37:59,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:37:59,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:37:59,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:37:59,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:37:59,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:37:59,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:37:59,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:37:59,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:37:59,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:37:59,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:37:59,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:37:59,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:37:59,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:37:59,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:37:59,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:37:59,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:37:59,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:37:59,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:37:59,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:37:59,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:37:59,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:37:59,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:37:59,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:37:59,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:37:59,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:37:59,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:37:59,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:37:59,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:37:59,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:37:59,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:37:59,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:37:59,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:37:59,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 18:37:59,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:37:59,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:37:59,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:37:59,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:37:59,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:37:59,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:37:59,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:37:59,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:37:59,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:37:59,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:37:59,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:37:59,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:37:59,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:37:59,428 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 18:37:59,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:37:59,428 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:37:59,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:37:59,429 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:37:59,429 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:37:59,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:37:59,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:37:59,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:37:59,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:37:59,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:37:59,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:37:59,431 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:37:59,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:37:59,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:37:59,432 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_37880f54-a0a9-43a2-86ff-720176fc5d4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76ffeccfc31fb459bc9d6d82dcbb2ae9f6891f76 [2020-11-29 18:37:59,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:37:59,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:37:59,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:37:59,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:37:59,834 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:37:59,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/sync-1.i [2020-11-29 18:37:59,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/data/0caff0479/44adcbaaf7bd4559a758648354dae58f/FLAGf4081f36b [2020-11-29 18:38:00,783 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:38:00,784 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/sv-benchmarks/c/busybox-1.22.0/sync-1.i [2020-11-29 18:38:00,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/data/0caff0479/44adcbaaf7bd4559a758648354dae58f/FLAGf4081f36b [2020-11-29 18:38:00,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37880f54-a0a9-43a2-86ff-720176fc5d4c/bin/ukojak/data/0caff0479/44adcbaaf7bd4559a758648354dae58f [2020-11-29 18:38:00,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:38:00,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:38:00,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:38:00,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:38:00,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:38:00,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:38:00" (1/1) ... [2020-11-29 18:38:00,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68645223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:00, skipping insertion in model container [2020-11-29 18:38:00,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:38:00" (1/1) ... [2020-11-29 18:38:00,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:38:01,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:38:02,269 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-11-29 18:38:02,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e4d06c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:38:02, skipping insertion in model container [2020-11-29 18:38:02,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:38:02,273 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 18:38:02,276 INFO L168 Benchmark]: Toolchain (without parser) took 1384.01 ms. Allocated memory is still 102.8 MB. Free memory was 66.3 MB in the beginning and 71.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:02,279 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 77.4 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:38:02,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.12 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 71.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:38:02,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 77.4 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1380.12 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 71.1 MB in the end (delta: -5.0 MB). 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...