./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.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_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/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 831840093d3088bfbabf96abf945dd47cd21019a ......................................................................................................................... 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 03:19:29,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:19:29,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:19:29,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:19:29,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:19:29,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:19:29,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:19:29,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:19:29,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:19:29,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:19:29,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:19:29,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:19:29,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:19:29,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:19:29,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:19:29,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:19:29,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:19:29,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:19:29,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:19:29,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:19:29,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:19:29,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:19:29,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:19:29,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:19:29,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:19:29,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:19:29,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:19:29,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:19:29,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:19:29,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:19:29,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:19:29,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:19:29,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:19:29,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:19:29,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:19:29,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:19:29,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:19:29,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:19:29,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:19:29,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:19:29,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:19:29,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 03:19:29,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:19:29,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:19:29,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:19:29,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:19:29,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:19:29,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:19:29,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:19:29,746 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:19:29,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:19:29,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:19:29,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:19:29,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:19:29,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:19:29,747 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 03:19:29,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:19:29,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:19:29,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:19:29,748 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:19:29,748 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:19:29,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:19:29,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:19:29,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:19:29,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:19:29,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:19:29,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:19:29,750 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:19:29,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:19:29,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:19:29,751 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_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/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 -> 831840093d3088bfbabf96abf945dd47cd21019a [2019-11-20 03:19:29,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:19:29,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:19:29,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:19:29,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:19:29,951 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:19:29,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2019-11-20 03:19:30,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/data/9172f04e6/8b3eb3e175df460ba2e8499478c97a32/FLAG5fdceebb5 [2019-11-20 03:19:30,714 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:19:30,715 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2019-11-20 03:19:30,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/data/9172f04e6/8b3eb3e175df460ba2e8499478c97a32/FLAG5fdceebb5 [2019-11-20 03:19:31,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc8653d9-ad61-4ab2-a1fd-87b045aed7ab/bin/ukojak/data/9172f04e6/8b3eb3e175df460ba2e8499478c97a32 [2019-11-20 03:19:31,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:19:31,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:19:31,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:19:31,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:19:31,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:19:31,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:19:31" (1/1) ... [2019-11-20 03:19:31,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11aeb0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:31, skipping insertion in model container [2019-11-20 03:19:31,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:19:31" (1/1) ... [2019-11-20 03:19:31,288 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:19:31,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:19:32,631 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-11-20 03:19:32,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@399ccdcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:19:32, skipping insertion in model container [2019-11-20 03:19:32,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:19:32,633 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-20 03:19:32,636 INFO L168 Benchmark]: Toolchain (without parser) took 1367.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:19:32,637 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:19:32,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1364.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:19:32,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1364.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...