./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/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 151c76f8d0736bb2fd58fc9d20730d5af09eb45e ........................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:35,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:35,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:36,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:36,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:36,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:36,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:36,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:36,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:36,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:36,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:36,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:36,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:36,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:36,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:36,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:36,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:36,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:36,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:36,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:36,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:36,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:36,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:36,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:36,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:36,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:36,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:36,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:36,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:36,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:36,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:36,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:36,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:36,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:36,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:36,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:36,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:36,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:36,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:36,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:36,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:36,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-10-22 09:00:36,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:36,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:36,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:36,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:36,045 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:36,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:36,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:36,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:36,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:36,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:36,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:36,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:36,050 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 09:00:36,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:36,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:36,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:36,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:36,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:36,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:36,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:36,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:36,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:36,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:36,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:36,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:36,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:36,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:36,052 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/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/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 -> 151c76f8d0736bb2fd58fc9d20730d5af09eb45e [2019-10-22 09:00:36,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:36,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:36,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:36,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:36,102 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:36,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/fold-2.i [2019-10-22 09:00:36,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/data/91ffe9882/44a078b8226f4d43bc8dba3861723003/FLAG5627d1efd [2019-10-22 09:00:36,738 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:36,738 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/sv-benchmarks/c/busybox-1.22.0/fold-2.i [2019-10-22 09:00:36,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/data/91ffe9882/44a078b8226f4d43bc8dba3861723003/FLAG5627d1efd [2019-10-22 09:00:37,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2215a08d-9f55-4923-bd35-f8884192fda8/bin/uautomizer/data/91ffe9882/44a078b8226f4d43bc8dba3861723003 [2019-10-22 09:00:37,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:37,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:37,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:37,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:37,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:37,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:37" (1/1) ... [2019-10-22 09:00:37,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561bc228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:37, skipping insertion in model container [2019-10-22 09:00:37,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:37" (1/1) ... [2019-10-22 09:00:37,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:37,225 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:38,369 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-10-22 09:00:38,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ce4d3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:38, skipping insertion in model container [2019-10-22 09:00:38,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:38,371 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-10-22 09:00:38,374 INFO L168 Benchmark]: Toolchain (without parser) took 1246.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:38,374 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:38,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1243.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:38,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1243.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2296]: 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...