./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f970b82998909730b88dfe61ca58aa5d39298617 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f970b82998909730b88dfe61ca58aa5d39298617 ........................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:37:02,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:37:02,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:37:02,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:37:02,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:37:02,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:37:02,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:37:02,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:37:02,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:37:02,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:37:02,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:37:02,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:37:02,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:37:02,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:37:02,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:37:02,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:37:02,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:37:02,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:37:02,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:37:02,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:37:02,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:37:02,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:37:02,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:37:02,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:37:02,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:37:02,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:37:02,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:37:02,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:37:02,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:37:02,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:37:02,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:37:02,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:37:02,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:37:02,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:37:02,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:37:02,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:37:02,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:37:02,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:37:02,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:37:02,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:37:02,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:37:02,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-03 12:37:02,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:37:02,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:37:02,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:37:02,310 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:37:02,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:37:02,311 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:37:02,311 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:37:02,311 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:37:02,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:37:02,312 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:37:02,312 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:37:02,312 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:37:02,312 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:37:02,313 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:37:02,313 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:37:02,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:37:02,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:37:02,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:37:02,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:37:02,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:37:02,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:37:02,315 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:37:02,315 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:37:02,316 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:37:02,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:37:02,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:37:02,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:37:02,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:37:02,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:37:02,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:37:02,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:37:02,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:37:02,318 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:37:02,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:37:02,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:37:02,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:37:02,319 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f970b82998909730b88dfe61ca58aa5d39298617 [2020-12-03 12:37:02,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:37:02,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:37:02,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:37:02,623 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:37:02,626 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:37:02,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i [2020-12-03 12:37:02,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/69748ec16/bc6ac1226cba490aa347337ab168383c/FLAG8ecbadf68 [2020-12-03 12:37:03,577 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:37:03,579 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i [2020-12-03 12:37:03,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/69748ec16/bc6ac1226cba490aa347337ab168383c/FLAG8ecbadf68 [2020-12-03 12:37:04,119 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/69748ec16/bc6ac1226cba490aa347337ab168383c [2020-12-03 12:37:04,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:37:04,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:37:04,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:37:04,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:37:04,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:37:04,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:37:04" (1/1) ... [2020-12-03 12:37:04,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3016f6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:37:04, skipping insertion in model container [2020-12-03 12:37:04,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:37:04" (1/1) ... [2020-12-03 12:37:04,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:37:04,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:37:05,696 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i[113983,113996] [2020-12-03 12:37:05,701 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i[114055,114068] [2020-12-03 12:37:05,746 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-12-03 12:37:05,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@314dc84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:37:05, skipping insertion in model container [2020-12-03 12:37:05,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:37:05,747 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:37:05,749 INFO L168 Benchmark]: Toolchain (without parser) took 1624.26 ms. Allocated memory is still 119.5 MB. Free memory was 79.8 MB in the beginning and 72.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:37:05,750 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 33.1 MB in the beginning and 33.0 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:37:05,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1621.17 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 72.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-03 12:37:05,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 33.1 MB in the beginning and 33.0 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1621.17 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 72.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3104]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:37:07,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:37:07,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:37:08,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:37:08,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:37:08,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:37:08,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:37:08,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:37:08,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:37:08,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:37:08,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:37:08,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:37:08,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:37:08,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:37:08,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:37:08,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:37:08,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:37:08,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:37:08,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:37:08,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:37:08,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:37:08,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:37:08,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:37:08,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:37:08,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:37:08,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:37:08,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:37:08,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:37:08,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:37:08,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:37:08,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:37:08,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:37:08,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:37:08,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:37:08,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:37:08,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:37:08,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:37:08,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:37:08,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:37:08,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:37:08,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:37:08,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-03 12:37:08,153 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:37:08,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:37:08,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:37:08,155 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:37:08,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:37:08,156 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:37:08,156 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:37:08,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:37:08,156 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:37:08,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:37:08,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:37:08,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:37:08,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:37:08,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:37:08,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:37:08,161 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:37:08,161 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:37:08,161 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:37:08,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:37:08,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:37:08,162 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:37:08,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:37:08,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:37:08,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:37:08,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:37:08,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:37:08,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:37:08,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:37:08,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:37:08,175 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:37:08,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:37:08,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:37:08,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:37:08,177 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f970b82998909730b88dfe61ca58aa5d39298617 [2020-12-03 12:37:08,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:37:08,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:37:08,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:37:08,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:37:08,579 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:37:08,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i [2020-12-03 12:37:08,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/573aa75ae/7cbedfacd0ad4b11a81bb18019da3cee/FLAG6d0fea021 [2020-12-03 12:37:09,432 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:37:09,433 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i [2020-12-03 12:37:09,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/573aa75ae/7cbedfacd0ad4b11a81bb18019da3cee/FLAG6d0fea021 [2020-12-03 12:37:09,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/bin/utaipan/data/573aa75ae/7cbedfacd0ad4b11a81bb18019da3cee [2020-12-03 12:37:09,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:37:09,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:37:09,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:37:09,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:37:09,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:37:09,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:37:09" (1/1) ... [2020-12-03 12:37:09,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7783dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:37:09, skipping insertion in model container [2020-12-03 12:37:09,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:37:09" (1/1) ... [2020-12-03 12:37:09,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:37:09,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:37:11,208 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i[113983,113996] [2020-12-03 12:37:11,209 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_6b6a18c0-514f-41d0-90c2-0b1aadbe1801/sv-benchmarks/c/busybox-1.22.0/test-incomplete-1.i[114055,114068] [2020-12-03 12:37:11,261 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-12-03 12:37:11,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1df5241d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:37:11, skipping insertion in model container [2020-12-03 12:37:11,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:37:11,263 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:37:11,270 INFO L168 Benchmark]: Toolchain (without parser) took 1739.28 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 37.7 MB in the beginning and 55.3 MB in the end (delta: -17.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:37:11,271 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 44.9 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:37:11,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1736.37 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 37.6 MB in the beginning and 55.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:37:11,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory was 44.9 MB in the beginning and 44.9 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1736.37 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 37.6 MB in the beginning and 55.3 MB in the end (delta: -17.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3104]: 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...