./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/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 33f1a19988aaf034166ab26d83f342c485d4c498 .......................................................................................................................................... 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_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/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 33f1a19988aaf034166ab26d83f342c485d4c498 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:32,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:32,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:32,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:32,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:32,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:32,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:32,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:32,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:32,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:32,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:32,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:32,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:32,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:32,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:32,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:32,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:32,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:32,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:32,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:32,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:32,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:32,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:32,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:32,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:32,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:32,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:32,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:32,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:32,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:32,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:32,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:32,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:32,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:32,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:32,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:32,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:32,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:32,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:32,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:32,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:32,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:39:32,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:32,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:32,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:32,514 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:32,514 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:32,514 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:32,514 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:32,514 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:32,515 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:32,515 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:32,516 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:32,516 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:32,516 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:32,517 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:32,517 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:32,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:39:32,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:39:32,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:32,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:39:32,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:32,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:32,519 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:39:32,519 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:39:32,519 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:39:32,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:32,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:32,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:32,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:32,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:32,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:32,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:32,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:32,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:32,523 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:32,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:32,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:32,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:32,524 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_3bbdb524-b2da-4320-8673-19c072a3dff4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2020-11-28 07:39:32,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:32,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:32,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:32,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:32,846 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:32,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-11-28 07:39:32,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/a9b6913dd/cb2129c7ca624461abf708035e467671/FLAGbf64d7e7c [2020-11-28 07:39:33,712 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:33,713 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-11-28 07:39:33,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/a9b6913dd/cb2129c7ca624461abf708035e467671/FLAGbf64d7e7c [2020-11-28 07:39:33,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/a9b6913dd/cb2129c7ca624461abf708035e467671 [2020-11-28 07:39:33,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:33,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:33,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:33,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:33,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:33,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:33" (1/1) ... [2020-11-28 07:39:33,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c526904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:33, skipping insertion in model container [2020-11-28 07:39:33,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:33" (1/1) ... [2020-11-28 07:39:33,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:33,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:35,102 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:39:35,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@372403c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:35, skipping insertion in model container [2020-11-28 07:39:35,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:35,103 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:35,105 INFO L168 Benchmark]: Toolchain (without parser) took 1313.86 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 42.9 MB in the beginning and 58.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:35,106 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:35,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.17 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 42.7 MB in the beginning and 58.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:35,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 35.1 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1311.17 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 42.7 MB in the beginning and 58.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:37,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:37,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:37,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:37,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:37,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:37,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:37,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:37,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:37,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:37,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:37,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:37,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:37,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:37,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:37,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:37,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:37,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:37,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:37,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:37,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:37,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:37,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:37,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:37,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:37,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:37,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:37,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:37,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:37,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:37,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:37,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:37,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:37,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:37,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:37,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:37,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:37,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:37,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:37,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:37,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:37,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:39:37,413 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:37,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:37,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:37,415 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:37,415 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:37,415 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:37,415 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:37,416 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:37,416 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:37,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:39:37,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:39:37,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:37,419 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:39:37,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:37,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:37,419 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:39:37,420 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:39:37,420 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:39:37,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:37,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:37,421 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:37,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:37,421 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:37,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:37,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:37,422 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:37,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:37,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:37,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:37,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:37,423 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:37,423 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:37,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:37,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:37,424 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_3bbdb524-b2da-4320-8673-19c072a3dff4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2020-11-28 07:39:37,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:37,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:37,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:37,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:37,842 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:37,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-11-28 07:39:37,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/9b1a34520/5a9d10f5577b44f59f1ab31469dc9df3/FLAG0d5d41add [2020-11-28 07:39:38,783 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:38,784 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-11-28 07:39:38,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/9b1a34520/5a9d10f5577b44f59f1ab31469dc9df3/FLAG0d5d41add [2020-11-28 07:39:39,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3bbdb524-b2da-4320-8673-19c072a3dff4/bin/utaipan/data/9b1a34520/5a9d10f5577b44f59f1ab31469dc9df3 [2020-11-28 07:39:39,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:39,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:39,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:39,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:39,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:39,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191d6f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39, skipping insertion in model container [2020-11-28 07:39:39,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:39,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:40,589 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:39:40,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d7b4ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:40, skipping insertion in model container [2020-11-28 07:39:40,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:40,591 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:39:40,593 INFO L168 Benchmark]: Toolchain (without parser) took 1268.31 ms. Allocated memory is still 65.0 MB. Free memory was 39.9 MB in the beginning and 42.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:40,594 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:40,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1265.99 ms. Allocated memory is still 65.0 MB. Free memory was 39.8 MB in the beginning and 42.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:40,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 65.0 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1265.99 ms. Allocated memory is still 65.0 MB. Free memory was 39.8 MB in the beginning and 42.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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...