./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/yes-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_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/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 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 .......................................................................................................................................... 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_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/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 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 ....................................................................................................................................... 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 07:36:50,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:50,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:50,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:50,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:50,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:50,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:50,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:50,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:50,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:50,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:50,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:50,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:50,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:50,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:50,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:50,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:50,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:50,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:50,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:50,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:50,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:50,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:50,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:50,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:50,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:50,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:50,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:50,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:50,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:50,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:50,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:50,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:50,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:50,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:50,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:50,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:50,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:50,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:50,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:50,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:50,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:36:50,580 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:50,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:50,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:50,582 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:50,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:50,583 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:50,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:36:50,583 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:50,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:50,583 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:36:50,584 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:36:50,585 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:50,585 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:36:50,585 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:36:50,585 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:36:50,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:36:50,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:36:50,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:50,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:36:50,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:36:50,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:50,587 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:36:50,588 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:36:50,588 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:36:50,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:50,588 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:50,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:50,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:50,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:50,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:50,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:50,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:50,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:50,590 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:36:50,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:36:50,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:50,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:50,591 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_89693980-2188-49eb-a8bc-eb5353b47b21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 [2020-11-28 07:36:50,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:50,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:50,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:50,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:50,888 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:50,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-11-28 07:36:50,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/e1b81cac7/5c8668b0c08c42caa77c274a2d963920/FLAG2def8e454 [2020-11-28 07:36:51,756 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:51,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-11-28 07:36:51,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/e1b81cac7/5c8668b0c08c42caa77c274a2d963920/FLAG2def8e454 [2020-11-28 07:36:51,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/e1b81cac7/5c8668b0c08c42caa77c274a2d963920 [2020-11-28 07:36:51,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:51,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:51,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:51,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:51,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:51,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:51" (1/1) ... [2020-11-28 07:36:51,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216e74a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:51, skipping insertion in model container [2020-11-28 07:36:51,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:51" (1/1) ... [2020-11-28 07:36:51,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:51,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:53,499 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2020-11-28 07:36:53,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d1e80b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53, skipping insertion in model container [2020-11-28 07:36:53,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:53,502 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:36:53,505 INFO L168 Benchmark]: Toolchain (without parser) took 1622.05 ms. Allocated memory is still 96.5 MB. Free memory was 68.3 MB in the beginning and 47.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:53,505 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:53,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1619.59 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 47.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:53,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 77.6 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1619.59 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 47.3 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:36:55,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:55,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:55,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:55,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:55,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:55,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:55,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:55,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:55,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:55,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:55,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:55,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:55,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:55,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:55,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:55,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:55,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:55,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:55,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:55,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:55,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:55,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:55,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:55,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:55,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:55,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:55,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:55,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:55,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:55,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:55,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:55,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:55,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:55,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:55,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:55,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:55,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:55,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:55,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:55,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:55,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:36:55,908 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:55,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:55,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:55,911 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:55,911 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:55,911 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:55,911 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:55,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:55,912 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:55,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:36:55,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:36:55,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:55,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:36:55,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:36:55,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:55,916 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:36:55,916 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:36:55,916 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:36:55,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:55,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:55,917 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:36:55,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:36:55,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:55,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:55,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:36:55,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:55,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:55,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:55,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:55,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:55,919 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:36:55,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:36:55,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:55,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:55,920 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_89693980-2188-49eb-a8bc-eb5353b47b21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 [2020-11-28 07:36:56,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:56,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:56,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:56,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:56,377 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:56,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-11-28 07:36:56,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/8d84e54ee/0ceee1bb7d6145f8b6294f233c812cc1/FLAG6c235b5ae [2020-11-28 07:36:57,234 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:57,238 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-11-28 07:36:57,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/8d84e54ee/0ceee1bb7d6145f8b6294f233c812cc1/FLAG6c235b5ae [2020-11-28 07:36:57,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89693980-2188-49eb-a8bc-eb5353b47b21/bin/utaipan/data/8d84e54ee/0ceee1bb7d6145f8b6294f233c812cc1 [2020-11-28 07:36:57,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:57,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:57,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:57,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:57,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:57,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:57" (1/1) ... [2020-11-28 07:36:57,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc2b419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:57, skipping insertion in model container [2020-11-28 07:36:57,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:57" (1/1) ... [2020-11-28 07:36:57,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:57,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:58,652 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2020-11-28 07:36:58,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@394d2261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:58, skipping insertion in model container [2020-11-28 07:36:58,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:58,655 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:36:58,659 INFO L168 Benchmark]: Toolchain (without parser) took 1286.03 ms. Allocated memory is still 73.4 MB. Free memory was 46.4 MB in the beginning and 46.3 MB in the end (delta: 111.2 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:58,661 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 35.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:58,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1279.39 ms. Allocated memory is still 73.4 MB. Free memory was 46.2 MB in the beginning and 46.4 MB in the end (delta: -203.8 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:58,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.6 MB in the end (delta: 35.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1279.39 ms. Allocated memory is still 73.4 MB. Free memory was 46.2 MB in the beginning and 46.4 MB in the end (delta: -203.8 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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...