./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.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_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 .......................................................................................................................................... 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_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:02:05,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:02:05,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:02:05,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:02:05,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:02:05,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:02:05,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:02:05,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:02:05,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:02:05,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:02:05,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:02:05,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:02:05,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:02:05,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:02:05,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:02:05,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:02:05,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:02:05,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:02:05,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:02:05,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:02:05,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:02:05,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:02:05,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:02:05,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:02:05,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:02:05,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:02:05,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:02:05,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:02:05,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:02:05,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:02:05,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:02:05,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:02:05,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:02:05,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:02:05,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:02:05,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:02:05,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:02:05,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:02:05,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:02:05,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:02:05,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:02:05,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-30 02:02:05,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:02:05,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:02:05,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:02:05,688 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:02:05,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:02:05,689 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:02:05,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:02:05,689 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:02:05,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:02:05,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:02:05,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:02:05,691 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:02:05,691 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:02:05,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:02:05,691 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:02:05,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 02:02:05,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 02:02:05,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:02:05,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 02:02:05,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:02:05,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:02:05,694 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 02:02:05,694 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 02:02:05,695 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 02:02:05,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:02:05,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:02:05,695 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:02:05,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:02:05,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:02:05,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:02:05,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:02:05,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:02:05,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:02:05,698 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:02:05,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:02:05,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:02:05,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:02:05,699 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_b158103e-1075-4a4b-b96c-1c50ba9bcdae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-30 02:02:05,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:02:05,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:02:05,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:02:06,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:02:06,023 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:02:06,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-30 02:02:06,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/61bbd7399/e8eb6b7231964f90a533f2c07ccc15b9/FLAG5bb05c3cb [2020-11-30 02:02:06,957 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:02:06,958 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-30 02:02:07,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/61bbd7399/e8eb6b7231964f90a533f2c07ccc15b9/FLAG5bb05c3cb [2020-11-30 02:02:07,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/61bbd7399/e8eb6b7231964f90a533f2c07ccc15b9 [2020-11-30 02:02:07,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:02:07,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:02:07,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:02:07,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:02:07,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:02:07,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:02:07" (1/1) ... [2020-11-30 02:02:07,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e18642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:02:07, skipping insertion in model container [2020-11-30 02:02:07,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:02:07" (1/1) ... [2020-11-30 02:02:07,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:02:07,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:02:08,899 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-11-30 02:02:08,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7503dd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:02:08, skipping insertion in model container [2020-11-30 02:02:08,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:02:08,902 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 02:02:08,906 INFO L168 Benchmark]: Toolchain (without parser) took 1398.92 ms. Allocated memory is still 119.5 MB. Free memory was 83.2 MB in the beginning and 85.7 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:02:08,907 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:02:08,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.75 ms. Allocated memory is still 119.5 MB. Free memory was 83.2 MB in the beginning and 85.7 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:02:08,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1395.75 ms. Allocated memory is still 119.5 MB. Free memory was 83.2 MB in the beginning and 85.7 MB in the end (delta: -2.6 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: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:02:11,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:02:11,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:02:11,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:02:11,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:02:11,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:02:11,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:02:11,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:02:11,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:02:11,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:02:11,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:02:11,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:02:11,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:02:11,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:02:11,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:02:11,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:02:11,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:02:11,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:02:11,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:02:11,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:02:11,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:02:11,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:02:11,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:02:11,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:02:11,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:02:11,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:02:11,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:02:11,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:02:11,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:02:11,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:02:11,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:02:11,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:02:11,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:02:11,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:02:11,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:02:11,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:02:11,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:02:11,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:02:11,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:02:11,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:02:11,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:02:11,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-30 02:02:11,877 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:02:11,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:02:11,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:02:11,879 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:02:11,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:02:11,880 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:02:11,880 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:02:11,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:02:11,881 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:02:11,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 02:02:11,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 02:02:11,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:02:11,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 02:02:11,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:02:11,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:02:11,884 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 02:02:11,884 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 02:02:11,884 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 02:02:11,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:02:11,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:02:11,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:02:11,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:02:11,886 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:02:11,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:02:11,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:02:11,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:02:11,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:02:11,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:02:11,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:02:11,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:02:11,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:02:11,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:02:11,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:02:11,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:02:11,889 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_b158103e-1075-4a4b-b96c-1c50ba9bcdae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-30 02:02:12,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:02:12,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:02:12,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:02:12,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:02:12,377 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:02:12,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-30 02:02:12,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/7e4be7012/480b2c0ded964161bc02e2352e889d60/FLAG210a89c6f [2020-11-30 02:02:13,494 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:02:13,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-30 02:02:13,526 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/7e4be7012/480b2c0ded964161bc02e2352e889d60/FLAG210a89c6f [2020-11-30 02:02:14,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b158103e-1075-4a4b-b96c-1c50ba9bcdae/bin/utaipan/data/7e4be7012/480b2c0ded964161bc02e2352e889d60 [2020-11-30 02:02:14,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:02:14,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:02:14,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:02:14,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:02:14,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:02:14,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:02:14" (1/1) ... [2020-11-30 02:02:14,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5b70d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:02:14, skipping insertion in model container [2020-11-30 02:02:14,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:02:14" (1/1) ... [2020-11-30 02:02:14,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:02:14,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:02:15,574 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-11-30 02:02:15,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4976a555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:02:15, skipping insertion in model container [2020-11-30 02:02:15,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:02:15,576 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 02:02:15,582 INFO L168 Benchmark]: Toolchain (without parser) took 1532.14 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.8 MB in the beginning and 40.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:02:15,584 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 38.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:02:15,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1517.81 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 40.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:02:15,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 38.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1517.81 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 40.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...