./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-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_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/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 606480d129d868b852bab618a318de1507e1593a .......................................................................................................................................... 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_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/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 606480d129d868b852bab618a318de1507e1593a ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:06,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:06,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:06,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:06,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:06,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:06,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:06,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:06,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:06,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:06,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:06,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:06,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:06,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:06,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:06,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:06,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:06,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:06,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:06,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:06,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:06,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:06,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:06,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:06,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:06,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:06,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:06,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:06,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:06,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:06,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:06,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:06,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:06,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:06,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:06,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:06,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:06,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:06,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:06,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:06,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:06,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-22 12:56:06,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:06,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:06,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:06,788 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:06,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:06,789 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:06,789 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:06,789 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:06,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:06,790 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:06,791 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:06,791 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:06,792 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:06,792 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:06,792 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:06,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:56:06,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:56:06,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:06,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:56:06,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:06,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:06,795 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:56:06,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:56:06,796 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 12:56:06,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:06,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:06,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:06,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:06,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:06,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:06,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:06,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:06,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:06,799 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:06,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:06,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:06,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:06,800 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_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606480d129d868b852bab618a318de1507e1593a [2020-11-22 12:56:07,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:07,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:07,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:07,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:07,111 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:07,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2020-11-22 12:56:07,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/2be23b4e8/60f2feff0e9b4c3bba1a174bce338fe1/FLAG8a5f5471a [2020-11-22 12:56:07,860 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:07,860 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2020-11-22 12:56:07,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/2be23b4e8/60f2feff0e9b4c3bba1a174bce338fe1/FLAG8a5f5471a [2020-11-22 12:56:08,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/2be23b4e8/60f2feff0e9b4c3bba1a174bce338fe1 [2020-11-22 12:56:08,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:08,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:08,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:08,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:08,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:08,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e53e8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:08, skipping insertion in model container [2020-11-22 12:56:08,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:08" (1/1) ... [2020-11-22 12:56:08,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:08,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:09,227 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 [2020-11-22 12:56:09,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15687e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:09, skipping insertion in model container [2020-11-22 12:56:09,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:09,229 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:56:09,232 INFO L168 Benchmark]: Toolchain (without parser) took 1210.83 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.3 MB in the beginning and 76.7 MB in the end (delta: -20.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:09,233 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:09,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.94 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.0 MB in the beginning and 76.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:09,238 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 92.3 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1203.94 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 56.0 MB in the beginning and 76.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: 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 [2020-11-22 12:56:11,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:11,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:11,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:11,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:11,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:11,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:11,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:11,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:11,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:11,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:11,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:11,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:11,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:11,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:11,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:11,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:11,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:11,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:11,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:11,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:11,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:11,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:11,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:11,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:11,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:11,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:11,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:11,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:11,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:11,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:11,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:11,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:11,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:11,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:11,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:11,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:11,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:11,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:11,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:11,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:11,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-22 12:56:11,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:11,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:11,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:11,572 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:11,572 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:11,572 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:11,572 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:11,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:11,573 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:11,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:56:11,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:56:11,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:11,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:56:11,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:11,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:11,576 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:56:11,576 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:56:11,576 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 12:56:11,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:11,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:11,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:11,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:11,577 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:11,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:11,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:11,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:11,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:11,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:11,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:11,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:11,579 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:11,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:11,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:11,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:11,580 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_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606480d129d868b852bab618a318de1507e1593a [2020-11-22 12:56:11,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:12,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:12,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:12,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:12,021 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:12,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2020-11-22 12:56:12,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/dcd4a30e9/4e93dd73889d4b9b897154f74a168096/FLAG966329008 [2020-11-22 12:56:12,859 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:12,859 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2020-11-22 12:56:12,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/dcd4a30e9/4e93dd73889d4b9b897154f74a168096/FLAG966329008 [2020-11-22 12:56:13,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d0b63cc-9d1f-4e5b-bef3-1ac77d8f627b/bin/utaipan/data/dcd4a30e9/4e93dd73889d4b9b897154f74a168096 [2020-11-22 12:56:13,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:13,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:13,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:13,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:13,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:13,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:13" (1/1) ... [2020-11-22 12:56:13,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1092c6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:13, skipping insertion in model container [2020-11-22 12:56:13,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:13" (1/1) ... [2020-11-22 12:56:13,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:13,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:14,222 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 [2020-11-22 12:56:14,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cbe1fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:14, skipping insertion in model container [2020-11-22 12:56:14,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:14,223 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:56:14,226 INFO L168 Benchmark]: Toolchain (without parser) took 1207.05 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.8 MB in the beginning and 51.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:14,227 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:14,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.26 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 51.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:14,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory was 43.5 MB in the beginning and 43.4 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1203.26 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 35.6 MB in the beginning and 51.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: 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...