./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:54:48,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:54:48,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:54:48,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:54:48,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:54:48,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:54:48,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:54:48,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:54:48,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:54:48,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:54:48,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:54:48,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:54:48,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:54:48,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:54:48,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:54:48,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:54:48,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:54:48,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:54:48,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:54:48,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:54:48,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:54:48,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:54:48,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:54:48,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:54:48,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:54:48,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:54:48,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:54:48,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:54:48,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:54:48,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:54:48,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:54:48,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:54:48,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:54:48,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:54:48,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:54:48,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:54:48,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:54:48,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:54:48,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:54:48,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:54:48,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:54:48,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-03 03:54:48,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:54:48,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:54:48,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:54:48,663 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:54:48,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:54:48,663 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:54:48,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:54:48,664 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:54:48,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:54:48,665 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:54:48,665 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:54:48,665 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:54:48,666 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:54:48,666 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:54:48,666 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:54:48,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 03:54:48,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 03:54:48,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:54:48,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 03:54:48,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:54:48,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:54:48,669 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 03:54:48,669 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 03:54:48,669 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 03:54:48,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:54:48,670 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:54:48,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:54:48,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:54:48,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:54:48,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:54:48,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:54:48,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:54:48,672 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:54:48,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:54:48,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:54:48,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:54:48,673 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_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-03 03:54:48,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:54:48,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:54:48,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:54:48,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:54:48,967 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:54:48,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-03 03:54:49,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/6d0994857/548b8479f5a0430a8cbe3c66a80c01e2/FLAGe2b4b3e0e [2021-11-03 03:54:49,855 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:54:49,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-03 03:54:49,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/6d0994857/548b8479f5a0430a8cbe3c66a80c01e2/FLAGe2b4b3e0e [2021-11-03 03:54:49,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/6d0994857/548b8479f5a0430a8cbe3c66a80c01e2 [2021-11-03 03:54:49,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:54:49,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:54:49,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:49,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:54:49,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:54:49,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:49" (1/1) ... [2021-11-03 03:54:49,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64953534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:49, skipping insertion in model container [2021-11-03 03:54:49,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:49" (1/1) ... [2021-11-03 03:54:49,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:54:50,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:54:51,407 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-03 03:54:51,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@446da76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:51, skipping insertion in model container [2021-11-03 03:54:51,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:51,409 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:54:51,412 INFO L168 Benchmark]: Toolchain (without parser) took 1456.47 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 57.7 MB in the beginning and 87.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:54:51,413 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 96.5 MB. Free memory was 66.1 MB in the beginning and 66.1 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:54:51,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1451.89 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 57.5 MB in the beginning and 87.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:54:51,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 96.5 MB. Free memory was 66.1 MB in the beginning and 66.1 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1451.89 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 57.5 MB in the beginning and 87.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 9.0 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:54:54,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:54:54,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:54:54,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:54:54,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:54:54,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:54:54,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:54:54,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:54:54,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:54:54,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:54:54,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:54:54,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:54:54,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:54:54,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:54:54,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:54:54,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:54:54,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:54:54,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:54:54,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:54:54,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:54:54,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:54:54,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:54:54,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:54:54,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:54:54,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:54:54,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:54:54,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:54:54,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:54:54,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:54:54,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:54:54,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:54:54,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:54:54,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:54:54,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:54:54,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:54:54,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:54:54,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:54:54,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:54:54,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:54:54,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:54:54,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:54:54,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-03 03:54:54,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:54:54,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:54:54,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:54:54,300 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:54:54,300 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:54:54,300 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:54:54,301 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:54:54,301 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:54:54,301 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:54:54,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 03:54:54,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 03:54:54,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:54:54,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 03:54:54,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:54:54,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:54:54,306 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 03:54:54,307 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 03:54:54,307 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 03:54:54,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:54:54,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:54:54,308 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:54:54,308 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:54:54,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:54:54,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:54:54,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:54:54,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:54:54,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:54:54,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:54:54,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:54:54,311 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:54:54,311 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:54:54,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:54:54,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:54:54,312 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_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-03 03:54:54,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:54:54,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:54:54,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:54:54,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:54:54,812 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:54:54,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-03 03:54:54,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/faa2a0be3/96798c624a61428db912eb21bcd0d0c2/FLAGa8799ac45 [2021-11-03 03:54:55,838 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:54:55,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-03 03:54:55,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/faa2a0be3/96798c624a61428db912eb21bcd0d0c2/FLAGa8799ac45 [2021-11-03 03:54:56,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237eac75-934b-45b9-9326-c4277502a5e7/bin/utaipan-aC7eJsxGYH/data/faa2a0be3/96798c624a61428db912eb21bcd0d0c2 [2021-11-03 03:54:56,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:54:56,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:54:56,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:56,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:54:56,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:54:56,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:56" (1/1) ... [2021-11-03 03:54:56,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778dace4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:56, skipping insertion in model container [2021-11-03 03:54:56,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:56" (1/1) ... [2021-11-03 03:54:56,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:54:56,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:54:57,634 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-03 03:54:57,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c8cafc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:57, skipping insertion in model container [2021-11-03 03:54:57,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:57,636 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:54:57,638 INFO L168 Benchmark]: Toolchain (without parser) took 1304.53 ms. Allocated memory is still 69.2 MB. Free memory was 48.9 MB in the beginning and 40.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:54:57,640 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:54:57,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1301.42 ms. Allocated memory is still 69.2 MB. Free memory was 48.7 MB in the beginning and 40.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:54:57,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 50.2 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1301.42 ms. Allocated memory is still 69.2 MB. Free memory was 48.7 MB in the beginning and 40.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 16.5 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN