./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/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_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:37:04,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:37:04,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:37:04,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:37:04,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:37:04,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:37:04,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:37:04,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:37:04,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:37:04,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:37:04,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:37:04,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:37:04,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:37:04,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:37:04,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:37:04,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:37:04,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:37:04,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:37:04,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:37:04,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:37:04,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:37:04,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:37:04,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:37:04,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:37:04,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:37:04,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:37:04,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:37:04,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:37:04,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:37:04,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:37:04,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:37:04,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:37:04,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:37:04,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:37:04,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:37:04,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:37:04,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:37:04,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:37:04,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:37:04,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:37:04,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:37:04,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 02:37:04,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:37:04,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:37:04,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:37:04,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:37:04,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:37:04,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:37:04,267 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:37:04,267 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:37:04,268 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:37:04,268 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:37:04,269 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:37:04,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:37:04,270 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:37:04,270 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:37:04,270 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:37:04,271 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:37:04,271 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:37:04,271 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:37:04,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:37:04,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:37:04,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:37:04,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:37:04,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:37:04,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:37:04,276 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:37:04,276 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:37:04,277 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:37:04,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:37:04,277 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:37:04,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:37:04,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:37:04,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:37:04,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:37:04,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:37:04,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:37:04,280 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:37:04,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:37:04,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:37:04,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:37:04,282 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_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-23 02:37:04,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:37:04,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:37:04,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:37:04,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:37:04,638 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:37:04,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-23 02:37:04,739 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/cfce8f022/aaa212022d2f47cb9d34c95ddde658d7/FLAG87b2e7c62 [2021-11-23 02:37:05,491 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:37:05,492 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-23 02:37:05,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/cfce8f022/aaa212022d2f47cb9d34c95ddde658d7/FLAG87b2e7c62 [2021-11-23 02:37:05,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/cfce8f022/aaa212022d2f47cb9d34c95ddde658d7 [2021-11-23 02:37:05,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:37:05,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:37:05,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:37:05,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:37:05,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:37:05,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:05" (1/1) ... [2021-11-23 02:37:05,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c983f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:05, skipping insertion in model container [2021-11-23 02:37:05,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:05" (1/1) ... [2021-11-23 02:37:05,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:37:05,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:37:07,230 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-23 02:37:07,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d23188e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:07, skipping insertion in model container [2021-11-23 02:37:07,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:37:07,233 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:37:07,236 INFO L158 Benchmark]: Toolchain (without parser) took 1609.06ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 69.0MB in the end (delta: 924.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 02:37:07,237 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:37:07,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1604.32ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 69.0MB in the end (delta: 698.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 02:37:07,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1604.32ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 69.0MB in the end (delta: 698.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/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_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:37:09,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:37:09,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:37:09,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:37:09,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:37:09,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:37:09,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:37:09,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:37:09,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:37:09,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:37:09,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:37:09,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:37:09,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:37:09,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:37:09,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:37:09,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:37:09,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:37:09,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:37:09,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:37:09,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:37:09,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:37:09,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:37:09,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:37:09,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:37:09,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:37:09,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:37:09,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:37:09,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:37:09,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:37:09,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:37:09,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:37:09,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:37:09,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:37:09,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:37:09,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:37:09,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:37:09,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:37:09,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:37:09,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:37:09,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:37:09,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:37:09,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 02:37:09,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:37:09,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:37:09,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:37:09,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:37:09,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:37:09,926 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:37:09,927 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:37:09,927 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:37:09,927 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:37:09,928 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:37:09,929 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:37:09,929 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:37:09,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:37:09,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:37:09,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:37:09,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:37:09,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:37:09,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:37:09,933 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:37:09,933 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:37:09,933 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:37:09,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:37:09,934 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:37:09,934 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:37:09,935 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:37:09,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:37:09,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:37:09,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:37:09,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:37:09,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:37:09,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:37:09,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:37:09,938 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:37:09,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:37:09,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:37:09,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:37:09,939 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_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-23 02:37:10,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:37:10,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:37:10,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:37:10,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:37:10,368 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:37:10,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-23 02:37:10,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/fa395ded0/dd6bd5c8b37743faa1e0eff4279e63dc/FLAGc483ce85a [2021-11-23 02:37:11,262 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:37:11,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-23 02:37:11,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/fa395ded0/dd6bd5c8b37743faa1e0eff4279e63dc/FLAGc483ce85a [2021-11-23 02:37:11,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdecb33-7a63-40b4-adb7-7e60a743239d/bin/utaipan-EQgc7hIp5V/data/fa395ded0/dd6bd5c8b37743faa1e0eff4279e63dc [2021-11-23 02:37:11,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:37:11,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:37:11,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:37:11,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:37:11,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:37:11,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:11" (1/1) ... [2021-11-23 02:37:11,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49435f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:11, skipping insertion in model container [2021-11-23 02:37:11,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:11" (1/1) ... [2021-11-23 02:37:11,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:37:11,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:37:12,622 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-23 02:37:12,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ee12494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:12, skipping insertion in model container [2021-11-23 02:37:12,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:37:12,623 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:37:12,628 INFO L158 Benchmark]: Toolchain (without parser) took 1213.51ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.7MB in the beginning and 39.4MB in the end (delta: -4.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 02:37:12,629 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:37:12,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.33ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 39.4MB in the end (delta: -4.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 02:37:12,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.33ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 39.4MB in the end (delta: -4.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * 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