./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7 --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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:58:53,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:58:53,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:58:53,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:58:53,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:58:53,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:58:53,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:58:53,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:58:53,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:58:53,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:58:53,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:58:53,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:58:53,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:58:53,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:58:53,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:58:53,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:58:53,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:58:53,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:58:53,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:58:53,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:58:53,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:58:53,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:58:53,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:58:53,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:58:53,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:58:53,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:58:53,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:58:53,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:58:53,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:58:53,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:58:53,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:58:53,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:58:53,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:58:53,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:58:53,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:58:53,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:58:53,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:58:53,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:58:53,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:58:53,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:58:53,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:58:53,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 19:58:53,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:58:53,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:58:53,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:58:53,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:58:53,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:58:53,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:58:53,654 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:58:53,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:58:53,655 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:58:53,655 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:58:53,656 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:58:53,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:58:53,657 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:58:53,657 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:58:53,657 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:58:53,657 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:58:53,657 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:58:53,658 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:58:53,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 19:58:53,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 19:58:53,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:58:53,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:58:53,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:58:53,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:58:53,661 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 19:58:53,661 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 19:58:53,662 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 19:58:53,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:58:53,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:58:53,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:58:53,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:58:53,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:58:53,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:58:53,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:58:53,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:58:53,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:58:53,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:58:53,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:58:53,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:58:53,665 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_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2021-11-25 19:58:53,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:58:53,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:58:53,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:58:53,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:58:53,961 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:58:53,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-25 19:58:54,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/0cbb6c2b2/eff14107ac30424bb73638caee30f59e/FLAGa08528e8d [2021-11-25 19:58:54,655 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:58:54,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-25 19:58:54,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/0cbb6c2b2/eff14107ac30424bb73638caee30f59e/FLAGa08528e8d [2021-11-25 19:58:55,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/0cbb6c2b2/eff14107ac30424bb73638caee30f59e [2021-11-25 19:58:55,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:58:55,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:58:55,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:58:55,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:58:55,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:58:55,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:55" (1/1) ... [2021-11-25 19:58:55,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4002545b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:55, skipping insertion in model container [2021-11-25 19:58:55,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:55" (1/1) ... [2021-11-25 19:58:55,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:58:55,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:58:56,436 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 19:58:56,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4780d6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:56, skipping insertion in model container [2021-11-25 19:58:56,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:58:56,438 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:58:56,440 INFO L158 Benchmark]: Toolchain (without parser) took 1418.73ms. Allocated memory is still 107.0MB. Free memory was 63.7MB in the beginning and 69.3MB in the end (delta: -5.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-25 19:58:56,440 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:58:56,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1416.11ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 69.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-25 19:58:56,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1416.11ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 69.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7 --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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:58:58,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:58:58,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:58:58,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:58:58,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:58:58,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:58:58,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:58:58,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:58:58,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:58:58,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:58:58,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:58:58,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:58:58,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:58:58,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:58:58,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:58:58,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:58:58,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:58:58,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:58:58,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:58:58,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:58:58,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:58:58,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:58:58,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:58:58,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:58:58,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:58:58,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:58:58,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:58:58,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:58:58,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:58:58,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:58:58,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:58:58,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:58:58,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:58:58,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:58:58,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:58:58,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:58:58,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:58:58,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:58:58,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:58:58,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:58:58,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:58:58,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 19:58:58,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:58:58,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:58:58,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:58:58,808 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:58:58,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:58:58,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:58:58,810 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:58:58,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:58:58,810 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:58:58,810 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:58:58,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:58:58,812 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:58:58,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 19:58:58,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 19:58:58,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:58:58,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:58:58,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:58:58,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:58:58,815 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 19:58:58,815 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 19:58:58,815 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 19:58:58,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:58:58,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:58:58,816 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:58:58,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:58:58,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:58:58,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:58:58,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:58:58,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:58:58,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:58:58,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:58:58,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:58:58,818 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:58:58,818 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:58:58,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:58:58,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:58:58,819 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_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2021-11-25 19:58:59,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:58:59,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:58:59,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:58:59,267 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:58:59,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:58:59,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-25 19:58:59,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/dd80e164d/3f8356df206d4b618c0918ce0ccd3ccb/FLAG8c167cafa [2021-11-25 19:59:00,121 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:59:00,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-11-25 19:59:00,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/dd80e164d/3f8356df206d4b618c0918ce0ccd3ccb/FLAG8c167cafa [2021-11-25 19:59:00,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_823c9065-6cff-4275-83b2-321c37626428/bin/utaipan-eEHZpOm5b7/data/dd80e164d/3f8356df206d4b618c0918ce0ccd3ccb [2021-11-25 19:59:00,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:59:00,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:59:00,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:59:00,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:59:00,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:59:00,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:59:00" (1/1) ... [2021-11-25 19:59:00,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbf925a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:00, skipping insertion in model container [2021-11-25 19:59:00,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:59:00" (1/1) ... [2021-11-25 19:59:00,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:59:00,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:59:01,798 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 19:59:01,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62533ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:01, skipping insertion in model container [2021-11-25 19:59:01,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:59:01,799 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:59:01,802 INFO L158 Benchmark]: Toolchain (without parser) took 1564.78ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 27.7MB in the beginning and 45.1MB in the end (delta: -17.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-25 19:59:01,802 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:59:01,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1561.52ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 27.5MB in the beginning and 45.1MB in the end (delta: -17.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-25 19:59:01,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1561.52ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 27.5MB in the beginning and 45.1MB in the end (delta: -17.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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