./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG --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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG --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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:35:17,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:35:17,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:35:17,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:35:17,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:35:17,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:35:17,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:35:17,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:35:17,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:35:17,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:35:17,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:35:17,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:35:17,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:35:17,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:35:17,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:35:17,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:35:17,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:35:17,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:35:17,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:35:17,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:35:17,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:35:17,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:35:17,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:35:17,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:35:17,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:35:17,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:35:17,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:35:17,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:35:17,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:35:17,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:35:17,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:35:17,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:35:17,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:35:17,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:35:17,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:35:17,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:35:17,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:35:17,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:35:17,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:35:17,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:35:17,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:35:17,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-29 04:35:17,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:35:17,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:35:17,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:35:17,261 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:35:17,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:35:17,262 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:35:17,262 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:35:17,262 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:35:17,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:35:17,263 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:35:17,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:35:17,264 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:35:17,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:35:17,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:35:17,265 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:35:17,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:35:17,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:35:17,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:35:17,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:35:17,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:35:17,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:35:17,268 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:35:17,268 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:35:17,268 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:35:17,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:35:17,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:35:17,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:35:17,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:35:17,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:35:17,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:35:17,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:35:17,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:35:17,272 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:35:17,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:35:17,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:35:17,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:35:17,272 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_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2021-10-29 04:35:17,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:35:17,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:35:17,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:35:17,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:35:17,642 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:35:17,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-29 04:35:17,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/4059bf7af/8bf04c934efb4564a6305d246e5d96c1/FLAG272fcef30 [2021-10-29 04:35:18,575 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:35:18,575 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-29 04:35:18,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/4059bf7af/8bf04c934efb4564a6305d246e5d96c1/FLAG272fcef30 [2021-10-29 04:35:18,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/4059bf7af/8bf04c934efb4564a6305d246e5d96c1 [2021-10-29 04:35:18,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:35:18,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:35:18,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:35:18,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:35:18,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:35:18,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:35:18" (1/1) ... [2021-10-29 04:35:18,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23153b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:35:18, skipping insertion in model container [2021-10-29 04:35:18,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:35:18" (1/1) ... [2021-10-29 04:35:18,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:35:18,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:35:20,247 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-29 04:35:20,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47f350c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:35:20, skipping insertion in model container [2021-10-29 04:35:20,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:35:20,248 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:35:20,251 INFO L168 Benchmark]: Toolchain (without parser) took 1583.42 ms. Allocated memory is still 102.8 MB. Free memory was 78.1 MB in the beginning and 57.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:20,252 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 102.8 MB. Free memory is still 77.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:35:20,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1574.98 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 57.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:20,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 102.8 MB. Free memory is still 77.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1574.98 ms. Allocated memory is still 102.8 MB. Free memory was 77.8 MB in the beginning and 57.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:35:22,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:35:22,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:35:22,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:35:22,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:35:22,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:35:22,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:35:22,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:35:22,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:35:22,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:35:22,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:35:22,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:35:22,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:35:22,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:35:22,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:35:22,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:35:22,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:35:22,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:35:22,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:35:22,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:35:22,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:35:22,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:35:22,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:35:22,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:35:22,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:35:22,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:35:22,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:35:22,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:35:22,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:35:22,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:35:22,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:35:22,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:35:22,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:35:22,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:35:22,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:35:22,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:35:22,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:35:22,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:35:22,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:35:22,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:35:22,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:35:22,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-29 04:35:22,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:35:22,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:35:22,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:35:22,742 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:35:22,743 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:35:22,743 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:35:22,743 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:35:22,743 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:35:22,743 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:35:22,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:35:22,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:35:22,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:35:22,747 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:35:22,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:35:22,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:35:22,748 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:35:22,748 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:35:22,748 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:35:22,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:35:22,748 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:35:22,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:35:22,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:35:22,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:35:22,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:35:22,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:35:22,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:35:22,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:35:22,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:35:22,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:35:22,751 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:35:22,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:35:22,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:35:22,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:35:22,752 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_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2021-10-29 04:35:23,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:35:23,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:35:23,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:35:23,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:35:23,173 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:35:23,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-29 04:35:23,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/be8f4b986/3936da132cdf4dc88a245a07c4197372/FLAGb702feb2e [2021-10-29 04:35:24,049 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:35:24,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-29 04:35:24,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/be8f4b986/3936da132cdf4dc88a245a07c4197372/FLAGb702feb2e [2021-10-29 04:35:24,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f63869ec-942b-4f47-99ef-588c97fcbb89/bin/utaipan-SDwSMHVbGG/data/be8f4b986/3936da132cdf4dc88a245a07c4197372 [2021-10-29 04:35:24,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:35:24,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:35:24,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:35:24,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:35:24,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:35:24,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:35:24" (1/1) ... [2021-10-29 04:35:24,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443dbfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:35:24, skipping insertion in model container [2021-10-29 04:35:24,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:35:24" (1/1) ... [2021-10-29 04:35:24,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:35:24,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:35:26,396 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-29 04:35:26,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fbb8f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:35:26, skipping insertion in model container [2021-10-29 04:35:26,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:35:26,402 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:35:26,406 INFO L168 Benchmark]: Toolchain (without parser) took 1787.52 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.5 MB in the beginning and 58.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:26,407 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:35:26,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1784.94 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 58.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:35:26,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1784.94 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 58.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: 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...