./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8 --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 3381f893b51659740208d183047dc7a08e935843 ......................................................................................................................................... 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_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8 --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 3381f893b51659740208d183047dc7a08e935843 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:16:53,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:16:53,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:16:53,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:16:53,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:16:53,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:16:53,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:16:53,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:16:53,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:16:53,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:16:53,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:16:53,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:16:53,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:16:53,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:16:53,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:16:53,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:16:53,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:16:53,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:16:53,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:16:53,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:16:53,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:16:53,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:16:53,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:16:53,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:16:53,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:16:53,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:16:53,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:16:53,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:16:53,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:16:53,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:16:53,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:16:53,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:16:53,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:16:53,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:16:53,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:16:53,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:16:53,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:16:53,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:16:53,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:16:53,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:16:53,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:16:53,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:16:53,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:16:53,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:16:53,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:16:53,152 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:16:53,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:16:53,152 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:16:53,152 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:16:53,153 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:16:53,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:16:53,153 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:16:53,153 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:16:53,153 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:16:53,153 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:16:53,154 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:16:53,154 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:16:53,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:16:53,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:16:53,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:16:53,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:16:53,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:16:53,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:16:53,156 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:16:53,156 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:16:53,156 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:16:53,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:16:53,156 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:16:53,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:16:53,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:16:53,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:16:53,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:16:53,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:16:53,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:16:53,158 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:16:53,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:16:53,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:16:53,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:16:53,159 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_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2021-10-13 07:16:53,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:16:53,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:16:53,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:16:53,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:16:53,427 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:16:53,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-13 07:16:53,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/0702bd7b9/2d7642f4b5a04007b851990ab04928fd/FLAGcc113948a [2021-10-13 07:16:54,167 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:16:54,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-13 07:16:54,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/0702bd7b9/2d7642f4b5a04007b851990ab04928fd/FLAGcc113948a [2021-10-13 07:16:54,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/0702bd7b9/2d7642f4b5a04007b851990ab04928fd [2021-10-13 07:16:54,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:16:54,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:16:54,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:54,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:16:54,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:16:54,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:54" (1/1) ... [2021-10-13 07:16:54,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657feb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:54, skipping insertion in model container [2021-10-13 07:16:54,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:54" (1/1) ... [2021-10-13 07:16:54,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:16:54,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:16:55,338 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:16:55,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79ecd708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:55, skipping insertion in model container [2021-10-13 07:16:55,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:55,340 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:16:55,342 INFO L168 Benchmark]: Toolchain (without parser) took 993.88 ms. Allocated memory is still 98.6 MB. Free memory was 76.4 MB in the beginning and 62.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:55,342 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:16:55,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 988.67 ms. Allocated memory is still 98.6 MB. Free memory was 76.1 MB in the beginning and 62.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:55,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 988.67 ms. Allocated memory is still 98.6 MB. Free memory was 76.1 MB in the beginning and 62.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:16:57,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:16:57,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:16:57,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:16:57,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:16:57,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:16:57,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:16:57,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:16:57,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:16:57,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:16:57,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:16:57,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:16:57,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:16:57,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:16:57,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:16:57,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:16:57,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:16:57,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:16:57,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:16:57,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:16:57,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:16:57,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:16:57,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:16:57,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:16:57,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:16:57,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:16:57,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:16:57,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:16:57,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:16:57,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:16:57,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:16:57,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:16:57,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:16:57,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:16:57,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:16:57,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:16:57,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:16:57,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:16:57,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:16:57,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:16:57,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:16:57,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:16:57,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:16:57,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:16:57,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:16:57,747 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:16:57,747 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:16:57,747 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:16:57,748 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:16:57,748 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:16:57,748 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:16:57,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:16:57,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:16:57,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:16:57,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:16:57,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:16:57,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:16:57,752 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:16:57,752 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:16:57,752 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:16:57,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:16:57,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:16:57,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:16:57,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:16:57,753 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:16:57,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:16:57,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:16:57,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:16:57,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:16:57,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:16:57,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:16:57,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:16:57,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:16:57,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:16:57,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:16:57,757 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_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3381f893b51659740208d183047dc7a08e935843 [2021-10-13 07:16:58,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:16:58,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:16:58,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:16:58,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:16:58,143 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:16:58,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-13 07:16:58,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/4c146de26/f3dc10b6632e42f2881d8fac42df32e6/FLAG1a636432f [2021-10-13 07:16:58,914 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:16:58,915 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-10-13 07:16:58,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/4c146de26/f3dc10b6632e42f2881d8fac42df32e6/FLAG1a636432f [2021-10-13 07:16:59,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_197a81d6-3d9b-4239-883b-27520a801f59/bin/utaipan-q2qaUkNPG8/data/4c146de26/f3dc10b6632e42f2881d8fac42df32e6 [2021-10-13 07:16:59,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:16:59,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:16:59,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:59,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:16:59,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:16:59,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:59" (1/1) ... [2021-10-13 07:16:59,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4acc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:59, skipping insertion in model container [2021-10-13 07:16:59,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:59" (1/1) ... [2021-10-13 07:16:59,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:16:59,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:17:00,277 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:17:00,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c8a4e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:00, skipping insertion in model container [2021-10-13 07:17:00,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:17:00,278 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:17:00,280 INFO L168 Benchmark]: Toolchain (without parser) took 1214.32 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 29.5 MB in the beginning and 53.6 MB in the end (delta: -24.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:00,281 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:17:00,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1210.21 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 29.3 MB in the beginning and 53.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:17:00,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1210.21 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 29.3 MB in the beginning and 53.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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...