./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:32:10,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:32:10,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:32:10,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:32:10,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:32:10,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:32:10,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:32:10,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:32:10,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:32:10,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:32:10,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:32:10,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:32:10,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:32:10,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:32:10,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:32:10,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:32:10,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:32:10,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:32:10,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:32:10,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:32:10,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:32:10,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:32:10,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:32:10,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:32:10,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:32:10,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:32:10,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:32:10,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:32:10,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:32:10,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:32:10,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:32:10,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:32:10,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:32:10,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:32:10,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:32:10,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:32:10,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:32:10,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:32:10,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:32:10,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:32:10,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:32:10,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 22:32:10,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:32:10,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:32:10,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:32:10,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:32:10,513 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:32:10,513 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:32:10,513 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:32:10,513 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:32:10,514 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:32:10,514 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:32:10,514 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:32:10,514 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:32:10,514 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:32:10,515 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:32:10,515 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:32:10,515 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:32:10,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:32:10,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:32:10,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:32:10,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:32:10,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:32:10,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:32:10,518 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:32:10,518 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:32:10,518 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:32:10,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:32:10,519 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:32:10,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:32:10,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:32:10,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:32:10,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:32:10,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:32:10,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:32:10,520 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:32:10,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:32:10,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:32:10,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:32:10,521 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_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-12 22:32:10,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:32:10,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:32:10,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:32:10,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:32:10,884 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:32:10,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-12 22:32:10,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/8f7ed470d/9d290a2eccc948c3b7a1681ae1f70a8f/FLAGd0c66d85c [2021-11-12 22:32:11,681 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:32:11,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-12 22:32:11,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/8f7ed470d/9d290a2eccc948c3b7a1681ae1f70a8f/FLAGd0c66d85c [2021-11-12 22:32:11,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/8f7ed470d/9d290a2eccc948c3b7a1681ae1f70a8f [2021-11-12 22:32:11,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:32:11,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:32:11,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:11,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:32:11,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:32:11,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:11" (1/1) ... [2021-11-12 22:32:11,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4386eeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:11, skipping insertion in model container [2021-11-12 22:32:11,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:11" (1/1) ... [2021-11-12 22:32:11,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:32:11,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:32:13,098 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-12 22:32:13,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6558764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:13, skipping insertion in model container [2021-11-12 22:32:13,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:13,100 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:32:13,102 INFO L158 Benchmark]: Toolchain (without parser) took 1289.24ms. Allocated memory is still 115.3MB. Free memory was 92.5MB in the beginning and 77.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-12 22:32:13,103 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:32:13,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1286.46ms. Allocated memory is still 115.3MB. Free memory was 92.5MB in the beginning and 77.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-12 22:32:13,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1286.46ms. Allocated memory is still 115.3MB. Free memory was 92.5MB in the beginning and 77.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:32:15,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:32:15,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:32:15,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:32:15,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:32:15,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:32:15,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:32:15,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:32:15,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:32:15,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:32:15,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:32:15,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:32:15,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:32:15,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:32:15,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:32:15,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:32:15,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:32:15,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:32:15,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:32:15,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:32:15,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:32:15,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:32:15,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:32:15,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:32:15,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:32:15,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:32:15,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:32:15,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:32:15,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:32:15,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:32:15,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:32:15,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:32:15,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:32:15,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:32:15,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:32:15,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:32:15,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:32:15,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:32:15,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:32:15,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:32:15,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:32:15,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 22:32:15,615 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:32:15,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:32:15,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:32:15,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:32:15,616 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:32:15,617 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:32:15,617 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:32:15,617 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:32:15,617 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:32:15,617 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:32:15,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:32:15,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:32:15,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:32:15,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:32:15,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:32:15,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:32:15,620 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:32:15,620 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:32:15,620 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:32:15,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:32:15,620 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:32:15,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:32:15,621 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:32:15,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:32:15,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:32:15,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:32:15,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:32:15,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:32:15,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:32:15,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:32:15,623 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:32:15,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:32:15,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:32:15,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:32:15,623 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_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-12 22:32:16,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:32:16,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:32:16,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:32:16,056 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:32:16,057 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:32:16,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-12 22:32:16,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/1d0d2753e/ef8b8d81a5ad44d4b0762ad03c1b3bc6/FLAG2fa9befe8 [2021-11-12 22:32:17,083 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:32:17,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-12 22:32:17,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/1d0d2753e/ef8b8d81a5ad44d4b0762ad03c1b3bc6/FLAG2fa9befe8 [2021-11-12 22:32:17,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d93e3f-e6dd-499b-b1ec-843cfe961cc0/bin/utaipan-vmNK8stdcF/data/1d0d2753e/ef8b8d81a5ad44d4b0762ad03c1b3bc6 [2021-11-12 22:32:17,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:32:17,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:32:17,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:17,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:32:17,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:32:17,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:17" (1/1) ... [2021-11-12 22:32:17,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed60f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:17, skipping insertion in model container [2021-11-12 22:32:17,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:17" (1/1) ... [2021-11-12 22:32:17,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:32:17,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:32:18,951 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-11-12 22:32:18,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b28e38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:18, skipping insertion in model container [2021-11-12 22:32:18,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:18,953 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:32:18,955 INFO L158 Benchmark]: Toolchain (without parser) took 1353.36ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 43.9MB in the end (delta: 6.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-12 22:32:18,956 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:32:18,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1350.83ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 44.2MB in the end (delta: 6.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-12 22:32:18,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1350.83ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 44.2MB in the end (delta: 6.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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