./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:54:53,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:54:53,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:54:53,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:54:53,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:54:53,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:54:53,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:54:53,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:54:53,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:54:53,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:54:53,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:54:53,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:54:53,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:54:53,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:54:53,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:54:53,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:54:53,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:54:53,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:54:53,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:54:53,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:54:53,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:54:53,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:54:53,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:54:53,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:54:53,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:54:53,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:54:53,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:54:53,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:54:53,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:54:53,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:54:53,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:54:53,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:54:53,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:54:53,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:54:53,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:54:53,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:54:53,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:54:53,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:54:53,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:54:53,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:54:53,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:54:53,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 18:54:53,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:54:53,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:54:53,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:54:53,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:54:53,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:54:53,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:54:53,749 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:54:53,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:54:53,750 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:54:53,750 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:54:53,750 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:54:53,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:54:53,751 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:54:53,751 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:54:53,751 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:54:53,751 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:54:53,751 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:54:53,752 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:54:53,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 18:54:53,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 18:54:53,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:54:53,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:54:53,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:54:53,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:54:53,754 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 18:54:53,754 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 18:54:53,754 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 18:54:53,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:54:53,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:54:53,760 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:54:53,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:54:53,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:54:53,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:54:53,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:54:53,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:54:53,762 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:54:53,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:54:53,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:54:53,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:54:53,763 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_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-25 18:54:54,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:54:54,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:54:54,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:54:54,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:54:54,063 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:54:54,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-25 18:54:54,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/1bfbff36d/20473fcfaf5f4374a900b3ee61bc1137/FLAG320e61978 [2021-11-25 18:54:54,944 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:54:54,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-25 18:54:54,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/1bfbff36d/20473fcfaf5f4374a900b3ee61bc1137/FLAG320e61978 [2021-11-25 18:54:55,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/1bfbff36d/20473fcfaf5f4374a900b3ee61bc1137 [2021-11-25 18:54:55,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:54:55,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:54:55,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:54:55,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:54:55,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:54:55,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:54:55" (1/1) ... [2021-11-25 18:54:55,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d07b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:55, skipping insertion in model container [2021-11-25 18:54:55,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:54:55" (1/1) ... [2021-11-25 18:54:55,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:54:55,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:54:57,232 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 18:54:57,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b5a24d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:57, skipping insertion in model container [2021-11-25 18:54:57,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:54:57,234 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:54:57,236 INFO L158 Benchmark]: Toolchain (without parser) took 1730.72ms. Allocated memory is still 123.7MB. Free memory was 81.1MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-25 18:54:57,237 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 93.3MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:54:57,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1725.57ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 78.6MB in the end (delta: 2.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-25 18:54:57,240 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 123.7MB. Free memory was 93.3MB in the beginning and 93.3MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1725.57ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 78.6MB in the end (delta: 2.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:54:59,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:54:59,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:54:59,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:54:59,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:54:59,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:54:59,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:54:59,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:54:59,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:54:59,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:54:59,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:54:59,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:54:59,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:54:59,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:54:59,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:54:59,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:54:59,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:54:59,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:54:59,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:54:59,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:54:59,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:54:59,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:54:59,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:54:59,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:54:59,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:54:59,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:54:59,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:54:59,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:54:59,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:54:59,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:54:59,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:54:59,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:54:59,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:54:59,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:54:59,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:54:59,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:54:59,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:54:59,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:54:59,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:54:59,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:54:59,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:54:59,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 18:54:59,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:54:59,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:54:59,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:54:59,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:54:59,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:54:59,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:54:59,781 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:54:59,781 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:54:59,782 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:54:59,782 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:54:59,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:54:59,782 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:54:59,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 18:54:59,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 18:54:59,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:54:59,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:54:59,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:54:59,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:54:59,784 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 18:54:59,785 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 18:54:59,785 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 18:54:59,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:54:59,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:54:59,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:54:59,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:54:59,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:54:59,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:54:59,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:54:59,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:54:59,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:54:59,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:54:59,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:54:59,788 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:54:59,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:54:59,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:54:59,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:54:59,788 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_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-25 18:55:00,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:55:00,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:55:00,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:55:00,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:55:00,207 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:55:00,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-25 18:55:00,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/cc68a3607/121d693fc7534eeaa6bbe03347eeec88/FLAGa99d46ad5 [2021-11-25 18:55:01,166 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:55:01,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-25 18:55:01,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/cc68a3607/121d693fc7534eeaa6bbe03347eeec88/FLAGa99d46ad5 [2021-11-25 18:55:01,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a35bbe9-aa67-4ed2-8116-4ba93f66a183/bin/utaipan-eEHZpOm5b7/data/cc68a3607/121d693fc7534eeaa6bbe03347eeec88 [2021-11-25 18:55:01,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:55:01,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:55:01,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:55:01,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:55:01,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:55:01,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:55:01" (1/1) ... [2021-11-25 18:55:01,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c225803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:01, skipping insertion in model container [2021-11-25 18:55:01,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:55:01" (1/1) ... [2021-11-25 18:55:01,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:55:01,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:55:03,231 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 18:55:03,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1093dda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:55:03, skipping insertion in model container [2021-11-25 18:55:03,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:55:03,232 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:55:03,235 INFO L158 Benchmark]: Toolchain (without parser) took 1567.53ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 45.8MB in the end (delta: -9.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-25 18:55:03,235 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:55:03,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1565.23ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 36.5MB in the beginning and 45.8MB in the end (delta: -9.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-25 18:55:03,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1565.23ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 36.5MB in the beginning and 45.8MB in the end (delta: -9.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN