./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P --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 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:35,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:35,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:35,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:35,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:35,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:35,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:35,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:35,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:35,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:35,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:35,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:35,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:35,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:35,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:35,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:35,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:35,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:35,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:35,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:35,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:35,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:35,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:35,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:35,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:35,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:35,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:35,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:35,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:35,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:35,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:35,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:35,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:35,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:35,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:35,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:35,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:35,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:35,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:35,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:35,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:35,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-20 23:12:35,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:35,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:35,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:35,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:35,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:35,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:35,642 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:35,642 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:35,642 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:35,642 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:12:35,643 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:35,644 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:35,644 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:12:35,644 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:12:35,644 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:35,645 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:12:35,645 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:12:35,645 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:12:35,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:12:35,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:12:35,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:35,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:12:35,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:12:35,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:35,647 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:12:35,648 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:12:35,648 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:12:35,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:35,648 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:12:35,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:35,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:35,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:35,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:35,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:35,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:35,650 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:12:35,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:12:35,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:35,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:35,651 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_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2021-11-20 23:12:35,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:35,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:35,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:35,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:35,963 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:35,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2021-11-20 23:12:36,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/d7545c4e1/4f0dbda6461643399b95bfc870afc3ec/FLAGb4c97e3ff [2021-11-20 23:12:36,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:36,810 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2021-11-20 23:12:36,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/d7545c4e1/4f0dbda6461643399b95bfc870afc3ec/FLAGb4c97e3ff [2021-11-20 23:12:36,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/d7545c4e1/4f0dbda6461643399b95bfc870afc3ec [2021-11-20 23:12:36,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:36,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:36,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:36,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:36,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:36,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:36" (1/1) ... [2021-11-20 23:12:36,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685f2a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:36, skipping insertion in model container [2021-11-20 23:12:36,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:36" (1/1) ... [2021-11-20 23:12:36,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:37,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:38,173 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-20 23:12:38,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57b765be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:38, skipping insertion in model container [2021-11-20 23:12:38,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:38,175 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:12:38,177 INFO L158 Benchmark]: Toolchain (without parser) took 1229.56ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 65.7MB in the end (delta: -5.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-20 23:12:38,178 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:12:38,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1226.27ms. Allocated memory is still 104.9MB. Free memory was 60.1MB in the beginning and 65.7MB in the end (delta: -5.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-20 23:12:38,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1226.27ms. Allocated memory is still 104.9MB. Free memory was 60.1MB in the beginning and 65.7MB in the end (delta: -5.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P --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 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:40,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:40,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:40,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:40,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:40,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:40,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:40,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:40,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:40,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:40,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:40,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:40,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:40,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:40,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:40,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:40,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:40,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:40,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:40,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:40,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:40,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:40,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:40,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:40,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:40,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:40,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:40,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:40,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:40,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:40,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:40,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:40,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:40,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:40,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:40,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:40,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:40,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:40,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:40,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:40,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:40,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-20 23:12:40,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:40,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:40,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:40,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:40,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:40,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:40,574 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:40,574 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:40,574 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:40,574 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:40,575 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:40,576 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:40,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:12:40,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:12:40,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:40,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:12:40,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:12:40,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:40,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:12:40,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:12:40,579 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:12:40,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:40,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:12:40,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:12:40,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:12:40,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:40,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:40,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:12:40,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:40,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:40,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:40,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:40,582 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:12:40,582 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:12:40,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:40,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:40,583 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_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2021-11-20 23:12:40,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:41,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:41,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:41,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:41,041 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:41,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2021-11-20 23:12:41,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/ba057bc31/258c0029e73f4f2c8583acae44bfd9ae/FLAGb73e9fa0c [2021-11-20 23:12:41,837 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:41,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2021-11-20 23:12:41,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/ba057bc31/258c0029e73f4f2c8583acae44bfd9ae/FLAGb73e9fa0c [2021-11-20 23:12:41,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e95a1e7-f8c7-40bc-8cf7-ab92e51302fa/bin/utaipan-TEXQjIfE4P/data/ba057bc31/258c0029e73f4f2c8583acae44bfd9ae [2021-11-20 23:12:41,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:41,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:41,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:41,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:41,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:41,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:41" (1/1) ... [2021-11-20 23:12:41,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109de5ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:41, skipping insertion in model container [2021-11-20 23:12:41,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:41" (1/1) ... [2021-11-20 23:12:41,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:42,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:43,139 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-20 23:12:43,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2552818a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:43, skipping insertion in model container [2021-11-20 23:12:43,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:43,141 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:12:43,142 INFO L158 Benchmark]: Toolchain (without parser) took 1191.61ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 42.2MB in the end (delta: 8.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-20 23:12:43,143 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:12:43,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1189.39ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 42.2MB in the end (delta: 7.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-20 23:12:43,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1189.39ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 42.2MB in the end (delta: 7.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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