./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/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_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH --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 0.2.1-dev-9ad7fb2 [2021-11-03 04:37:58,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:37:58,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:37:58,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:37:58,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:37:58,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:37:58,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:37:58,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:37:58,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:37:58,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:37:58,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:37:58,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:37:58,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:37:58,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:37:58,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:37:58,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:37:58,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:37:58,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:37:58,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:37:58,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:37:58,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:37:58,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:37:58,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:37:58,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:37:58,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:37:58,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:37:58,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:37:58,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:37:58,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:37:58,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:37:58,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:37:58,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:37:58,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:37:58,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:37:58,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:37:58,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:37:58,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:37:58,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:37:58,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:37:58,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:37:58,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:37:58,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-03 04:37:58,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:37:58,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:37:58,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:37:58,683 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:37:58,683 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:37:58,684 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:37:58,684 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:37:58,684 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:37:58,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:37:58,684 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:37:58,685 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:37:58,685 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:37:58,685 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:37:58,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:37:58,685 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:37:58,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 04:37:58,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 04:37:58,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:37:58,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 04:37:58,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:37:58,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:37:58,691 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 04:37:58,692 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 04:37:58,692 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 04:37:58,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:37:58,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:37:58,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:37:58,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:37:58,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:37:58,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:37:58,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:37:58,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:37:58,697 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:37:58,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:37:58,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:37:58,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:37:58,699 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_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-03 04:37:58,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:37:59,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:37:59,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:37:59,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:37:59,015 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:37:59,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-03 04:37:59,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/9ebc94eee/c1a492f37d38428daee30b8a5153f347/FLAG73dee9722 [2021-11-03 04:37:59,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:37:59,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-03 04:37:59,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/9ebc94eee/c1a492f37d38428daee30b8a5153f347/FLAG73dee9722 [2021-11-03 04:37:59,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/9ebc94eee/c1a492f37d38428daee30b8a5153f347 [2021-11-03 04:37:59,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:37:59,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:37:59,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:37:59,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:37:59,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:37:59,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:37:59" (1/1) ... [2021-11-03 04:37:59,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5ec95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:37:59, skipping insertion in model container [2021-11-03 04:37:59,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:37:59" (1/1) ... [2021-11-03 04:37:59,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:38:00,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:38:01,421 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-03 04:38:01,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7be76e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:01, skipping insertion in model container [2021-11-03 04:38:01,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:01,422 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:38:01,425 INFO L168 Benchmark]: Toolchain (without parser) took 1465.33 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 62.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:01,425 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 83.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:38:01,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1462.51 ms. Allocated memory is still 104.9 MB. Free memory was 60.4 MB in the beginning and 62.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:01,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 83.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1462.51 ms. Allocated memory is still 104.9 MB. Free memory was 60.4 MB in the beginning and 62.7 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * 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_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/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_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH --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 0.2.1-dev-9ad7fb2 [2021-11-03 04:38:03,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:38:03,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:38:03,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:38:03,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:38:03,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:38:03,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:38:03,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:38:03,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:38:03,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:38:03,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:38:03,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:38:03,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:38:03,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:38:03,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:38:03,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:38:03,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:38:03,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:38:03,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:38:03,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:38:03,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:38:03,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:38:03,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:38:03,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:38:03,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:38:03,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:38:03,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:38:03,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:38:03,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:38:03,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:38:03,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:38:03,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:38:03,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:38:03,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:38:03,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:38:03,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:38:03,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:38:03,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:38:03,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:38:03,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:38:03,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:38:03,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-03 04:38:03,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:38:03,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:38:03,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:38:03,832 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:38:03,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:38:03,833 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:38:03,833 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:38:03,833 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:38:03,834 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:38:03,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 04:38:03,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 04:38:03,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:38:03,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 04:38:03,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:38:03,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:38:03,838 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 04:38:03,838 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 04:38:03,838 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 04:38:03,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:38:03,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:38:03,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:38:03,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:38:03,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:38:03,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:38:03,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:38:03,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:38:03,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:38:03,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:38:03,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:38:03,841 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:38:03,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:38:03,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:38:03,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:38:03,843 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_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3829c2147007fd8d4b122857be90b96f2f0b16c9a49b3e85ba000cff65252b1 [2021-11-03 04:38:04,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:38:04,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:38:04,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:38:04,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:38:04,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:38:04,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-03 04:38:04,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/e879aa01e/04cf654edc394d49b42d72b9a48edc6d/FLAGf6bd8504b [2021-11-03 04:38:05,159 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:38:05,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2021-11-03 04:38:05,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/e879aa01e/04cf654edc394d49b42d72b9a48edc6d/FLAGf6bd8504b [2021-11-03 04:38:05,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd023953-13a1-4bff-93e7-c61bbebed5c0/bin/utaipan-aC7eJsxGYH/data/e879aa01e/04cf654edc394d49b42d72b9a48edc6d [2021-11-03 04:38:05,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:38:05,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:38:05,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:05,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:38:05,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:38:05,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:05" (1/1) ... [2021-11-03 04:38:05,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ba29e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:05, skipping insertion in model container [2021-11-03 04:38:05,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:05" (1/1) ... [2021-11-03 04:38:05,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:38:05,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:38:07,294 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-03 04:38:07,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12d1f55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:07, skipping insertion in model container [2021-11-03 04:38:07,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:07,297 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:38:07,300 INFO L168 Benchmark]: Toolchain (without parser) took 1590.76 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 47.3 MB in the beginning and 65.4 MB in the end (delta: -18.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:07,302 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:38:07,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1585.49 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 47.1 MB in the beginning and 65.4 MB in the end (delta: -18.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:07,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1585.49 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 47.1 MB in the beginning and 65.4 MB in the end (delta: -18.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * 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