./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI --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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI --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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:19,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:19,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:19,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:19,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:19,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:19,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:19,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:19,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:19,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:19,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:19,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:19,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:19,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:19,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:19,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:19,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:19,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:19,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:19,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:19,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:19,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:19,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:19,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:19,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:19,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:19,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:19,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:19,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:19,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:19,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:19,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:19,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:19,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:19,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:19,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:19,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:19,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:19,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:19,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:19,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:19,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:26:19,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:19,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:19,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:19,685 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:19,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:19,686 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:19,686 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:19,686 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:19,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:19,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:19,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:19,687 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:19,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:19,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:19,691 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:19,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:26:19,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:26:19,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:19,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:26:19,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:19,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:19,694 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:26:19,694 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:26:19,695 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:26:19,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:19,695 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:19,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:19,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:19,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:19,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:19,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:19,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:19,698 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:19,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:19,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:19,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:19,700 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_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2021-10-11 02:26:20,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:20,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:20,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:20,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:20,048 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:20,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-11 02:26:20,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/099b61875/7029b5658e8747a9860854f4d2ab71d0/FLAGb2f770f2e [2021-10-11 02:26:20,974 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:20,975 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-11 02:26:21,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/099b61875/7029b5658e8747a9860854f4d2ab71d0/FLAGb2f770f2e [2021-10-11 02:26:21,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/099b61875/7029b5658e8747a9860854f4d2ab71d0 [2021-10-11 02:26:21,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:21,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:21,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:21,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:21,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:21,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:21" (1/1) ... [2021-10-11 02:26:21,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd3eabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:21, skipping insertion in model container [2021-10-11 02:26:21,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:21" (1/1) ... [2021-10-11 02:26:21,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:21,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:22,566 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-10-11 02:26:22,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@189d5005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:22, skipping insertion in model container [2021-10-11 02:26:22,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:22,568 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:22,570 INFO L168 Benchmark]: Toolchain (without parser) took 1495.99 ms. Allocated memory is still 117.4 MB. Free memory was 72.5 MB in the beginning and 74.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,571 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory is still 93.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:22,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1482.46 ms. Allocated memory is still 117.4 MB. Free memory was 72.3 MB in the beginning and 74.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory is still 93.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1482.46 ms. Allocated memory is still 117.4 MB. Free memory was 72.3 MB in the beginning and 74.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:24,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:24,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:24,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:24,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:24,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:24,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:24,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:24,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:25,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:25,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:25,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:25,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:25,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:25,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:25,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:25,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:25,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:25,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:25,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:25,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:25,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:25,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:25,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:25,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:25,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:25,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:25,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:25,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:25,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:25,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:25,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:25,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:25,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:25,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:25,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:25,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:25,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:25,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:25,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:25,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:25,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-11 02:26:25,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:25,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:25,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:25,113 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:25,113 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:25,113 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:25,114 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:25,114 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:25,114 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:25,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:26:25,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:26:25,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:25,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:26:25,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:25,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:25,119 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:26:25,119 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:26:25,119 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:26:25,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:25,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:25,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:25,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:25,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:25,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:25,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:25,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:25,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:25,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:25,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:25,122 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:25,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:25,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:25,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:25,124 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_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2021-10-11 02:26:25,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:25,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:25,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:25,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:25,554 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:25,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-11 02:26:25,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/6619db3c6/c35e786a82d3401eb23580371570bda0/FLAGf7200ba15 [2021-10-11 02:26:26,427 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:26,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-11 02:26:26,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/6619db3c6/c35e786a82d3401eb23580371570bda0/FLAGf7200ba15 [2021-10-11 02:26:26,494 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5903ad-162d-4d36-b083-4ac9958a15fb/bin/utaipan-WLngWcDbfI/data/6619db3c6/c35e786a82d3401eb23580371570bda0 [2021-10-11 02:26:26,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:26,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:26,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:26,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:26,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:26,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:26" (1/1) ... [2021-10-11 02:26:26,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a42db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:26, skipping insertion in model container [2021-10-11 02:26:26,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:26" (1/1) ... [2021-10-11 02:26:26,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:26,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:27,931 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-10-11 02:26:27,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1168309d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:27, skipping insertion in model container [2021-10-11 02:26:27,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:27,933 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:27,936 INFO L168 Benchmark]: Toolchain (without parser) took 1436.54 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 32.8 MB in the beginning and 39.1 MB in the end (delta: -6.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:27,937 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:27,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1433.71 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 32.6 MB in the beginning and 39.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:27,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.7 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1433.71 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 32.6 MB in the beginning and 39.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...