./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8 --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 d4f3beee7d9a211cc04d5df24adf0d3371004e18 ......................................................................................................................................... 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_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8 --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 d4f3beee7d9a211cc04d5df24adf0d3371004e18 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:55:08,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:08,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:08,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:08,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:08,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:08,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:08,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:08,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:08,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:08,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:08,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:08,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:08,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:08,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:08,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:08,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:08,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:08,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:08,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:08,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:08,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:08,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:08,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:08,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:08,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:08,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:08,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:08,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:08,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:08,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:08,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:08,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:08,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:08,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:08,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:08,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:08,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:08,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:08,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:08,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:08,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:55:08,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:08,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:08,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:08,832 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:08,832 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:08,832 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:08,833 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:55:08,833 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:08,833 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:08,833 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:55:08,835 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:55:08,835 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:08,836 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:55:08,836 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:55:08,836 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:55:08,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:55:08,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:55:08,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:08,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:55:08,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:55:08,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:08,839 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:55:08,839 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:55:08,839 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:55:08,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:08,840 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:08,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:08,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:08,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:08,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:08,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:08,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:08,845 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:55:08,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:55:08,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:08,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:08,846 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_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2021-10-13 07:55:09,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:09,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:09,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:09,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:09,231 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:09,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-10-13 07:55:09,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/c7151dee2/f968f2feacde4dde8dd97dcf2fa1bc73/FLAG73008f0dc [2021-10-13 07:55:10,198 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:55:10,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-10-13 07:55:10,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/c7151dee2/f968f2feacde4dde8dd97dcf2fa1bc73/FLAG73008f0dc [2021-10-13 07:55:10,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/c7151dee2/f968f2feacde4dde8dd97dcf2fa1bc73 [2021-10-13 07:55:10,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:55:10,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:55:10,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:10,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:55:10,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:55:10,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:10" (1/1) ... [2021-10-13 07:55:10,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28285c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:10, skipping insertion in model container [2021-10-13 07:55:10,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:10" (1/1) ... [2021-10-13 07:55:10,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:55:10,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:12,386 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 [2021-10-13 07:55:12,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ab386d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:12, skipping insertion in model container [2021-10-13 07:55:12,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:12,390 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:55:12,394 INFO L168 Benchmark]: Toolchain (without parser) took 1684.73 ms. Allocated memory is still 151.0 MB. Free memory was 113.1 MB in the beginning and 109.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:12,396 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:55:12,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1678.07 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 109.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:12,401 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 92.3 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1678.07 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 109.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: 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 0.2.1-dev-4e77c04 [2021-10-13 07:55:15,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:15,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:15,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:15,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:15,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:15,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:15,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:15,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:15,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:15,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:15,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:15,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:15,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:15,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:15,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:15,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:15,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:15,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:15,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:15,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:15,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:15,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:15,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:15,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:15,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:15,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:15,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:15,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:15,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:15,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:15,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:15,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:15,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:15,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:15,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:15,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:15,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:15,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:15,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:15,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:15,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:55:15,207 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:15,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:15,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:15,209 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:15,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:15,210 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:15,210 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:15,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:15,211 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:15,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:55:15,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:55:15,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:15,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:55:15,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:55:15,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:15,216 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:55:15,216 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:55:15,216 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:55:15,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:15,217 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:15,217 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:55:15,217 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:55:15,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:15,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:15,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:55:15,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:15,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:15,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:15,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:15,220 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:55:15,220 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:55:15,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:15,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:15,222 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_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2021-10-13 07:55:15,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:15,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:15,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:15,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:15,725 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:15,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-10-13 07:55:15,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/dae1eadcc/5e561fd6a72a400fa2318fe89d4b5598/FLAGe6d947875 [2021-10-13 07:55:16,688 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:55:16,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-10-13 07:55:16,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/dae1eadcc/5e561fd6a72a400fa2318fe89d4b5598/FLAGe6d947875 [2021-10-13 07:55:17,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b438012e-47d0-4cb5-85fd-67af39778014/bin/utaipan-q2qaUkNPG8/data/dae1eadcc/5e561fd6a72a400fa2318fe89d4b5598 [2021-10-13 07:55:17,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:55:17,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:55:17,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:17,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:55:17,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:55:17,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:17" (1/1) ... [2021-10-13 07:55:17,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcc25b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:17, skipping insertion in model container [2021-10-13 07:55:17,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:17" (1/1) ... [2021-10-13 07:55:17,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:55:17,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:18,787 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 [2021-10-13 07:55:18,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@793730da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:18, skipping insertion in model container [2021-10-13 07:55:18,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:18,789 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:55:18,791 INFO L168 Benchmark]: Toolchain (without parser) took 1572.64 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 28.5 MB in the beginning and 34.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:18,793 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory was 37.5 MB in the beginning and 37.4 MB in the end (delta: 73.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:55:18,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1568.81 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 28.4 MB in the beginning and 35.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:18,796 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 56.6 MB. Free memory was 37.5 MB in the beginning and 37.4 MB in the end (delta: 73.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1568.81 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 28.4 MB in the beginning and 35.1 MB in the end (delta: -6.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: 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...