./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan --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 ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f ........................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan --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 ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:21:25,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:21:25,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:21:25,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:21:25,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:21:25,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:21:25,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:21:25,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:21:25,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:21:25,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:21:25,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:21:25,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:21:25,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:21:25,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:21:25,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:21:25,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:21:25,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:21:25,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:21:25,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:21:25,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:21:25,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:21:25,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:21:25,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:21:25,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:21:25,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:21:25,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:21:25,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:21:25,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:21:25,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:21:25,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:21:25,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:21:25,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:21:25,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:21:25,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:21:25,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:21:25,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:21:25,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:21:25,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:21:25,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:21:25,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:21:25,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:21:25,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 11:21:25,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:21:25,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:21:25,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:21:25,157 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:21:25,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:21:25,157 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:21:25,158 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 11:21:25,158 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:21:25,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:21:25,158 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 11:21:25,158 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 11:21:25,158 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:21:25,159 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 11:21:25,159 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 11:21:25,159 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 11:21:25,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 11:21:25,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 11:21:25,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:21:25,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 11:21:25,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:21:25,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:21:25,161 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 11:21:25,161 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 11:21:25,161 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 11:21:25,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:21:25,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:21:25,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:21:25,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:21:25,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:21:25,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:21:25,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:21:25,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:21:25,163 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 11:21:25,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 11:21:25,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:21:25,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:21:25,163 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-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f [2020-12-09 11:21:25,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:21:25,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:21:25,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:21:25,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:21:25,369 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:21:25,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-12-09 11:21:25,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/a3f4206b2/41ffe0c384a44e7bb7139900b832d129/FLAG07cf277fe [2020-12-09 11:21:25,932 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:21:25,933 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-12-09 11:21:25,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/a3f4206b2/41ffe0c384a44e7bb7139900b832d129/FLAG07cf277fe [2020-12-09 11:21:26,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/a3f4206b2/41ffe0c384a44e7bb7139900b832d129 [2020-12-09 11:21:26,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:21:26,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:21:26,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:21:26,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:21:26,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:21:26,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:21:26" (1/1) ... [2020-12-09 11:21:26,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b1107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:21:26, skipping insertion in model container [2020-12-09 11:21:26,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:21:26" (1/1) ... [2020-12-09 11:21:26,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:21:26,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:21:27,231 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-09 11:21:27,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4cd402fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:21:27, skipping insertion in model container [2020-12-09 11:21:27,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:21:27,232 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 11:21:27,234 INFO L168 Benchmark]: Toolchain (without parser) took 786.30 ms. Allocated memory is still 113.2 MB. Free memory was 71.5 MB in the beginning and 76.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:27,234 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 113.2 MB. Free memory is still 92.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:21:27,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.07 ms. Allocated memory is still 113.2 MB. Free memory was 71.4 MB in the beginning and 76.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:27,236 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 113.2 MB. Free memory is still 92.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 784.07 ms. Allocated memory is still 113.2 MB. Free memory was 71.4 MB in the beginning and 76.2 MB in the end (delta: -4.8 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: 2530]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 11:21:28,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:21:28,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:21:28,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:21:28,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:21:28,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:21:28,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:21:28,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:21:28,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:21:28,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:21:28,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:21:28,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:21:28,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:21:28,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:21:28,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:21:28,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:21:28,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:21:28,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:21:28,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:21:28,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:21:28,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:21:28,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:21:28,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:21:28,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:21:28,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:21:28,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:21:28,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:21:28,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:21:28,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:21:28,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:21:28,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:21:28,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:21:28,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:21:28,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:21:28,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:21:28,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:21:28,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:21:28,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:21:28,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:21:28,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:21:28,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:21:28,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 11:21:28,652 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:21:28,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:21:28,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:21:28,653 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:21:28,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:21:28,654 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:21:28,654 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:21:28,654 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:21:28,654 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:21:28,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 11:21:28,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 11:21:28,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:21:28,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 11:21:28,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:21:28,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:21:28,656 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 11:21:28,657 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 11:21:28,657 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 11:21:28,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:21:28,657 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:21:28,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 11:21:28,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 11:21:28,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:21:28,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:21:28,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 11:21:28,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:21:28,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:21:28,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:21:28,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:21:28,659 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 11:21:28,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 11:21:28,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:21:28,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:21:28,660 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-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f [2020-12-09 11:21:28,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:21:28,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:21:28,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:21:28,919 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:21:28,919 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:21:28,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-12-09 11:21:28,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/063929a23/902a2315a1ff4f7b89b681af378270a6/FLAG5e5d0745a [2020-12-09 11:21:29,557 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:21:29,557 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-12-09 11:21:29,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/063929a23/902a2315a1ff4f7b89b681af378270a6/FLAG5e5d0745a [2020-12-09 11:21:29,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_641a7bd3-fa6c-456a-91b9-5ee9c565ea25/bin/utaipan/data/063929a23/902a2315a1ff4f7b89b681af378270a6 [2020-12-09 11:21:29,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:21:29,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:21:30,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:21:30,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:21:30,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:21:30,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:21:29" (1/1) ... [2020-12-09 11:21:30,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ab6c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:21:30, skipping insertion in model container [2020-12-09 11:21:30,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:21:29" (1/1) ... [2020-12-09 11:21:30,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:21:30,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:21:30,813 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-09 11:21:30,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6feefb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:21:30, skipping insertion in model container [2020-12-09 11:21:30,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:21:30,814 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 11:21:30,816 INFO L168 Benchmark]: Toolchain (without parser) took 815.27 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 39.3 MB in the end (delta: -7.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:30,817 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:21:30,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.42 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 39.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:21:30,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 813.42 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 39.3 MB in the end (delta: -8.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...