./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-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ........................................................................................................................................ 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_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ..................................................................................................................................... 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 16:52:13,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:52:13,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:52:13,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:52:13,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:52:13,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:52:13,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:52:13,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:52:13,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:52:13,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:52:13,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:52:13,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:52:13,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:52:13,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:52:13,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:52:13,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:52:13,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:52:13,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:52:13,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:52:13,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:52:13,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:52:13,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:52:13,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:52:13,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:52:13,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:52:13,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:52:13,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:52:13,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:52:13,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:52:13,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:52:13,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:52:13,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:52:13,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:52:13,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:52:13,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:52:13,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:52:13,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:52:13,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:52:13,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:52:13,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:52:13,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:52:13,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 16:52:13,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:52:13,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:52:13,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:52:13,976 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:52:13,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:52:13,977 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:52:13,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:52:13,977 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:52:13,977 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:52:13,977 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:52:13,977 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:52:13,977 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:52:13,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:52:13,978 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:52:13,978 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:52:13,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:52:13,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:52:13,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:52:13,979 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:52:13,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:52:13,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:52:13,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:52:13,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:52:13,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:52:13,981 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:52:13,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:52:13,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:52:13,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:52:13,981 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_06468fe2-15fb-4a06-b087-22c485a39d44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2020-12-09 16:52:14,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:52:14,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:52:14,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:52:14,176 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:52:14,176 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:52:14,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-12-09 16:52:14,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/d22af1d70/61780649bbe84e74a49ee866b36b1ac4/FLAG1a2612218 [2020-12-09 16:52:14,746 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:52:14,747 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-12-09 16:52:14,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/d22af1d70/61780649bbe84e74a49ee866b36b1ac4/FLAG1a2612218 [2020-12-09 16:52:15,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/d22af1d70/61780649bbe84e74a49ee866b36b1ac4 [2020-12-09 16:52:15,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:52:15,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:52:15,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:52:15,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:52:15,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:52:15,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:52:15" (1/1) ... [2020-12-09 16:52:15,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c2d7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:52:15, skipping insertion in model container [2020-12-09 16:52:15,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:52:15" (1/1) ... [2020-12-09 16:52:15,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:52:15,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:52:16,076 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 [2020-12-09 16:52:16,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75ad397b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:52:16, skipping insertion in model container [2020-12-09 16:52:16,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:52:16,077 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 16:52:16,078 INFO L168 Benchmark]: Toolchain (without parser) took 866.59 ms. Allocated memory is still 90.2 MB. Free memory was 57.4 MB in the beginning and 55.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-12-09 16:52:16,079 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:52:16,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.89 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 55.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-12-09 16:52:16,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 863.89 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 55.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 20.3 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 [2020-12-09 16:52:17,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:52:17,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:52:17,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:52:17,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:52:17,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:52:17,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:52:17,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:52:17,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:52:17,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:52:17,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:52:17,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:52:17,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:52:17,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:52:17,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:52:17,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:52:17,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:52:17,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:52:17,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:52:17,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:52:17,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:52:17,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:52:17,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:52:17,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:52:17,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:52:17,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:52:17,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:52:17,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:52:17,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:52:17,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:52:17,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:52:17,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:52:17,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:52:17,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:52:17,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:52:17,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:52:17,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:52:17,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:52:17,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:52:17,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:52:17,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:52:17,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 16:52:17,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:52:17,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:52:17,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:52:17,469 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:52:17,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:52:17,470 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:52:17,470 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:52:17,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:52:17,470 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:52:17,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:52:17,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:52:17,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:52:17,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:52:17,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:52:17,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:52:17,472 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:52:17,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:52:17,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:52:17,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:52:17,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:52:17,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:52:17,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:52:17,474 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:52:17,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:52:17,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:52:17,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:52:17,474 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_06468fe2-15fb-4a06-b087-22c485a39d44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2020-12-09 16:52:17,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:52:17,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:52:17,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:52:17,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:52:17,727 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:52:17,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-12-09 16:52:17,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/b22c31680/a1a210f3da7143268e2df3083c5a9415/FLAG3fe9c4b95 [2020-12-09 16:52:18,369 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:52:18,370 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-12-09 16:52:18,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/b22c31680/a1a210f3da7143268e2df3083c5a9415/FLAG3fe9c4b95 [2020-12-09 16:52:18,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06468fe2-15fb-4a06-b087-22c485a39d44/bin/utaipan/data/b22c31680/a1a210f3da7143268e2df3083c5a9415 [2020-12-09 16:52:18,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:52:18,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:52:18,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:52:18,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:52:18,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:52:18,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:52:18" (1/1) ... [2020-12-09 16:52:18,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ece1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:52:18, skipping insertion in model container [2020-12-09 16:52:18,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:52:18" (1/1) ... [2020-12-09 16:52:18,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:52:18,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:52:19,729 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 [2020-12-09 16:52:19,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@309cfda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:52:19, skipping insertion in model container [2020-12-09 16:52:19,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:52:19,730 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 16:52:19,732 INFO L168 Benchmark]: Toolchain (without parser) took 929.95 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 33.0 MB in the beginning and 49.4 MB in the end (delta: -16.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:52:19,732 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.4 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:52:19,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.39 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 32.8 MB in the beginning and 49.4 MB in the end (delta: -16.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:52:19,735 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 39.4 MB in the beginning and 39.4 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 928.39 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 32.8 MB in the beginning and 49.4 MB in the end (delta: -16.6 MB). Peak memory consumption was 11.5 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...