./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs --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 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c ......................................................................................................................................... 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_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs --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 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:20:24,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:20:24,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:20:25,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:20:25,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:20:25,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:20:25,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:20:25,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:20:25,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:20:25,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:20:25,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:20:25,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:20:25,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:20:25,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:20:25,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:20:25,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:20:25,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:20:25,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:20:25,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:20:25,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:20:25,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:20:25,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:20:25,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:20:25,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:20:25,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:20:25,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:20:25,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:20:25,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:20:25,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:20:25,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:20:25,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:20:25,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:20:25,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:20:25,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:20:25,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:20:25,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:20:25,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:20:25,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:20:25,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:20:25,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:20:25,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:20:25,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-16 02:20:25,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:20:25,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:20:25,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:20:25,169 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:20:25,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:20:25,169 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:20:25,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:20:25,170 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:20:25,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:20:25,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:20:25,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:20:25,172 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:20:25,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:20:25,173 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:20:25,173 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:20:25,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:20:25,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:20:25,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:20:25,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:20:25,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:20:25,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:20:25,176 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:20:25,176 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:20:25,177 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:20:25,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:20:25,177 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:20:25,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:20:25,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:20:25,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:20:25,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:20:25,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:20:25,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:20:25,180 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:20:25,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:20:25,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:20:25,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:20:25,181 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_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c [2021-10-16 02:20:25,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:20:25,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:20:25,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:20:25,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:20:25,526 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:20:25,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-16 02:20:25,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/6abb771c4/b41268441ad5434ea12676d9edec2f2e/FLAGc853bcebd [2021-10-16 02:20:26,739 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:20:26,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-16 02:20:26,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/6abb771c4/b41268441ad5434ea12676d9edec2f2e/FLAGc853bcebd [2021-10-16 02:20:27,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/6abb771c4/b41268441ad5434ea12676d9edec2f2e [2021-10-16 02:20:27,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:20:27,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:20:27,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:20:27,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:20:27,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:20:27,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:20:27" (1/1) ... [2021-10-16 02:20:27,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574b941d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:27, skipping insertion in model container [2021-10-16 02:20:27,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:20:27" (1/1) ... [2021-10-16 02:20:27,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:20:27,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:20:29,102 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-16 02:20:29,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b721d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:29, skipping insertion in model container [2021-10-16 02:20:29,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:20:29,106 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:20:29,111 INFO L168 Benchmark]: Toolchain (without parser) took 1985.07 ms. Allocated memory is still 102.8 MB. Free memory was 76.3 MB in the beginning and 58.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,113 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 102.8 MB. Free memory is still 77.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:20:29,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1981.16 ms. Allocated memory is still 102.8 MB. Free memory was 76.3 MB in the beginning and 58.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 102.8 MB. Free memory is still 77.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1981.16 ms. Allocated memory is still 102.8 MB. Free memory was 76.3 MB in the beginning and 58.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:20:31,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:20:31,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:20:32,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:20:32,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:20:32,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:20:32,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:20:32,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:20:32,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:20:32,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:20:32,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:20:32,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:20:32,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:20:32,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:20:32,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:20:32,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:20:32,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:20:32,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:20:32,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:20:32,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:20:32,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:20:32,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:20:32,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:20:32,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:20:32,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:20:32,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:20:32,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:20:32,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:20:32,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:20:32,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:20:32,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:20:32,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:20:32,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:20:32,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:20:32,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:20:32,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:20:32,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:20:32,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:20:32,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:20:32,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:20:32,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:20:32,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-16 02:20:32,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:20:32,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:20:32,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:20:32,158 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:20:32,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:20:32,158 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:20:32,158 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:20:32,159 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:20:32,159 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:20:32,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:20:32,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:20:32,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:20:32,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:20:32,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:20:32,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:20:32,164 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:20:32,164 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:20:32,164 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:20:32,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:20:32,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:20:32,165 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:20:32,165 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:20:32,165 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:20:32,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:20:32,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:20:32,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:20:32,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:20:32,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:20:32,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:20:32,167 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:20:32,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:20:32,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:20:32,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:20:32,168 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_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c [2021-10-16 02:20:32,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:20:32,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:20:32,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:20:32,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:20:32,554 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:20:32,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-16 02:20:32,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/9e3d30eba/6facbc7d962649468bdb2850cf4570f1/FLAG69df25457 [2021-10-16 02:20:33,504 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:20:33,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-10-16 02:20:33,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/9e3d30eba/6facbc7d962649468bdb2850cf4570f1/FLAG69df25457 [2021-10-16 02:20:34,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec0e0f79-73c8-471a-b19c-38e9fd266c4c/bin/utaipan-mTDlp9Zugs/data/9e3d30eba/6facbc7d962649468bdb2850cf4570f1 [2021-10-16 02:20:34,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:20:34,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:20:34,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:20:34,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:20:34,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:20:34,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:20:34" (1/1) ... [2021-10-16 02:20:34,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359a035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:34, skipping insertion in model container [2021-10-16 02:20:34,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:20:34" (1/1) ... [2021-10-16 02:20:34,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:20:34,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:20:35,890 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-16 02:20:35,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2da9cc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:20:35, skipping insertion in model container [2021-10-16 02:20:35,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:20:35,895 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:20:35,898 INFO L168 Benchmark]: Toolchain (without parser) took 1879.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.2 MB in the beginning and 44.1 MB in the end (delta: -18.9 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:35,899 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:20:35,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1874.22 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.0 MB in the beginning and 44.1 MB in the end (delta: -19.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:35,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1874.22 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.0 MB in the beginning and 44.1 MB in the end (delta: -19.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...