./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 ......................................................................................................................................... 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_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:37,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:37,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:37,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:37,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:37,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:37,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:37,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:37,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:37,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:37,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:37,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:37,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:37,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:37,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:37,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:37,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:37,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:37,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:37,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:37,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:37,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:37,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:37,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:37,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:37,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:37,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:37,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:37,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:37,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:37,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:37,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:37,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:37,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:37,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:37,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:37,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:37,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:37,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:37,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:37,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:37,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:25:37,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:37,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:37,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:37,215 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:37,216 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:37,216 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:37,216 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:37,217 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:37,217 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:37,217 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:37,217 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:37,218 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:37,218 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:37,218 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:37,218 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:37,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:25:37,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:25:37,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:37,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:25:37,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:37,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:37,221 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:25:37,221 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:25:37,221 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:25:37,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:37,222 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:37,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:37,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:37,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:37,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:37,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:37,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:37,224 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:37,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:37,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:37,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:37,225 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_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2021-10-11 02:25:37,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:37,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:37,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:37,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:37,573 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:37,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-11 02:25:37,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/2e3ef36b7/9935c5d0ae144c5894cea4e632212b4f/FLAGa58e0e0dd [2021-10-11 02:25:38,530 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:38,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-11 02:25:38,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/2e3ef36b7/9935c5d0ae144c5894cea4e632212b4f/FLAGa58e0e0dd [2021-10-11 02:25:39,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/2e3ef36b7/9935c5d0ae144c5894cea4e632212b4f [2021-10-11 02:25:39,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:39,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:39,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:39,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:39,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:39,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:39" (1/1) ... [2021-10-11 02:25:39,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85a218b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:39, skipping insertion in model container [2021-10-11 02:25:39,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:39" (1/1) ... [2021-10-11 02:25:39,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:39,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:40,518 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:25:40,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ca0b105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:40, skipping insertion in model container [2021-10-11 02:25:40,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:40,520 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:40,522 INFO L168 Benchmark]: Toolchain (without parser) took 1438.00 ms. Allocated memory is still 96.5 MB. Free memory was 58.9 MB in the beginning and 61.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:40,523 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:40,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1434.68 ms. Allocated memory is still 96.5 MB. Free memory was 58.9 MB in the beginning and 61.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:40,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1434.68 ms. Allocated memory is still 96.5 MB. Free memory was 58.9 MB in the beginning and 61.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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 [2021-10-11 02:25:43,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:43,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:43,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:43,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:43,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:43,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:43,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:43,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:43,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:43,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:43,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:43,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:43,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:43,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:43,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:43,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:43,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:43,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:43,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:43,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:43,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:43,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:43,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:43,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:43,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:43,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:43,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:43,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:43,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:43,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:43,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:43,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:43,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:43,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:43,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:43,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:43,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:43,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:43,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:43,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:43,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-11 02:25:43,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:43,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:43,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:43,443 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:43,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:43,443 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:43,443 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:43,444 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:43,444 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:43,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:25:43,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:25:43,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:43,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:25:43,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:43,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:43,448 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:25:43,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:25:43,448 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:25:43,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:43,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:43,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:43,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:43,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:43,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:43,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:43,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:43,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:43,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:43,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:43,451 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:43,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:43,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:43,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:43,452 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_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2021-10-11 02:25:43,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:43,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:43,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:43,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:43,991 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:43,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-11 02:25:44,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/97f3b02a5/a241661ce71848e095b0780f9ed777dd/FLAGc93233a23 [2021-10-11 02:25:45,035 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:45,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/sv-benchmarks/c/busybox-1.22.0/head-2.i [2021-10-11 02:25:45,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/97f3b02a5/a241661ce71848e095b0780f9ed777dd/FLAGc93233a23 [2021-10-11 02:25:45,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffeb6fd-8869-43de-b687-c802c7b380f9/bin/utaipan-WLngWcDbfI/data/97f3b02a5/a241661ce71848e095b0780f9ed777dd [2021-10-11 02:25:45,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:45,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:45,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:45,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:45,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:45,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:45" (1/1) ... [2021-10-11 02:25:45,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd6bad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:45, skipping insertion in model container [2021-10-11 02:25:45,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:45" (1/1) ... [2021-10-11 02:25:45,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:45,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:47,131 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:25:47,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29ca9683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:47, skipping insertion in model container [2021-10-11 02:25:47,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:47,133 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:47,136 INFO L168 Benchmark]: Toolchain (without parser) took 1538.72 ms. Allocated memory is still 81.8 MB. Free memory was 63.6 MB in the beginning and 53.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:47,137 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:47,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1535.92 ms. Allocated memory is still 81.8 MB. Free memory was 63.4 MB in the beginning and 53.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:47,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1535.92 ms. Allocated memory is still 81.8 MB. Free memory was 63.4 MB in the beginning and 53.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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...