./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ef97106b73039a405ac251785296494f5df01c0 ......................................................................................................................................... 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_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ef97106b73039a405ac251785296494f5df01c0 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:47:14,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:47:14,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:47:14,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:47:14,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:47:14,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:47:14,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:47:14,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:47:14,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:47:14,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:47:14,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:47:14,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:47:14,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:47:14,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:47:14,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:47:14,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:47:14,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:47:14,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:47:14,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:47:14,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:47:14,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:47:14,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:47:14,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:47:14,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:47:14,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:47:14,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:47:14,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:47:14,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:47:14,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:47:14,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:47:14,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:47:14,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:47:14,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:47:14,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:47:14,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:47:14,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:47:14,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:47:14,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:47:14,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:47:14,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:47:14,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:47:14,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 06:47:14,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:47:14,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:47:14,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:47:14,303 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:47:14,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:47:14,304 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:47:14,304 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:47:14,304 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:47:14,305 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:47:14,305 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:47:14,305 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:47:14,305 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:47:14,306 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:47:14,306 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:47:14,306 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:47:14,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:47:14,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:47:14,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:47:14,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:47:14,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:47:14,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:47:14,308 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:47:14,309 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:47:14,309 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:47:14,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:47:14,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:47:14,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:47:14,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:47:14,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:47:14,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:47:14,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:47:14,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:47:14,311 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:47:14,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:47:14,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:47:14,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:47:14,312 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_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef97106b73039a405ac251785296494f5df01c0 [2021-10-13 06:47:14,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:47:14,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:47:14,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:47:14,584 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:47:14,585 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:47:14,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 06:47:14,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/eb6b237db/3e8638695bbc436fb87666883a7c82cb/FLAGa99494f64 [2021-10-13 06:47:15,471 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:47:15,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 06:47:15,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/eb6b237db/3e8638695bbc436fb87666883a7c82cb/FLAGa99494f64 [2021-10-13 06:47:16,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/eb6b237db/3e8638695bbc436fb87666883a7c82cb [2021-10-13 06:47:16,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:47:16,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:47:16,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:16,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:47:16,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:47:16,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:16" (1/1) ... [2021-10-13 06:47:16,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f80b9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:16, skipping insertion in model container [2021-10-13 06:47:16,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:16" (1/1) ... [2021-10-13 06:47:16,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:47:16,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:47:17,971 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-13 06:47:17,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79a56321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:17, skipping insertion in model container [2021-10-13 06:47:17,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:17,973 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:47:17,976 INFO L168 Benchmark]: Toolchain (without parser) took 1946.22 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 66.0 MB in the beginning and 65.7 MB in the end (delta: 295.3 kB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:17,987 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 60.2 MB in the beginning and 60.2 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:47:17,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1943.32 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 65.7 MB in the beginning and 65.7 MB in the end (delta: -53.5 kB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:17,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory was 60.2 MB in the beginning and 60.2 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1943.32 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 65.7 MB in the beginning and 65.7 MB in the end (delta: -53.5 kB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:47:20,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:47:20,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:47:20,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:47:20,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:47:20,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:47:20,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:47:20,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:47:20,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:47:20,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:47:20,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:47:20,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:47:20,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:47:20,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:47:20,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:47:20,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:47:20,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:47:20,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:47:20,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:47:20,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:47:20,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:47:20,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:47:20,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:47:20,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:47:20,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:47:20,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:47:20,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:47:20,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:47:20,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:47:20,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:47:20,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:47:20,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:47:20,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:47:20,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:47:20,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:47:20,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:47:20,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:47:20,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:47:20,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:47:20,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:47:20,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:47:20,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 06:47:20,426 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:47:20,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:47:20,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:47:20,427 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:47:20,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:47:20,428 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:47:20,428 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:47:20,428 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:47:20,429 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:47:20,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:47:20,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:47:20,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:47:20,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:47:20,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:47:20,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:47:20,432 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:47:20,432 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:47:20,433 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:47:20,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:47:20,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:47:20,433 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:47:20,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:47:20,434 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:47:20,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:47:20,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:47:20,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:47:20,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:47:20,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:47:20,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:47:20,435 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:47:20,435 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:47:20,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:47:20,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:47:20,436 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_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef97106b73039a405ac251785296494f5df01c0 [2021-10-13 06:47:20,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:47:20,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:47:20,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:47:20,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:47:20,881 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:47:20,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 06:47:20,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/dc10e6780/81fde8dfcc51445088d7b8095148677a/FLAGead4f5357 [2021-10-13 06:47:21,892 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:47:21,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 06:47:21,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/dc10e6780/81fde8dfcc51445088d7b8095148677a/FLAGead4f5357 [2021-10-13 06:47:22,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47d3844-9393-472a-a828-d174c470ef43/bin/utaipan-q2qaUkNPG8/data/dc10e6780/81fde8dfcc51445088d7b8095148677a [2021-10-13 06:47:22,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:47:22,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:47:22,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:22,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:47:22,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:47:22,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:22" (1/1) ... [2021-10-13 06:47:22,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cabd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:22, skipping insertion in model container [2021-10-13 06:47:22,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:22" (1/1) ... [2021-10-13 06:47:22,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:47:22,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:47:24,356 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-13 06:47:24,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19640d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:24, skipping insertion in model container [2021-10-13 06:47:24,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:24,357 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:47:24,359 INFO L168 Benchmark]: Toolchain (without parser) took 1984.14 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 46.7 MB in the beginning and 43.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:24,360 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 50.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:47:24,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1979.86 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 46.5 MB in the beginning and 43.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:24,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 50.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1979.86 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 46.5 MB in the beginning and 43.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...