./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:32:24,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:32:24,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:32:24,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:32:24,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:32:24,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:32:24,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:32:24,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:32:24,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:32:24,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:32:24,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:32:24,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:32:24,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:32:24,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:32:24,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:32:24,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:32:24,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:32:24,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:32:24,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:32:24,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:32:24,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:32:24,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:32:24,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:32:24,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:32:24,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:32:24,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:32:24,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:32:24,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:32:24,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:32:24,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:32:24,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:32:24,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:32:24,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:32:24,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:32:24,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:32:24,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:32:24,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:32:24,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:32:24,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:32:24,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:32:24,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:32:24,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-11-30 01:32:24,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:32:24,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:32:24,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:32:24,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:32:24,316 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:32:24,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:32:24,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:32:24,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:32:24,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:32:24,318 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:32:24,318 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:32:24,318 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:32:24,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:32:24,319 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:32:24,319 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:32:24,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:32:24,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:32:24,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:32:24,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:32:24,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:32:24,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:32:24,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:32:24,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:32:24,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:32:24,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:32:24,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2020-11-30 01:32:24,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:32:24,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:32:24,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:32:24,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:32:24,725 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:32:24,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-30 01:32:24,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/200a03367/321e4083b4d642e2a8ab591eac5ff44c/FLAGcc90b6603 [2020-11-30 01:32:25,670 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:32:25,671 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-30 01:32:25,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/200a03367/321e4083b4d642e2a8ab591eac5ff44c/FLAGcc90b6603 [2020-11-30 01:32:26,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/200a03367/321e4083b4d642e2a8ab591eac5ff44c [2020-11-30 01:32:26,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:32:26,215 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 01:32:26,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:26,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:32:26,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:32:26,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:26" (1/1) ... [2020-11-30 01:32:26,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba6173b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:26, skipping insertion in model container [2020-11-30 01:32:26,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:26" (1/1) ... [2020-11-30 01:32:26,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:32:26,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:32:28,039 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2020-11-30 01:32:28,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@167ddf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:28, skipping insertion in model container [2020-11-30 01:32:28,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:28,042 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 01:32:28,047 INFO L168 Benchmark]: Toolchain (without parser) took 1829.19 ms. Allocated memory is still 98.6 MB. Free memory was 56.1 MB in the beginning and 59.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:28,049 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 98.6 MB. Free memory was 77.8 MB in the beginning and 77.8 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:28,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1825.18 ms. Allocated memory is still 98.6 MB. Free memory was 56.0 MB in the beginning and 59.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:28,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 98.6 MB. Free memory was 77.8 MB in the beginning and 77.8 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1825.18 ms. Allocated memory is still 98.6 MB. Free memory was 56.0 MB in the beginning and 59.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:32:30,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:32:30,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:32:31,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:32:31,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:32:31,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:32:31,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:32:31,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:32:31,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:32:31,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:32:31,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:32:31,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:32:31,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:32:31,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:32:31,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:32:31,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:32:31,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:32:31,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:32:31,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:32:31,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:32:31,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:32:31,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:32:31,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:32:31,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:32:31,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:32:31,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:32:31,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:32:31,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:32:31,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:32:31,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:32:31,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:32:31,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:32:31,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:32:31,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:32:31,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:32:31,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:32:31,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:32:31,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:32:31,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:32:31,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:32:31,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:32:31,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-11-30 01:32:31,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:32:31,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:32:31,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:32:31,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:32:31,183 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:32:31,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:32:31,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:32:31,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:32:31,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:32:31,185 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 01:32:31,185 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 01:32:31,185 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 01:32:31,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:32:31,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:32:31,186 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:32:31,186 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:32:31,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:32:31,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:32:31,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:32:31,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:32:31,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:32:31,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:32:31,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:32:31,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:32:31,189 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:32:31,190 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:32:31,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:32:31,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:32:31,191 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2020-11-30 01:32:31,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:32:31,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:32:31,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:32:31,711 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:32:31,715 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:32:31,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-30 01:32:31,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/539814f60/6879613a18e84da29f259adc416d575f/FLAGefa0d5021 [2020-11-30 01:32:32,902 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:32:32,905 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-30 01:32:32,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/539814f60/6879613a18e84da29f259adc416d575f/FLAGefa0d5021 [2020-11-30 01:32:33,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be39e3e2-0a45-4fbd-9092-257f48f41a9b/bin/uautomizer/data/539814f60/6879613a18e84da29f259adc416d575f [2020-11-30 01:32:33,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:32:33,380 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 01:32:33,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:33,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:32:33,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:32:33,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:33" (1/1) ... [2020-11-30 01:32:33,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6feaa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:33, skipping insertion in model container [2020-11-30 01:32:33,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:33" (1/1) ... [2020-11-30 01:32:33,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:32:33,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:32:35,582 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2020-11-30 01:32:35,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4065247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:35, skipping insertion in model container [2020-11-30 01:32:35,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:35,591 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 01:32:35,593 INFO L168 Benchmark]: Toolchain (without parser) took 2212.69 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.3 MB in the beginning and 47.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:35,594 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:35,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2207.20 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 47.4 MB in the end (delta: -6.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:35,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 62.9 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2207.20 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 47.4 MB in the end (delta: -6.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...