./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_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/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_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/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 [2020-11-28 03:08:25,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:08:25,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:08:25,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:08:25,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:08:25,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:08:25,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:08:25,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:08:25,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:08:25,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:08:25,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:08:25,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:08:25,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:08:25,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:08:25,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:08:25,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:08:25,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:08:25,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:08:25,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:08:25,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:08:25,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:08:25,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:08:25,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:08:25,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:08:25,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:08:25,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:08:25,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:08:25,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:08:25,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:08:25,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:08:25,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:08:25,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:08:25,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:08:25,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:08:25,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:08:25,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:08:25,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:08:25,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:08:25,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:08:25,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:08:25,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:08:25,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-11-28 03:08:25,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:08:25,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:08:25,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:08:25,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:08:25,439 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:08:25,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:08:25,440 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:08:25,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:08:25,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:08:25,440 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:08:25,441 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:08:25,442 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:08:25,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:08:25,442 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:08:25,442 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:08:25,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:08:25,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:08:25,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:08:25,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:08:25,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:08:25,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:08:25,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:08:25,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:08:25,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:08:25,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:08:25,445 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_53840c09-499d-44b0-a2a0-47e7f3fe05b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2020-11-28 03:08:25,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:08:25,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:08:25,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:08:25,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:08:25,830 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:08:25,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-28 03:08:25,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/cc6c18071/1afdce79daf64ec09944f1c419a34cb1/FLAGe0c453408 [2020-11-28 03:08:26,614 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:08:26,616 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-28 03:08:26,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/cc6c18071/1afdce79daf64ec09944f1c419a34cb1/FLAGe0c453408 [2020-11-28 03:08:26,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/cc6c18071/1afdce79daf64ec09944f1c419a34cb1 [2020-11-28 03:08:26,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:08:26,775 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:08:26,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:26,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:08:26,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:08:26,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:26" (1/1) ... [2020-11-28 03:08:26,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1cc7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:26, skipping insertion in model container [2020-11-28 03:08:26,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:26" (1/1) ... [2020-11-28 03:08:26,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:08:26,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:08:28,104 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 [2020-11-28 03:08:28,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30810c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:28, skipping insertion in model container [2020-11-28 03:08:28,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:28,105 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:08:28,108 INFO L168 Benchmark]: Toolchain (without parser) took 1331.58 ms. Allocated memory is still 90.2 MB. Free memory was 51.2 MB in the beginning and 53.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:28,110 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:28,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1326.94 ms. Allocated memory is still 90.2 MB. Free memory was 51.0 MB in the beginning and 53.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:28,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1326.94 ms. Allocated memory is still 90.2 MB. Free memory was 51.0 MB in the beginning and 53.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.6 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 [2020-11-28 03:08:30,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:08:30,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:08:30,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:08:30,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:08:30,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:08:30,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:08:30,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:08:30,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:08:30,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:08:30,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:08:30,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:08:30,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:08:30,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:08:30,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:08:30,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:08:30,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:08:30,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:08:30,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:08:30,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:08:30,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:08:30,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:08:30,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:08:30,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:08:30,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:08:30,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:08:30,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:08:30,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:08:30,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:08:30,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:08:30,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:08:30,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:08:30,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:08:30,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:08:30,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:08:30,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:08:30,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:08:30,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:08:30,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:08:30,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:08:30,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:08:30,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-11-28 03:08:30,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:08:30,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:08:30,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:08:30,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:08:30,630 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:08:30,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:08:30,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:08:30,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:08:30,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:08:30,631 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:08:30,633 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:08:30,633 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:08:30,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:08:30,633 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:08:30,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:08:30,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:08:30,634 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:08:30,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:08:30,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:08:30,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:08:30,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:08:30,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:08:30,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:08:30,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:08:30,636 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:08:30,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:08:30,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:08:30,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:08:30,637 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_53840c09-499d-44b0-a2a0-47e7f3fe05b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2020-11-28 03:08:30,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:08:31,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:08:31,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:08:31,015 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:08:31,016 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:08:31,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-28 03:08:31,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/c355aed2c/c7cdefe74ee7429c9318012f196fb6b3/FLAGa75ff4cf9 [2020-11-28 03:08:31,891 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:08:31,894 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2020-11-28 03:08:31,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/c355aed2c/c7cdefe74ee7429c9318012f196fb6b3/FLAGa75ff4cf9 [2020-11-28 03:08:31,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53840c09-499d-44b0-a2a0-47e7f3fe05b1/bin/uautomizer/data/c355aed2c/c7cdefe74ee7429c9318012f196fb6b3 [2020-11-28 03:08:31,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:08:31,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:08:31,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:31,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:08:31,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:08:31,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:31" (1/1) ... [2020-11-28 03:08:31,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b983749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:31, skipping insertion in model container [2020-11-28 03:08:31,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:31" (1/1) ... [2020-11-28 03:08:31,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:08:32,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:08:33,336 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 [2020-11-28 03:08:33,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e62ca4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:33, skipping insertion in model container [2020-11-28 03:08:33,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:33,337 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:08:33,340 INFO L168 Benchmark]: Toolchain (without parser) took 1372.73 ms. Allocated memory is still 65.0 MB. Free memory was 40.2 MB in the beginning and 29.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:33,340 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 65.0 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:08:33,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1370.05 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 29.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:08:33,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 65.0 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1370.05 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 29.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 15.0 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...