./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V --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 f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:24:03,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:24:03,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:24:03,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:24:03,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:24:03,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:24:03,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:24:03,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:24:03,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:24:03,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:24:03,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:24:03,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:24:03,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:24:03,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:24:03,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:24:03,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:24:03,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:24:03,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:24:03,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:24:03,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:24:03,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:24:03,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:24:03,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:24:03,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:24:03,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:24:03,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:24:03,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:24:03,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:24:03,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:24:03,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:24:03,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:24:03,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:24:03,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:24:03,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:24:03,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:24:03,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:24:03,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:24:03,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:24:03,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:24:03,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:24:03,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:24:03,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 03:24:03,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:24:03,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:24:03,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:24:03,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:24:03,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:24:03,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:24:03,365 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:24:03,366 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:24:03,366 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:24:03,366 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:24:03,368 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:24:03,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:24:03,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:24:03,368 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:24:03,368 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:24:03,369 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:24:03,369 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:24:03,369 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:24:03,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:24:03,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:24:03,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:24:03,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:24:03,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:24:03,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:24:03,371 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:24:03,371 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:24:03,371 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:24:03,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:24:03,372 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:24:03,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:24:03,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:24:03,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:24:03,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:24:03,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:24:03,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:24:03,373 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:24:03,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:24:03,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:24:03,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:24:03,374 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_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2021-11-23 03:24:03,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:24:03,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:24:03,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:24:03,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:24:03,712 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:24:03,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-23 03:24:03,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/382ebb933/4afb3117f1e64ef2b6a631c5efaaba22/FLAG4645efed7 [2021-11-23 03:24:04,636 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:24:04,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-23 03:24:04,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/382ebb933/4afb3117f1e64ef2b6a631c5efaaba22/FLAG4645efed7 [2021-11-23 03:24:04,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/382ebb933/4afb3117f1e64ef2b6a631c5efaaba22 [2021-11-23 03:24:04,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:24:04,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:24:04,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:24:04,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:24:04,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:24:04,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:04" (1/1) ... [2021-11-23 03:24:04,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bfe324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:04, skipping insertion in model container [2021-11-23 03:24:04,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:04" (1/1) ... [2021-11-23 03:24:04,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:24:04,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:24:06,216 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 03:24:06,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c92e5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:06, skipping insertion in model container [2021-11-23 03:24:06,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:24:06,219 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:24:06,221 INFO L158 Benchmark]: Toolchain (without parser) took 1507.90ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 39.1MB in the beginning and 69.2MB in the end (delta: -30.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 03:24:06,222 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:24:06,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1504.32ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 38.8MB in the beginning and 69.2MB in the end (delta: -30.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 03:24:06,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1504.32ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 38.8MB in the beginning and 69.2MB in the end (delta: -30.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V --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 f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:24:08,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:24:08,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:24:08,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:24:08,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:24:08,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:24:08,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:24:08,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:24:08,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:24:08,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:24:08,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:24:08,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:24:08,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:24:08,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:24:08,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:24:08,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:24:08,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:24:08,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:24:08,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:24:08,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:24:08,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:24:08,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:24:08,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:24:08,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:24:08,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:24:08,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:24:08,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:24:08,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:24:08,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:24:08,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:24:08,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:24:08,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:24:08,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:24:08,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:24:08,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:24:08,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:24:08,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:24:08,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:24:08,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:24:08,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:24:08,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:24:08,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 03:24:09,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:24:09,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:24:09,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:24:09,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:24:09,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:24:09,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:24:09,060 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:24:09,061 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:24:09,061 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:24:09,061 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:24:09,062 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:24:09,062 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:24:09,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:24:09,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:24:09,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:24:09,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:24:09,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:24:09,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:24:09,066 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:24:09,066 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:24:09,066 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:24:09,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:24:09,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:24:09,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:24:09,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:24:09,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:24:09,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:24:09,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:24:09,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:24:09,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:24:09,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:24:09,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:24:09,069 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:24:09,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:24:09,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:24:09,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:24:09,071 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_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2021-11-23 03:24:09,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:24:09,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:24:09,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:24:09,534 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:24:09,535 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:24:09,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-23 03:24:09,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/632e2aa9e/d13c32e2b89d467497fa26c7eabd96cc/FLAG89cf575c5 [2021-11-23 03:24:10,645 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:24:10,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-23 03:24:10,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/632e2aa9e/d13c32e2b89d467497fa26c7eabd96cc/FLAG89cf575c5 [2021-11-23 03:24:11,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6c71a5-0b74-4f2e-9ac0-e1ef3ec8e13a/bin/utaipan-EQgc7hIp5V/data/632e2aa9e/d13c32e2b89d467497fa26c7eabd96cc [2021-11-23 03:24:11,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:24:11,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:24:11,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:24:11,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:24:11,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:24:11,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:11" (1/1) ... [2021-11-23 03:24:11,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0a6f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:11, skipping insertion in model container [2021-11-23 03:24:11,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:11" (1/1) ... [2021-11-23 03:24:11,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:24:11,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:24:12,599 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 03:24:12,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@467a372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:12, skipping insertion in model container [2021-11-23 03:24:12,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:24:12,601 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:24:12,604 INFO L158 Benchmark]: Toolchain (without parser) took 1429.76ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 32.6MB in the beginning and 52.1MB in the end (delta: -19.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 03:24:12,605 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:24:12,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1426.13ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 52.1MB in the end (delta: -19.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 03:24:12,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1426.13ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 52.1MB in the end (delta: -19.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN