./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl --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 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:51:12,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:51:12,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:51:12,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:51:12,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:51:12,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:51:12,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:51:12,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:51:12,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:51:12,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:51:12,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:51:12,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:51:12,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:51:12,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:51:12,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:51:12,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:51:12,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:51:12,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:51:12,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:51:12,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:51:12,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:51:12,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:51:12,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:51:12,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:51:12,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:51:12,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:51:12,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:51:12,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:51:12,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:51:12,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:51:12,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:51:12,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:51:12,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:51:12,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:51:12,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:51:12,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:51:12,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:51:12,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:51:12,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:51:12,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:51:12,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:51:12,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 16:51:12,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:51:12,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:51:12,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:51:12,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:51:12,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:51:12,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:51:12,417 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:51:12,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:51:12,417 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:51:12,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:51:12,419 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:51:12,419 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:51:12,420 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:51:12,420 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:51:12,420 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:51:12,421 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:51:12,421 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:51:12,421 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:51:12,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:51:12,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:51:12,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:51:12,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:51:12,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:51:12,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:51:12,424 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:51:12,424 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:51:12,425 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:51:12,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:51:12,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:51:12,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:51:12,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:51:12,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:51:12,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:12,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:51:12,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:51:12,428 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:51:12,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:51:12,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:51:12,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:51:12,430 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_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 [2021-11-23 16:51:12,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:51:12,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:51:12,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:51:12,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:51:12,858 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:51:12,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-23 16:51:12,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/e9191a030/74971a32ee5b4bb3a019f393240c13a1/FLAG95b8f7717 [2021-11-23 16:51:13,962 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:51:13,963 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-23 16:51:14,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/e9191a030/74971a32ee5b4bb3a019f393240c13a1/FLAG95b8f7717 [2021-11-23 16:51:14,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/e9191a030/74971a32ee5b4bb3a019f393240c13a1 [2021-11-23 16:51:14,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:51:14,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:51:14,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:14,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:51:14,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:51:14,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:14" (1/1) ... [2021-11-23 16:51:14,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e31069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:14, skipping insertion in model container [2021-11-23 16:51:14,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:14" (1/1) ... [2021-11-23 16:51:14,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:51:14,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:51:16,516 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-23 16:51:16,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4cf49ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:16, skipping insertion in model container [2021-11-23 16:51:16,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:16,518 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:51:16,520 INFO L158 Benchmark]: Toolchain (without parser) took 2051.76ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 58.9MB in the end (delta: 18.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:16,521 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:51:16,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2048.61ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 58.9MB in the end (delta: 17.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:16,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2048.61ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 58.9MB in the end (delta: 17.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die 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_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl --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 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:51:19,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:51:19,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:51:19,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:51:19,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:51:19,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:51:19,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:51:19,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:51:19,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:51:19,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:51:19,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:51:19,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:51:19,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:51:19,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:51:19,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:51:19,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:51:19,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:51:19,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:51:19,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:51:19,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:51:19,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:51:19,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:51:19,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:51:19,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:51:19,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:51:19,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:51:19,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:51:19,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:51:19,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:51:19,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:51:19,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:51:19,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:51:19,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:51:19,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:51:19,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:51:19,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:51:19,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:51:19,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:51:19,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:51:19,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:51:19,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:51:19,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 16:51:19,428 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:51:19,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:51:19,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:51:19,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:51:19,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:51:19,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:51:19,432 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:51:19,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:51:19,432 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:51:19,433 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:51:19,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:51:19,434 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:51:19,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:51:19,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:51:19,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:51:19,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:51:19,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:51:19,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:51:19,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:51:19,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:51:19,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:51:19,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:51:19,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:51:19,439 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:51:19,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:51:19,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:51:19,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:51:19,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:51:19,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:51:19,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:51:19,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:51:19,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:51:19,442 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:51:19,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:51:19,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:51:19,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:51:19,444 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_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 [2021-11-23 16:51:19,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:51:19,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:51:19,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:51:19,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:51:19,975 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:51:19,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-23 16:51:20,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/2dfffced9/7614bba7c35b413da48d58fc18abacfa/FLAGb44313904 [2021-11-23 16:51:21,119 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:51:21,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-23 16:51:21,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/2dfffced9/7614bba7c35b413da48d58fc18abacfa/FLAGb44313904 [2021-11-23 16:51:21,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf1d2bc-65af-475c-814b-3ca4c4167fe8/bin/utaipan-fb15Y9Yzbl/data/2dfffced9/7614bba7c35b413da48d58fc18abacfa [2021-11-23 16:51:21,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:51:21,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:51:21,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:21,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:51:21,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:51:21,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:21" (1/1) ... [2021-11-23 16:51:21,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c4cd01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:21, skipping insertion in model container [2021-11-23 16:51:21,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:21" (1/1) ... [2021-11-23 16:51:21,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:51:21,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:51:23,591 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-23 16:51:23,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6808a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:23, skipping insertion in model container [2021-11-23 16:51:23,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:51:23,596 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:51:23,600 INFO L158 Benchmark]: Toolchain (without parser) took 1973.49ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 40.3MB in the end (delta: 12.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:23,601 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:51:23,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1969.57ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 40.3MB in the end (delta: 11.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 16:51:23,606 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 73.4MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1969.57ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 40.3MB in the end (delta: 11.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die 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