./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/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_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:54:16,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:54:16,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:54:16,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:54:16,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:54:16,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:54:16,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:54:16,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:54:16,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:54:16,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:54:16,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:54:16,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:54:16,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:54:16,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:54:16,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:54:16,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:54:16,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:54:16,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:54:16,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:54:16,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:54:16,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:54:16,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:54:16,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:54:16,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:54:16,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:54:16,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:54:16,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:54:16,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:54:16,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:54:16,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:54:16,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:54:16,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:54:16,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:54:16,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:54:16,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:54:16,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:54:16,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:54:16,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:54:16,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:54:16,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:54:16,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:54:16,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 00:54:16,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:54:16,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:54:16,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:54:16,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:54:16,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:54:16,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:54:16,354 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:54:16,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:54:16,355 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:54:16,355 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:54:16,356 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:54:16,357 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:54:16,357 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:54:16,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:54:16,358 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:54:16,358 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:54:16,358 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:54:16,359 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:54:16,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:54:16,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:54:16,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:54:16,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:54:16,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:54:16,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:54:16,363 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:54:16,363 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:54:16,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:54:16,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:54:16,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:54:16,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:54:16,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:54:16,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:54:16,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:16,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:54:16,366 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:54:16,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:54:16,367 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:54:16,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:54:16,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:54:16,367 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_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2022-11-26 00:54:16,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:54:16,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:54:16,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:54:16,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:54:16,722 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:54:16,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-26 00:54:19,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:54:20,424 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:54:20,425 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-26 00:54:20,447 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data/1751b25d3/3aaaa6cf37b848a2ba71362ecfd4b697/FLAG742dc8442 [2022-11-26 00:54:20,468 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data/1751b25d3/3aaaa6cf37b848a2ba71362ecfd4b697 [2022-11-26 00:54:20,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:54:20,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:54:20,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:20,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:54:20,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:54:20,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:20" (1/1) ... [2022-11-26 00:54:20,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4fa0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:20, skipping insertion in model container [2022-11-26 00:54:20,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:20" (1/1) ... [2022-11-26 00:54:20,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:54:20,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:54:21,876 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:54:21,879 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:54:21,882 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:54:21,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dcd4f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:21, skipping insertion in model container [2022-11-26 00:54:21,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:21,883 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:54:21,885 INFO L158 Benchmark]: Toolchain (without parser) took 1411.19ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 109.2MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 00:54:21,886 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:54:21,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1406.55ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 109.2MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 00:54:21,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1406.55ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 109.2MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/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_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:54:24,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:54:24,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:54:24,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:54:24,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:54:24,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:54:24,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:54:24,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:54:24,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:54:24,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:54:24,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:54:24,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:54:24,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:54:24,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:54:24,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:54:24,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:54:24,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:54:24,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:54:24,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:54:24,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:54:24,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:54:24,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:54:24,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:54:24,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:54:24,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:54:24,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:54:24,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:54:24,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:54:24,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:54:24,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:54:24,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:54:24,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:54:24,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:54:24,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:54:24,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:54:24,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:54:24,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:54:24,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:54:24,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:54:24,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:54:24,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:54:24,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 00:54:24,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:54:24,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:54:24,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:54:24,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:54:24,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:54:24,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:54:24,550 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:54:24,551 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:54:24,551 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:54:24,551 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:54:24,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:54:24,552 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:54:24,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:54:24,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:54:24,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:54:24,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:54:24,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:54:24,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:54:24,555 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:54:24,555 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:54:24,555 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:54:24,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:54:24,555 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:54:24,556 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:54:24,556 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:54:24,556 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:54:24,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:54:24,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:54:24,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:54:24,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:54:24,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:54:24,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:54:24,558 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:54:24,558 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:54:24,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:54:24,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:54:24,559 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_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2022-11-26 00:54:24,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:54:25,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:54:25,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:54:25,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:54:25,024 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:54:25,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-26 00:54:28,178 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:54:28,613 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:54:28,619 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-26 00:54:28,658 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data/474fd4e2c/27843585bdea46d29a943a6c9554dc49/FLAGe351738c2 [2022-11-26 00:54:28,684 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41178e8d-a6f9-41b3-8ecc-5c0f03a3196e/bin/utaipan-ByfvJB40ur/data/474fd4e2c/27843585bdea46d29a943a6c9554dc49 [2022-11-26 00:54:28,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:54:28,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:54:28,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:28,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:54:28,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:54:28,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:28" (1/1) ... [2022-11-26 00:54:28,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af6b2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:28, skipping insertion in model container [2022-11-26 00:54:28,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:54:28" (1/1) ... [2022-11-26 00:54:28,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:54:28,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:54:29,903 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:54:29,905 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:54:29,908 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:54:29,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13ffcafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:54:29, skipping insertion in model container [2022-11-26 00:54:29,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:54:29,910 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:54:29,912 INFO L158 Benchmark]: Toolchain (without parser) took 1222.78ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 37.0MB in the beginning and 52.5MB in the end (delta: -15.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-26 00:54:29,912 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:54:29,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1220.24ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 52.5MB in the end (delta: -15.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-26 00:54:29,915 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 69.2MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1220.24ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 52.5MB in the end (delta: -15.8MB). Peak memory consumption was 12.8MB. 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