./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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 [2022-11-25 17:11:32,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:11:32,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:11:32,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:11:32,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:11:32,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:11:32,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:11:32,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:11:32,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:11:32,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:11:32,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:11:32,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:11:32,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:11:32,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:11:32,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:11:32,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:11:32,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:11:32,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:11:32,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:11:32,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:11:32,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:11:32,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:11:32,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:11:32,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:11:32,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:11:32,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:11:32,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:11:32,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:11:32,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:11:32,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:11:32,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:11:32,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:11:32,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:11:32,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:11:32,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:11:32,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:11:32,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:11:32,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:11:32,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:11:32,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:11:32,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:11:32,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-11-25 17:11:32,447 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:11:32,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:11:32,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:11:32,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:11:32,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:11:32,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:11:32,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:11:32,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:11:32,451 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:11:32,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:11:32,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:11:32,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:11:32,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:11:32,454 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:11:32,454 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:11:32,454 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:11:32,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:11:32,455 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:11:32,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:11:32,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:11:32,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:11:32,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:11:32,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:11:32,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:11:32,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:11:32,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:11:32,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:11:32,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:11:32,458 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:11:32,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:11:32,459 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-25 17:11:32,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:11:32,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:11:32,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:11:32,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:11:32,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:11:32,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 17:11:35,862 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:11:36,327 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:11:36,328 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 17:11:36,363 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data/20c3d3d0b/412450af0ade4811867e5473bec640a6/FLAG050e9aab3 [2022-11-25 17:11:36,378 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data/20c3d3d0b/412450af0ade4811867e5473bec640a6 [2022-11-25 17:11:36,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:11:36,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:11:36,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:11:36,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:11:36,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:11:36,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:36" (1/1) ... [2022-11-25 17:11:36,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c793e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:36, skipping insertion in model container [2022-11-25 17:11:36,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:36" (1/1) ... [2022-11-25 17:11:36,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:11:36,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:11:37,838 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 17:11:37,841 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 17:11:37,844 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 17:11:37,858 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 17:11:37,861 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 17:11:37,862 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 17:11:37,865 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-25 17:11:37,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15d0e1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:37, skipping insertion in model container [2022-11-25 17:11:37,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:11:37,866 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 17:11:37,868 INFO L158 Benchmark]: Toolchain (without parser) took 1485.22ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 111.2MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 17:11:37,869 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 95.4MB in the end (delta: 127.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:11:37,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.59ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 111.2MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 17:11:37,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 95.4MB in the end (delta: 127.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1482.59ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 111.2MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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 [2022-11-25 17:11:40,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:11:40,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:11:40,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:11:40,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:11:40,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:11:40,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:11:40,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:11:40,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:11:40,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:11:40,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:11:40,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:11:40,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:11:40,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:11:40,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:11:40,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:11:40,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:11:40,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:11:40,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:11:40,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:11:40,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:11:40,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:11:40,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:11:40,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:11:40,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:11:40,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:11:40,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:11:40,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:11:40,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:11:40,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:11:40,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:11:40,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:11:40,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:11:40,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:11:40,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:11:40,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:11:40,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:11:40,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:11:40,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:11:40,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:11:40,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:11:40,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-11-25 17:11:40,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:11:40,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:11:40,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:11:40,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:11:40,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:11:40,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:11:40,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:11:40,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:11:40,505 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:11:40,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:11:40,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:11:40,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:11:40,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:11:40,508 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:11:40,508 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:11:40,508 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:11:40,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:11:40,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:11:40,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:11:40,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:11:40,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:11:40,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:11:40,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:11:40,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:11:40,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:11:40,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:11:40,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:11:40,512 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:11:40,512 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:11:40,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:11:40,512 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:11:40,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:11:40,513 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:11:40,513 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-25 17:11:40,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:11:40,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:11:40,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:11:40,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:11:40,985 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:11:40,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 17:11:44,249 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:11:44,760 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:11:44,760 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-25 17:11:44,805 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data/b67bc83d3/388d48795b94452eaa4d12a39fb3c744/FLAG45ce5d852 [2022-11-25 17:11:44,822 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fded5bc-7f66-4624-bf07-a32c33e03794/bin/uautomizer-ZsLfNo2U6R/data/b67bc83d3/388d48795b94452eaa4d12a39fb3c744 [2022-11-25 17:11:44,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:11:44,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:11:44,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:11:44,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:11:44,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:11:44,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:44" (1/1) ... [2022-11-25 17:11:44,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4427b632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:44, skipping insertion in model container [2022-11-25 17:11:44,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:44" (1/1) ... [2022-11-25 17:11:44,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:11:44,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:11:46,292 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 17:11:46,297 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 17:11:46,302 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 17:11:46,326 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 17:11:46,339 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 17:11:46,344 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 17:11:46,347 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-25 17:11:46,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d3d4a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:46, skipping insertion in model container [2022-11-25 17:11:46,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:11:46,350 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 17:11:46,353 INFO L158 Benchmark]: Toolchain (without parser) took 1525.14ms. Allocated memory is still 75.5MB. Free memory was 48.1MB in the beginning and 43.1MB in the end (delta: 5.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-25 17:11:46,353 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:11:46,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1522.49ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 43.1MB in the end (delta: 4.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-25 17:11:46,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1522.49ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 43.1MB in the end (delta: 4.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN