./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 2329fc70 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_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/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_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 15:21:51,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:21:51,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:21:51,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:21:51,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:21:51,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:21:51,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:21:51,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:21:51,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:21:51,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:21:51,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:21:51,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:21:51,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:21:51,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:21:51,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:21:51,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:21:51,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:21:51,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:21:51,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:21:51,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:21:51,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:21:51,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:21:51,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:21:51,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:21:51,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:21:51,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:21:51,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:21:51,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:21:51,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:21:51,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:21:51,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:21:51,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:21:51,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:21:51,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:21:51,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:21:51,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:21:51,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:21:51,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:21:51,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:21:51,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:21:51,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:21:51,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-12-13 15:21:51,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:21:51,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:21:51,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:21:51,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:21:51,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:21:51,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:21:51,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:21:51,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:21:51,555 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:21:51,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:21:51,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:21:51,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:21:51,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:21:51,556 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 15:21:51,556 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 15:21:51,556 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 15:21:51,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:21:51,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:21:51,556 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:21:51,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:21:51,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:21:51,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:21:51,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:21:51,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:21:51,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:21:51,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:21:51,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:21:51,558 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:21:51,558 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:21:51,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:21:51,558 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:21:51,558 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_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-12-13 15:21:51,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:21:51,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:21:51,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:21:51,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:21:51,746 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:21:51,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-12-13 15:21:54,266 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:21:54,561 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:21:54,561 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-12-13 15:21:54,580 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data/7bf98cdfc/e597c58e960a45f89f448a3d7050b9d9/FLAGb5bff2a5f [2022-12-13 15:21:54,591 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data/7bf98cdfc/e597c58e960a45f89f448a3d7050b9d9 [2022-12-13 15:21:54,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:21:54,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:21:54,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:21:54,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:21:54,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:21:54,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:21:54" (1/1) ... [2022-12-13 15:21:54,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3b837c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:54, skipping insertion in model container [2022-12-13 15:21:54,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:21:54" (1/1) ... [2022-12-13 15:21:54,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:21:54,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:21:55,389 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:21:55,390 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-13 15:21:55,392 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-13 15:21:55,402 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-13 15:21:55,403 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-13 15:21:55,405 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-13 15:21:55,406 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 [2022-12-13 15:21:55,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2acd84c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:21:55, skipping insertion in model container [2022-12-13 15:21:55,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:21:55,407 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 15:21:55,408 INFO L158 Benchmark]: Toolchain (without parser) took 813.43ms. Allocated memory is still 140.5MB. Free memory was 95.5MB in the beginning and 68.0MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 15:21:55,409 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:21:55,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.65ms. Allocated memory is still 140.5MB. Free memory was 95.2MB in the beginning and 68.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 15:21:55,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.65ms. Allocated memory is still 140.5MB. Free memory was 95.2MB in the beginning and 68.0MB in the end (delta: 27.3MB). 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_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/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_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 15:21:56,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:21:56,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:21:56,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:21:56,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:21:56,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:21:56,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:21:56,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:21:56,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:21:56,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:21:56,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:21:56,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:21:56,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:21:56,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:21:56,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:21:56,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:21:56,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:21:56,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:21:56,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:21:56,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:21:56,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:21:56,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:21:56,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:21:56,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:21:56,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:21:56,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:21:56,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:21:56,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:21:56,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:21:56,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:21:56,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:21:56,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:21:56,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:21:56,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:21:56,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:21:56,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:21:56,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:21:56,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:21:56,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:21:56,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:21:56,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:21:56,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-12-13 15:21:56,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:21:56,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:21:56,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:21:56,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:21:56,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:21:56,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:21:56,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:21:56,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:21:56,816 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:21:56,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:21:56,816 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:21:56,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:21:56,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:21:56,817 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 15:21:56,817 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 15:21:56,817 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 15:21:56,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:21:56,818 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:21:56,818 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:21:56,818 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:21:56,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:21:56,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:21:56,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:21:56,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:21:56,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:21:56,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:21:56,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:21:56,819 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:21:56,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:21:56,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:21:56,820 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:21:56,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:21:56,820 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:21:56,821 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:21:56,821 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_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-12-13 15:21:57,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:21:57,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:21:57,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:21:57,121 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:21:57,122 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:21:57,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-12-13 15:21:59,746 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:22:00,040 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:22:00,041 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-12-13 15:22:00,057 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data/eee3102ca/685c96854038496687679d4b48cd23ae/FLAGf3074c69d [2022-12-13 15:22:00,067 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a165ba-3ac7-4925-8562-972a33593034/bin/uautomizer-uyxdKDjOR8/data/eee3102ca/685c96854038496687679d4b48cd23ae [2022-12-13 15:22:00,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:22:00,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:22:00,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:00,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:22:00,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:22:00,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:00" (1/1) ... [2022-12-13 15:22:00,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcbdce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:00, skipping insertion in model container [2022-12-13 15:22:00,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:00" (1/1) ... [2022-12-13 15:22:00,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:22:00,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:22:00,946 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 15:22:00,947 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-13 15:22:00,949 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-13 15:22:00,957 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-13 15:22:00,959 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-13 15:22:00,960 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-13 15:22:00,962 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 [2022-12-13 15:22:00,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5932e137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:00, skipping insertion in model container [2022-12-13 15:22:00,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:00,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 15:22:00,964 INFO L158 Benchmark]: Toolchain (without parser) took 893.27ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 52.4MB in the end (delta: 5.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-12-13 15:22:00,964 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:22:00,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.68ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 52.4MB in the end (delta: 5.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-12-13 15:22:00,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.68ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 52.4MB in the end (delta: 5.1MB). 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