./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-1.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_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh --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 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca --- 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 [2022-12-14 05:25:09,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:25:09,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:25:09,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:25:09,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:25:09,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:25:09,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:25:09,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:25:09,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:25:09,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:25:09,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:25:09,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:25:09,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:25:09,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:25:09,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:25:09,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:25:09,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:25:09,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:25:09,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:25:09,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:25:09,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:25:09,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:25:09,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:25:09,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:25:09,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:25:09,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:25:09,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:25:09,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:25:09,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:25:09,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:25:09,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:25:09,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:25:09,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:25:09,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:25:09,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:25:09,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:25:09,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:25:09,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:25:09,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:25:09,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:25:09,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:25:09,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 05:25:09,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:25:09,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:25:09,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:25:09,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:25:09,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:25:09,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:25:09,231 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:25:09,237 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:25:09,238 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:25:09,238 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:25:09,238 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:25:09,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:25:09,238 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:25:09,239 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:25:09,239 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:25:09,239 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:25:09,239 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:25:09,239 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:25:09,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 05:25:09,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 05:25:09,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:25:09,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:25:09,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:25:09,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:25:09,241 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 05:25:09,241 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 05:25:09,242 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 05:25:09,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:25:09,242 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:25:09,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:25:09,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:25:09,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:25:09,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:25:09,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:25:09,243 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:25:09,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:25:09,244 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:25:09,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:25:09,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:25:09,244 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_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2022-12-14 05:25:09,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:25:09,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:25:09,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:25:09,453 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:25:09,453 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:25:09,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-12-14 05:25:12,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:25:12,453 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:25:12,454 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-12-14 05:25:12,481 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data/04f6b075f/46ef317c304847ed9fbfb03c7eaadbf3/FLAGa2a4fe755 [2022-12-14 05:25:12,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data/04f6b075f/46ef317c304847ed9fbfb03c7eaadbf3 [2022-12-14 05:25:12,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:25:12,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:25:12,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:25:12,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:25:12,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:25:12,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:25:12" (1/1) ... [2022-12-14 05:25:12,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0b26da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:12, skipping insertion in model container [2022-12-14 05:25:12,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:25:12" (1/1) ... [2022-12-14 05:25:12,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:25:12,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:25:13,296 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 05:25:13,308 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 05:25:13,319 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 05:25:13,328 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-12-14 05:25:13,334 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 05:25:13,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bfdf911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:13, skipping insertion in model container [2022-12-14 05:25:13,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:25:13,335 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 05:25:13,336 INFO L158 Benchmark]: Toolchain (without parser) took 838.60ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 55.0MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 05:25:13,337 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:25:13,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.75ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 55.3MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 05:25:13,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.75ms. Allocated memory is still 119.5MB. Free memory was 80.7MB in the beginning and 55.3MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh --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 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca --- 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 [2022-12-14 05:25:14,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:25:14,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:25:14,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:25:14,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:25:14,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:25:14,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:25:14,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:25:14,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:25:14,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:25:14,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:25:14,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:25:14,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:25:14,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:25:14,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:25:14,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:25:14,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:25:14,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:25:14,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:25:14,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:25:14,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:25:14,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:25:14,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:25:14,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:25:14,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:25:14,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:25:14,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:25:14,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:25:14,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:25:14,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:25:14,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:25:14,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:25:14,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:25:14,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:25:14,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:25:14,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:25:14,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:25:14,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:25:14,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:25:14,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:25:14,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:25:14,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 05:25:14,749 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:25:14,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:25:14,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:25:14,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:25:14,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:25:14,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:25:14,750 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:25:14,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:25:14,751 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:25:14,751 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:25:14,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:25:14,751 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:25:14,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 05:25:14,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 05:25:14,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:25:14,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:25:14,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:25:14,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:25:14,752 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 05:25:14,753 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 05:25:14,753 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 05:25:14,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:25:14,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:25:14,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:25:14,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:25:14,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:25:14,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:25:14,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:25:14,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:25:14,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:25:14,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:25:14,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:25:14,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:25:14,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:25:14,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:25:14,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:25:14,755 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_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2022-12-14 05:25:14,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:25:14,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:25:14,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:25:14,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:25:14,986 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:25:14,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-12-14 05:25:17,568 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:25:17,817 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:25:17,817 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-12-14 05:25:17,832 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data/78b32a748/aebf76fd0e2c48dc8bce21568d7a69d0/FLAG2ca35712d [2022-12-14 05:25:18,119 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5e9fd03-eb5f-4842-8677-3e9d4a986126/bin/utaipan-gh47qXpMRh/data/78b32a748/aebf76fd0e2c48dc8bce21568d7a69d0 [2022-12-14 05:25:18,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:25:18,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:25:18,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:25:18,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:25:18,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:25:18,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:25:18" (1/1) ... [2022-12-14 05:25:18,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e15593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:18, skipping insertion in model container [2022-12-14 05:25:18,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:25:18" (1/1) ... [2022-12-14 05:25:18,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:25:18,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:25:18,877 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 05:25:18,890 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 05:25:18,901 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 05:25:18,910 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-12-14 05:25:18,916 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 05:25:18,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@920d91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:18, skipping insertion in model container [2022-12-14 05:25:18,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:25:18,917 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 05:25:18,918 INFO L158 Benchmark]: Toolchain (without parser) took 795.75ms. Allocated memory is still 60.8MB. Free memory was 35.1MB in the beginning and 33.4MB in the end (delta: 1.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-14 05:25:18,919 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 27.4MB in the beginning and 27.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:25:18,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.30ms. Allocated memory is still 60.8MB. Free memory was 34.8MB in the beginning and 33.6MB in the end (delta: 1.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-14 05:25:18,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 27.4MB in the beginning and 27.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.30ms. Allocated memory is still 60.8MB. Free memory was 34.8MB in the beginning and 33.6MB in the end (delta: 1.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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