./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 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_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/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_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 01:03:11,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:03:11,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:03:11,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:03:11,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:03:11,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:03:11,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:03:11,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:03:11,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:03:11,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:03:11,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:03:11,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:03:11,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:03:11,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:03:11,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:03:11,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:03:11,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:03:11,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:03:11,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:03:11,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:03:11,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:03:11,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:03:11,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:03:11,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:03:11,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:03:11,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:03:11,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:03:11,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:03:11,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:03:11,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:03:11,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:03:11,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:03:11,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:03:11,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:03:11,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:03:11,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:03:11,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:03:11,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:03:11,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:03:11,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:03:11,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:03:11,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 01:03:11,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:03:11,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:03:11,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:03:11,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:03:11,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:03:11,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:03:11,674 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:03:11,674 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:03:11,674 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:03:11,674 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:03:11,675 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:03:11,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:03:11,676 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:03:11,676 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:03:11,676 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:03:11,676 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:03:11,677 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:03:11,677 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:03:11,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 01:03:11,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 01:03:11,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:03:11,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:03:11,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:03:11,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:03:11,680 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 01:03:11,680 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 01:03:11,680 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 01:03:11,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:03:11,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:03:11,681 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:03:11,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:03:11,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:03:11,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:11,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:03:11,682 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:03:11,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:03:11,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:03:11,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:03:11,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:03:11,683 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_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2022-11-26 01:03:11,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:03:11,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:03:11,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:03:11,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:03:11,977 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:03:11,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-26 01:03:14,952 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:03:15,486 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:03:15,487 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-26 01:03:15,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data/10e58d5c5/42eb92e62df044a8b5e16200d74bc1fa/FLAG9fdb01e6f [2022-11-26 01:03:15,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data/10e58d5c5/42eb92e62df044a8b5e16200d74bc1fa [2022-11-26 01:03:15,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:03:15,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:03:15,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:15,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:03:15,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:03:15,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:15" (1/1) ... [2022-11-26 01:03:15,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1bcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:15, skipping insertion in model container [2022-11-26 01:03:15,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:15" (1/1) ... [2022-11-26 01:03:15,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:03:15,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:03:16,864 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:03:16,876 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:03:16,886 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:03:16,895 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-11-26 01:03:16,902 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 01:03:16,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11dbdf6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:16, skipping insertion in model container [2022-11-26 01:03:16,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:16,903 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:03:16,905 INFO L158 Benchmark]: Toolchain (without parser) took 1359.12ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 64.4MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 01:03:16,906 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:16,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1353.27ms. Allocated memory is still 125.8MB. Free memory was 90.1MB in the beginning and 64.4MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 01:03:16,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1353.27ms. Allocated memory is still 125.8MB. Free memory was 90.1MB in the beginning and 64.4MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. 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_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/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_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 01:03:19,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:03:19,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:03:19,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:03:19,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:03:19,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:03:19,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:03:19,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:03:19,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:03:19,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:03:19,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:03:19,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:03:19,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:03:19,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:03:19,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:03:19,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:03:19,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:03:19,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:03:19,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:03:19,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:03:19,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:03:19,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:03:19,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:03:19,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:03:19,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:03:19,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:03:19,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:03:19,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:03:19,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:03:19,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:03:19,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:03:19,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:03:19,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:03:19,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:03:19,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:03:19,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:03:19,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:03:19,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:03:19,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:03:19,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:03:19,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:03:19,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 01:03:19,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:03:19,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:03:19,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:03:19,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:03:19,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:03:19,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:03:19,331 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:03:19,331 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:03:19,332 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:03:19,332 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:03:19,333 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:03:19,333 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:03:19,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 01:03:19,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 01:03:19,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:03:19,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:03:19,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:03:19,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:03:19,336 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 01:03:19,336 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 01:03:19,336 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 01:03:19,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:03:19,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:03:19,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:03:19,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:03:19,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:03:19,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:03:19,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:03:19,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:03:19,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:19,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:03:19,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:03:19,340 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:03:19,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:03:19,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:03:19,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:03:19,341 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_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2022-11-26 01:03:19,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:03:19,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:03:19,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:03:19,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:03:19,799 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:03:19,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-26 01:03:22,833 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:03:23,266 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:03:23,267 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-26 01:03:23,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data/94a83d07b/e82c94a450f74a6ebbbddf3411921cc6/FLAG32bb6300a [2022-11-26 01:03:23,312 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21fa9979-358b-474e-a6f1-437f1f8dc170/bin/utaipan-ByfvJB40ur/data/94a83d07b/e82c94a450f74a6ebbbddf3411921cc6 [2022-11-26 01:03:23,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:03:23,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:03:23,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:23,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:03:23,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:03:23,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:23" (1/1) ... [2022-11-26 01:03:23,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5fb39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:23, skipping insertion in model container [2022-11-26 01:03:23,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:23" (1/1) ... [2022-11-26 01:03:23,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:03:23,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:03:24,424 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:03:24,455 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:03:24,475 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:03:24,495 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-11-26 01:03:24,506 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 01:03:24,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9ce8aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:24, skipping insertion in model container [2022-11-26 01:03:24,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:24,508 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:03:24,510 INFO L158 Benchmark]: Toolchain (without parser) took 1192.37ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 45.7MB in the end (delta: 5.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-26 01:03:24,511 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 60.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:24,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1190.07ms. Allocated memory is still 77.6MB. Free memory was 50.9MB in the beginning and 45.7MB in the end (delta: 5.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-26 01:03:24,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 60.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1190.07ms. Allocated memory is still 77.6MB. Free memory was 50.9MB in the beginning and 45.7MB in the end (delta: 5.2MB). Peak memory consumption was 21.9MB. 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