./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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 efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:00:05,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:00:05,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:00:05,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:00:05,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:00:05,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:00:05,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:00:05,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:00:05,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:00:05,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:00:05,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:00:05,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:00:05,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:00:05,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:00:05,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:00:05,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:00:05,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:00:05,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:00:05,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:00:05,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:00:05,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:00:05,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:00:05,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:00:05,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:00:05,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:00:05,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:00:05,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:00:05,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:00:05,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:00:05,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:00:05,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:00:05,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:00:05,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:00:05,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:00:05,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:00:05,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:00:05,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:00:05,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:00:05,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:00:05,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:00:05,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:00:05,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 00:00:05,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:00:05,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:00:05,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:00:05,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:00:05,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:00:05,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:00:05,791 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:00:05,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:00:05,792 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:00:05,792 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:00:05,793 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:00:05,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:00:05,793 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:00:05,794 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:00:05,794 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:00:05,794 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:00:05,794 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:00:05,795 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:00:05,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:00:05,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:00:05,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:00:05,799 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:00:05,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:00:05,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:00:05,804 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:00:05,805 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:00:05,805 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:00:05,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:00:05,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:00:05,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:00:05,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:00:05,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:00:05,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:00:05,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:00:05,806 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:00:05,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:00:05,807 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:00:05,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:00:05,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:00:05,807 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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 [2022-11-26 00:00:06,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:00:06,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:00:06,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:00:06,123 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:00:06,124 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:00:06,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-11-26 00:00:09,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:00:09,611 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:00:09,612 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-11-26 00:00:09,655 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data/4cb0ff217/415f9f2a72b64641bd37d25bff6e4f22/FLAG1396a63ff [2022-11-26 00:00:09,674 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data/4cb0ff217/415f9f2a72b64641bd37d25bff6e4f22 [2022-11-26 00:00:09,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:00:09,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:00:09,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:09,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:00:09,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:00:09,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:09" (1/1) ... [2022-11-26 00:00:09,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12243ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:09, skipping insertion in model container [2022-11-26 00:00:09,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:09" (1/1) ... [2022-11-26 00:00:09,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:00:09,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:00:11,034 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-26 00:00:11,035 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:00:11,038 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:00:11,052 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:00:11,054 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:00:11,112 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 00:00:11,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dbdb805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11, skipping insertion in model container [2022-11-26 00:00:11,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:11,114 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:00:11,115 INFO L158 Benchmark]: Toolchain (without parser) took 1436.61ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 77.8MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:00:11,116 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 92.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:00:11,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1434.31ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 77.8MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:00:11,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 92.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1434.31ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 77.8MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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 efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:00:13,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:00:13,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:00:13,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:00:13,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:00:13,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:00:13,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:00:13,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:00:13,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:00:13,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:00:13,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:00:13,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:00:13,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:00:13,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:00:13,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:00:13,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:00:13,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:00:13,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:00:13,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:00:13,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:00:13,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:00:13,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:00:13,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:00:13,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:00:13,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:00:13,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:00:13,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:00:13,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:00:13,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:00:13,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:00:13,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:00:13,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:00:13,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:00:13,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:00:13,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:00:13,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:00:13,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:00:13,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:00:13,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:00:13,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:00:13,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:00:13,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 00:00:13,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:00:13,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:00:13,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:00:13,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:00:13,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:00:13,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:00:13,516 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:00:13,516 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:00:13,516 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:00:13,517 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:00:13,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:00:13,517 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:00:13,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:00:13,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:00:13,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:00:13,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:00:13,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:00:13,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:00:13,520 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:00:13,520 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:00:13,520 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:00:13,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:00:13,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:00:13,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:00:13,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:00:13,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:00:13,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:00:13,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:00:13,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:00:13,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:00:13,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:00:13,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:00:13,523 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:00:13,523 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:00:13,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:00:13,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:00:13,524 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_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 [2022-11-26 00:00:13,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:00:13,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:00:13,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:00:13,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:00:13,932 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:00:13,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-11-26 00:00:16,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:00:17,500 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:00:17,501 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-11-26 00:00:17,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data/f8746fe84/e899b2dcbd3e4e36b67bc88ea0d6c9da/FLAGd23fbdb26 [2022-11-26 00:00:17,549 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f48b73b-92a9-48a9-b8a5-e4555c83e6a3/bin/utaipan-ByfvJB40ur/data/f8746fe84/e899b2dcbd3e4e36b67bc88ea0d6c9da [2022-11-26 00:00:17,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:00:17,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:00:17,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:17,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:00:17,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:00:17,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:17" (1/1) ... [2022-11-26 00:00:17,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4589576a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:17, skipping insertion in model container [2022-11-26 00:00:17,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:17" (1/1) ... [2022-11-26 00:00:17,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:00:17,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:00:18,775 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-26 00:00:18,778 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:00:18,786 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:00:18,811 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:00:18,819 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:00:18,872 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 00:00:18,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e59cd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:18, skipping insertion in model container [2022-11-26 00:00:18,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:00:18,876 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:00:18,878 INFO L158 Benchmark]: Toolchain (without parser) took 1321.76ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 37.0MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 00:00:18,879 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:00:18,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1313.35ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 37.0MB in the end (delta: 11.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 00:00:18,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1313.35ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 37.0MB in the end (delta: 11.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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