./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- 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-8393723 [2022-11-19 08:32:19,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:32:19,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:32:20,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:32:20,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:32:20,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:32:20,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:32:20,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:32:20,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:32:20,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:32:20,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:32:20,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:32:20,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:32:20,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:32:20,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:32:20,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:32:20,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:32:20,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:32:20,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:32:20,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:32:20,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:32:20,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:32:20,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:32:20,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:32:20,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:32:20,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:32:20,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:32:20,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:32:20,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:32:20,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:32:20,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:32:20,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:32:20,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:32:20,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:32:20,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:32:20,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:32:20,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:32:20,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:32:20,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:32:20,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:32:20,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:32:20,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-19 08:32:20,138 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:32:20,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:32:20,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:32:20,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:32:20,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:32:20,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:32:20,141 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:32:20,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:32:20,141 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:32:20,141 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:32:20,142 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:32:20,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:32:20,143 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:32:20,143 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:32:20,143 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:32:20,143 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:32:20,144 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:32:20,144 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:32:20,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:32:20,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:32:20,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:32:20,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:32:20,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:32:20,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:32:20,147 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:32:20,147 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:32:20,148 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:32:20,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:32:20,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:32:20,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:32:20,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:32:20,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:32:20,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:32:20,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:32:20,150 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:32:20,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:32:20,150 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:32:20,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:32:20,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:32:20,151 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_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-19 08:32:20,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:32:20,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:32:20,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:32:20,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:32:20,503 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:32:20,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-19 08:32:20,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/155decf39/3c27b602b02049b8a6241ebc5e38ea88/FLAGb2c668805 [2022-11-19 08:32:21,317 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:32:21,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-19 08:32:21,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/155decf39/3c27b602b02049b8a6241ebc5e38ea88/FLAGb2c668805 [2022-11-19 08:32:21,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/155decf39/3c27b602b02049b8a6241ebc5e38ea88 [2022-11-19 08:32:21,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:32:21,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:32:21,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:32:21,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:32:21,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:32:21,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:32:21" (1/1) ... [2022-11-19 08:32:21,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e77ba7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:21, skipping insertion in model container [2022-11-19 08:32:21,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:32:21" (1/1) ... [2022-11-19 08:32:21,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:32:21,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:32:22,605 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-19 08:32:22,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@329dc70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:22, skipping insertion in model container [2022-11-19 08:32:22,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:32:22,607 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:32:22,609 INFO L158 Benchmark]: Toolchain (without parser) took 1164.50ms. Allocated memory is still 125.8MB. Free memory was 87.1MB in the beginning and 90.3MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 08:32:22,609 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:32:22,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1159.43ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 90.3MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 08:32:22,612 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 79.7MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1159.43ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 90.3MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- 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-8393723 [2022-11-19 08:32:24,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:32:24,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:32:24,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:32:24,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:32:24,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:32:24,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:32:24,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:32:24,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:32:24,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:32:24,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:32:24,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:32:24,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:32:24,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:32:24,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:32:24,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:32:24,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:32:24,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:32:24,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:32:24,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:32:24,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:32:24,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:32:24,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:32:24,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:32:24,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:32:24,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:32:24,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:32:24,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:32:24,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:32:24,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:32:24,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:32:24,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:32:24,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:32:24,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:32:24,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:32:24,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:32:24,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:32:24,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:32:24,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:32:24,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:32:24,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:32:24,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-19 08:32:24,851 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:32:24,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:32:24,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:32:24,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:32:24,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:32:24,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:32:24,854 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:32:24,855 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:32:24,855 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:32:24,855 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:32:24,856 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:32:24,856 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:32:24,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:32:24,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:32:24,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:32:24,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:32:24,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:32:24,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:32:24,859 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:32:24,859 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:32:24,859 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:32:24,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:32:24,860 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:32:24,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:32:24,860 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:32:24,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:32:24,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:32:24,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:32:24,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:32:24,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:32:24,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:32:24,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:32:24,862 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:32:24,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:32:24,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:32:24,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:32:24,863 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_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-19 08:32:25,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:32:25,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:32:25,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:32:25,281 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:32:25,281 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:32:25,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-19 08:32:25,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/a08789822/452a6f441c284750b10dbcec45afff6f/FLAGfc874c6c0 [2022-11-19 08:32:26,111 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:32:26,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-19 08:32:26,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/a08789822/452a6f441c284750b10dbcec45afff6f/FLAGfc874c6c0 [2022-11-19 08:32:26,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247a0f74-28cc-4db8-b7c3-0878d92bd0ab/bin/utaipan-I9t0OCRTmS/data/a08789822/452a6f441c284750b10dbcec45afff6f [2022-11-19 08:32:26,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:32:26,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:32:26,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:32:26,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:32:26,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:32:26,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:32:26" (1/1) ... [2022-11-19 08:32:26,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45325f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:26, skipping insertion in model container [2022-11-19 08:32:26,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:32:26" (1/1) ... [2022-11-19 08:32:26,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:32:26,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:32:27,423 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-19 08:32:27,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2af175e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:32:27, skipping insertion in model container [2022-11-19 08:32:27,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:32:27,424 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 08:32:27,426 INFO L158 Benchmark]: Toolchain (without parser) took 1183.51ms. Allocated memory is still 54.5MB. Free memory was 28.1MB in the beginning and 25.8MB in the end (delta: 2.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-19 08:32:27,427 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:32:27,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1180.98ms. Allocated memory is still 54.5MB. Free memory was 27.9MB in the beginning and 26.0MB in the end (delta: 2.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-19 08:32:27,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1180.98ms. Allocated memory is still 54.5MB. Free memory was 27.9MB in the beginning and 26.0MB in the end (delta: 2.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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