./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/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_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 08:05:39,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:05:39,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:05:39,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:05:39,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:05:39,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:05:39,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:05:39,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:05:39,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:05:39,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:05:39,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:05:39,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:05:39,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:05:39,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:05:39,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:05:39,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:05:39,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:05:39,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:05:39,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:05:39,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:05:39,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:05:39,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:05:39,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:05:39,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:05:39,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:05:39,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:05:39,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:05:39,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:05:39,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:05:39,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:05:39,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:05:39,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:05:39,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:05:39,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:05:39,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:05:39,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:05:39,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:05:39,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:05:39,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:05:39,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:05:39,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:05:39,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 08:05:39,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:05:39,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:05:39,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:05:39,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:05:39,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:05:39,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:05:39,992 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:05:39,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:05:39,993 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:05:39,993 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:05:39,993 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:05:39,993 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:05:39,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:05:39,994 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:05:39,994 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:05:39,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:05:39,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:05:39,994 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:05:39,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 08:05:39,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 08:05:39,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:05:39,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:05:39,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:05:39,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:05:39,996 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 08:05:39,997 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 08:05:39,997 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 08:05:39,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:05:39,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:05:39,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:05:39,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:05:39,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:05:39,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:05:39,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:05:39,998 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:05:39,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:05:39,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:05:39,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:05:39,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:05:39,999 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_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-12-14 08:05:40,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:05:40,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:05:40,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:05:40,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:05:40,212 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:05:40,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 08:05:42,804 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:05:43,065 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:05:43,066 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 08:05:43,083 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data/94b3ac018/6391c1b631444317b441fd0ce942cbb5/FLAGaa297107d [2022-12-14 08:05:43,095 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data/94b3ac018/6391c1b631444317b441fd0ce942cbb5 [2022-12-14 08:05:43,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:05:43,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:05:43,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:43,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:05:43,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:05:43,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:43" (1/1) ... [2022-12-14 08:05:43,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa5ea82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:43, skipping insertion in model container [2022-12-14 08:05:43,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:43" (1/1) ... [2022-12-14 08:05:43,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:05:43,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:05:43,839 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 08:05:43,850 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 08:05:43,857 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-12-14 08:05:43,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11656b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:43, skipping insertion in model container [2022-12-14 08:05:43,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:43,858 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 08:05:43,859 INFO L158 Benchmark]: Toolchain (without parser) took 760.89ms. Allocated memory is still 111.1MB. Free memory was 71.7MB in the beginning and 48.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 08:05:43,859 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:05:43,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.29ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 48.6MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 08:05:43,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.29ms. Allocated memory is still 111.1MB. Free memory was 71.4MB in the beginning and 48.6MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/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_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 08:05:45,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:05:45,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:05:45,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:05:45,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:05:45,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:05:45,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:05:45,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:05:45,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:05:45,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:05:45,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:05:45,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:05:45,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:05:45,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:05:45,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:05:45,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:05:45,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:05:45,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:05:45,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:05:45,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:05:45,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:05:45,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:05:45,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:05:45,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:05:45,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:05:45,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:05:45,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:05:45,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:05:45,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:05:45,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:05:45,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:05:45,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:05:45,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:05:45,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:05:45,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:05:45,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:05:45,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:05:45,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:05:45,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:05:45,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:05:45,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:05:45,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 08:05:45,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:05:45,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:05:45,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:05:45,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:05:45,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:05:45,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:05:45,271 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:05:45,271 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:05:45,271 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:05:45,271 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:05:45,271 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:05:45,271 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:05:45,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 08:05:45,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 08:05:45,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:05:45,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:05:45,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:05:45,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:05:45,273 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 08:05:45,273 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 08:05:45,273 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 08:05:45,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:05:45,273 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:05:45,274 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:05:45,274 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:05:45,274 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:05:45,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:05:45,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:05:45,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:05:45,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:05:45,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:05:45,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:05:45,275 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:05:45,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:05:45,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:05:45,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:05:45,276 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_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-12-14 08:05:45,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:05:45,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:05:45,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:05:45,499 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:05:45,499 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:05:45,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 08:05:48,099 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:05:48,335 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:05:48,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 08:05:48,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data/1963360cb/bd736099d46a487fbb7a833a164b9a6e/FLAG75a1acd2f [2022-12-14 08:05:48,360 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5302a863-8227-4527-a3a1-73fe8a9f3670/bin/utaipan-gh47qXpMRh/data/1963360cb/bd736099d46a487fbb7a833a164b9a6e [2022-12-14 08:05:48,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:05:48,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:05:48,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:48,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:05:48,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:05:48,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:48" (1/1) ... [2022-12-14 08:05:48,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7fd304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:48, skipping insertion in model container [2022-12-14 08:05:48,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:48" (1/1) ... [2022-12-14 08:05:48,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:05:48,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:05:49,098 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 08:05:49,107 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 08:05:49,111 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-12-14 08:05:49,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@330587a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:49, skipping insertion in model container [2022-12-14 08:05:49,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:49,112 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 08:05:49,113 INFO L158 Benchmark]: Toolchain (without parser) took 749.89ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 29.9MB in the end (delta: 9.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 08:05:49,113 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:05:49,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.39ms. Allocated memory is still 65.0MB. Free memory was 39.2MB in the beginning and 29.9MB in the end (delta: 9.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 08:05:49,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 48.2MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.39ms. Allocated memory is still 65.0MB. Free memory was 39.2MB in the beginning and 29.9MB in the end (delta: 9.3MB). Peak memory consumption was 14.2MB. 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