./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/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_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 09:08:42,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:08:42,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:08:42,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:08:42,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:08:42,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:08:42,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:08:42,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:08:42,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:08:42,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:08:42,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:08:42,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:08:42,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:08:42,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:08:42,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:08:42,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:08:42,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:08:42,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:08:42,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:08:42,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:08:42,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:08:42,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:08:42,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:08:42,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:08:42,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:08:42,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:08:42,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:08:42,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:08:42,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:08:42,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:08:42,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:08:42,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:08:42,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:08:42,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:08:42,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:08:42,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:08:42,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:08:42,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:08:42,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:08:42,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:08:42,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:08:42,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 09:08:42,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:08:42,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:08:42,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:08:42,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:08:42,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:08:42,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:08:42,980 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:08:42,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:08:42,981 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:08:42,981 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:08:42,981 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:08:42,981 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:08:42,982 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:08:42,982 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:08:42,982 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:08:42,982 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:08:42,982 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:08:42,983 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:08:42,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:08:42,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:08:42,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:08:42,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:08:42,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:08:42,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:08:42,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:08:42,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:08:42,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:08:42,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:08:42,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:08:42,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:08:42,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:08:42,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:08:42,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:08:42,986 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:08:42,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:08:42,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:08:42,987 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:08:42,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:08:42,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:08:42,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:08:42,987 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_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-12-14 09:08:43,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:08:43,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:08:43,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:08:43,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:08:43,208 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:08:43,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 09:08:45,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:08:46,207 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:08:46,208 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 09:08:46,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data/f3b3df5ee/f70b5f4f016f40df942b445db3370eda/FLAG51344a51e [2022-12-14 09:08:46,242 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data/f3b3df5ee/f70b5f4f016f40df942b445db3370eda [2022-12-14 09:08:46,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:08:46,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:08:46,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:08:46,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:08:46,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:08:46,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:08:46" (1/1) ... [2022-12-14 09:08:46,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d5acfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:08:46, skipping insertion in model container [2022-12-14 09:08:46,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:08:46" (1/1) ... [2022-12-14 09:08:46,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:08:46,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:08:47,158 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 09:08:47,165 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 09:08:47,170 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 09:08:47,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43277031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:08:47, skipping insertion in model container [2022-12-14 09:08:47,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:08:47,171 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 09:08:47,172 INFO L158 Benchmark]: Toolchain (without parser) took 925.22ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 107.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 09:08:47,172 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:08:47,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 923.05ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 107.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 09:08:47,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 923.05ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 107.8MB in the end (delta: 23.1MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/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_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 09:08:48,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:08:48,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:08:48,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:08:48,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:08:48,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:08:48,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:08:48,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:08:48,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:08:48,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:08:48,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:08:48,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:08:48,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:08:48,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:08:48,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:08:48,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:08:48,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:08:48,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:08:48,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:08:48,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:08:48,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:08:48,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:08:48,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:08:48,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:08:48,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:08:48,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:08:48,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:08:48,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:08:48,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:08:48,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:08:48,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:08:48,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:08:48,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:08:48,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:08:48,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:08:48,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:08:48,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:08:48,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:08:48,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:08:48,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:08:48,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:08:48,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 09:08:48,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:08:48,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:08:48,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:08:48,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:08:48,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:08:48,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:08:48,663 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:08:48,664 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:08:48,664 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:08:48,664 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:08:48,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:08:48,664 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:08:48,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:08:48,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:08:48,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:08:48,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:08:48,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:08:48,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:08:48,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:08:48,666 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:08:48,666 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:08:48,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:08:48,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:08:48,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:08:48,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:08:48,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:08:48,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:08:48,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:08:48,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:08:48,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:08:48,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:08:48,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:08:48,668 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:08:48,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:08:48,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:08:48,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:08:48,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:08:48,669 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_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-12-14 09:08:48,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:08:48,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:08:48,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:08:48,920 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:08:48,921 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:08:48,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 09:08:51,552 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:08:51,814 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:08:51,814 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-12-14 09:08:51,830 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data/377aa93ca/2d422e8e31fa4fafa2f3b86d254c51c7/FLAG8cd9fdaff [2022-12-14 09:08:51,841 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cfc65b-6124-46f5-a158-1ab8bcfa7406/bin/utaipan-gh47qXpMRh/data/377aa93ca/2d422e8e31fa4fafa2f3b86d254c51c7 [2022-12-14 09:08:51,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:08:51,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:08:51,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:08:51,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:08:51,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:08:51,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:08:51" (1/1) ... [2022-12-14 09:08:51,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9b6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:08:51, skipping insertion in model container [2022-12-14 09:08:51,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:08:51" (1/1) ... [2022-12-14 09:08:51,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:08:51,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:08:52,573 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 09:08:52,583 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 09:08:52,590 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 09:08:52,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a4de71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:08:52, skipping insertion in model container [2022-12-14 09:08:52,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:08:52,591 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 09:08:52,592 INFO L158 Benchmark]: Toolchain (without parser) took 747.19ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 59.0MB in the end (delta: 3.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-12-14 09:08:52,593 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:08:52,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.43ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 59.0MB in the end (delta: 3.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-12-14 09:08:52,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.43ms. Allocated memory is still 88.1MB. Free memory was 62.6MB in the beginning and 59.0MB in the end (delta: 3.5MB). Peak memory consumption was 23.8MB. 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