./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/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_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:50:42,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:50:42,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:50:42,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:50:42,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:50:42,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:50:42,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:50:42,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:50:42,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:50:42,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:50:42,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:50:42,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:50:42,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:50:42,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:50:42,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:50:42,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:50:42,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:50:42,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:50:42,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:50:42,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:50:42,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:50:42,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:50:42,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:50:42,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:50:43,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:50:43,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:50:43,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:50:43,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:50:43,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:50:43,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:50:43,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:50:43,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:50:43,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:50:43,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:50:43,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:50:43,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:50:43,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:50:43,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:50:43,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:50:43,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:50:43,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:50:43,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-20 22:50:43,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:50:43,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:50:43,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:50:43,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:50:43,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:50:43,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:50:43,047 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:50:43,047 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:50:43,048 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:50:43,048 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:50:43,048 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:50:43,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:50:43,049 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:50:43,049 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:50:43,049 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:50:43,050 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:50:43,050 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:50:43,050 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:50:43,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 22:50:43,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 22:50:43,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:50:43,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 22:50:43,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:50:43,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:50:43,053 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 22:50:43,053 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 22:50:43,054 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 22:50:43,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:50:43,054 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 22:50:43,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:50:43,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:50:43,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:50:43,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:50:43,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:50:43,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:50:43,056 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:50:43,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:50:43,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:50:43,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:50:43,057 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-20 22:50:43,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:50:43,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:50:43,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:50:43,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:50:43,348 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:50:43,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 22:50:43,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/6f8e0b480/ca5e6941b12940c9ad366a302a80a5ab/FLAG499dc690c [2021-11-20 22:50:44,022 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:50:44,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 22:50:44,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/6f8e0b480/ca5e6941b12940c9ad366a302a80a5ab/FLAG499dc690c [2021-11-20 22:50:44,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/6f8e0b480/ca5e6941b12940c9ad366a302a80a5ab [2021-11-20 22:50:44,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:50:44,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:50:44,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:50:44,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:50:44,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:50:44,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:44" (1/1) ... [2021-11-20 22:50:44,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e11b36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:44, skipping insertion in model container [2021-11-20 22:50:44,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:44" (1/1) ... [2021-11-20 22:50:44,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:50:44,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:50:45,427 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-20 22:50:45,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15dead56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:45, skipping insertion in model container [2021-11-20 22:50:45,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:50:45,428 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 22:50:45,430 INFO L158 Benchmark]: Toolchain (without parser) took 1198.70ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.7MB in the beginning and 84.2MB in the end (delta: -30.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-20 22:50:45,431 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:50:45,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1194.33ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 84.2MB in the end (delta: -30.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-20 22:50:45,434 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 94.4MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1194.33ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 84.2MB in the end (delta: -30.8MB). Peak memory consumption was 13.3MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/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_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:50:47,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:50:47,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:50:47,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:50:47,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:50:47,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:50:47,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:50:47,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:50:47,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:50:47,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:50:47,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:50:47,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:50:47,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:50:47,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:50:47,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:50:47,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:50:47,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:50:47,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:50:47,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:50:47,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:50:47,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:50:47,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:50:47,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:50:47,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:50:47,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:50:47,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:50:47,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:50:47,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:50:47,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:50:47,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:50:47,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:50:47,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:50:47,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:50:47,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:50:47,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:50:47,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:50:47,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:50:47,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:50:47,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:50:47,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:50:47,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:50:47,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-20 22:50:47,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:50:47,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:50:47,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:50:47,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:50:47,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:50:47,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:50:47,883 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:50:47,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:50:47,884 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:50:47,884 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:50:47,885 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:50:47,886 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:50:47,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 22:50:47,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 22:50:47,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:50:47,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 22:50:47,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:50:47,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:50:47,889 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 22:50:47,889 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 22:50:47,889 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 22:50:47,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:50:47,889 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 22:50:47,889 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 22:50:47,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 22:50:47,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:50:47,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:50:47,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 22:50:47,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:50:47,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:50:47,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:50:47,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:50:47,892 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 22:50:47,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 22:50:47,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:50:47,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:50:47,893 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_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-11-20 22:50:48,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:50:48,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:50:48,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:50:48,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:50:48,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:50:48,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 22:50:48,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/e9b15df6e/84152eefeeab45d3947f1195a706052c/FLAG3033e5b50 [2021-11-20 22:50:49,184 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:50:49,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-11-20 22:50:49,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/e9b15df6e/84152eefeeab45d3947f1195a706052c/FLAG3033e5b50 [2021-11-20 22:50:49,282 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5a34e3-bbc9-4b56-8d0d-b95505726bae/bin/utaipan-TEXQjIfE4P/data/e9b15df6e/84152eefeeab45d3947f1195a706052c [2021-11-20 22:50:49,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:50:49,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:50:49,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:50:49,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:50:49,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:50:49,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:49" (1/1) ... [2021-11-20 22:50:49,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780a2af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:49, skipping insertion in model container [2021-11-20 22:50:49,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:49" (1/1) ... [2021-11-20 22:50:49,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:50:49,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:50:50,489 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-11-20 22:50:50,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7696d4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:50, skipping insertion in model container [2021-11-20 22:50:50,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:50:50,490 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 22:50:50,497 INFO L158 Benchmark]: Toolchain (without parser) took 1205.17ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 24.4MB in the beginning and 46.3MB in the end (delta: -21.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-20 22:50:50,499 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 22:50:50,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.00ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 24.3MB in the beginning and 46.5MB in the end (delta: -22.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-20 22:50:50,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.00ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 24.3MB in the beginning and 46.5MB in the end (delta: -22.2MB). Peak memory consumption was 4.8MB. 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