./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF --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 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:50:01,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:50:01,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:50:02,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:50:02,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:50:02,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:50:02,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:50:02,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:50:02,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:50:02,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:50:02,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:50:02,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:50:02,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:50:02,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:50:02,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:50:02,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:50:02,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:50:02,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:50:02,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:50:02,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:50:02,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:50:02,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:50:02,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:50:02,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:50:02,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:50:02,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:50:02,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:50:02,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:50:02,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:50:02,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:50:02,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:50:02,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:50:02,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:50:02,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:50:02,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:50:02,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:50:02,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:50:02,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:50:02,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:50:02,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:50:02,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:50:02,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 22:50:02,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:50:02,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:50:02,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:50:02,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:50:02,112 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:50:02,113 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:50:02,113 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:50:02,113 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:50:02,113 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:50:02,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:50:02,114 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:50:02,114 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:50:02,114 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:50:02,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:50:02,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:50:02,115 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:50:02,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:50:02,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:50:02,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:50:02,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:50:02,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:50:02,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:50:02,117 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:50:02,117 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:50:02,117 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:50:02,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:50:02,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:50:02,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:50:02,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:50:02,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:50:02,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:50:02,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:50:02,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:50:02,119 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:50:02,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:50:02,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:50:02,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:50:02,119 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_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 [2021-11-12 22:50:02,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:50:02,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:50:02,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:50:02,419 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:50:02,420 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:50:02,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-12 22:50:02,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/c9dd7691f/9426b9affedc429b9add62aa66d1389d/FLAG13c52bcc2 [2021-11-12 22:50:03,251 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:50:03,252 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-12 22:50:03,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/c9dd7691f/9426b9affedc429b9add62aa66d1389d/FLAG13c52bcc2 [2021-11-12 22:50:03,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/c9dd7691f/9426b9affedc429b9add62aa66d1389d [2021-11-12 22:50:03,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:50:03,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:50:03,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:03,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:50:03,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:50:03,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:03" (1/1) ... [2021-11-12 22:50:03,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec0abcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:03, skipping insertion in model container [2021-11-12 22:50:03,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:03" (1/1) ... [2021-11-12 22:50:03,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:50:03,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:50:04,700 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-12 22:50:04,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20039bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:04, skipping insertion in model container [2021-11-12 22:50:04,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:04,702 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:50:04,704 INFO L158 Benchmark]: Toolchain (without parser) took 1367.54ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 43.5MB in the beginning and 86.1MB in the end (delta: -42.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-12 22:50:04,705 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:50:04,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.98ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 43.2MB in the beginning and 86.1MB in the end (delta: -42.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-12 22:50:04,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.98ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 43.2MB in the beginning and 86.1MB in the end (delta: -42.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF --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 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:50:06,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:50:06,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:50:06,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:50:06,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:50:06,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:50:06,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:50:06,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:50:06,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:50:06,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:50:06,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:50:06,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:50:06,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:50:07,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:50:07,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:50:07,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:50:07,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:50:07,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:50:07,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:50:07,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:50:07,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:50:07,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:50:07,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:50:07,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:50:07,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:50:07,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:50:07,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:50:07,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:50:07,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:50:07,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:50:07,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:50:07,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:50:07,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:50:07,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:50:07,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:50:07,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:50:07,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:50:07,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:50:07,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:50:07,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:50:07,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:50:07,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 22:50:07,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:50:07,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:50:07,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:50:07,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:50:07,115 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:50:07,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:50:07,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:50:07,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:50:07,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:50:07,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:50:07,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:50:07,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:50:07,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:50:07,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:50:07,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:50:07,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:50:07,119 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:50:07,119 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:50:07,119 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:50:07,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:50:07,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:50:07,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:50:07,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:50:07,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:50:07,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:50:07,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:50:07,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:50:07,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:50:07,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:50:07,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:50:07,122 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:50:07,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:50:07,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:50:07,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:50:07,123 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_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d919a8eed5bff5d7b13e529bcc3b017ee1b2504c38f6ffe9202719064bad4a0 [2021-11-12 22:50:07,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:50:07,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:50:07,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:50:07,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:50:07,554 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:50:07,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-12 22:50:07,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/77dd80422/f37df6333074439a82c41399b94d35eb/FLAGc1238dd15 [2021-11-12 22:50:08,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:50:08,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2021-11-12 22:50:08,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/77dd80422/f37df6333074439a82c41399b94d35eb/FLAGc1238dd15 [2021-11-12 22:50:08,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57d96b03-fa50-431e-a1c4-cbca272bd1b4/bin/utaipan-vmNK8stdcF/data/77dd80422/f37df6333074439a82c41399b94d35eb [2021-11-12 22:50:08,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:50:08,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:50:08,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:08,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:50:08,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:50:08,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:08" (1/1) ... [2021-11-12 22:50:08,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c79858b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:08, skipping insertion in model container [2021-11-12 22:50:08,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:50:08" (1/1) ... [2021-11-12 22:50:08,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:50:08,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:50:10,052 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-12 22:50:10,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2606ab94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:50:10, skipping insertion in model container [2021-11-12 22:50:10,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:50:10,053 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:50:10,055 INFO L158 Benchmark]: Toolchain (without parser) took 1481.97ms. Allocated memory is still 79.7MB. Free memory was 60.3MB in the beginning and 47.1MB in the end (delta: 13.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-12 22:50:10,055 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:50:10,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.52ms. Allocated memory is still 79.7MB. Free memory was 60.1MB in the beginning and 47.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-12 22:50:10,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.52ms. Allocated memory is still 79.7MB. Free memory was 60.1MB in the beginning and 47.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN