./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8 --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 606480d129d868b852bab618a318de1507e1593a ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8 --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 606480d129d868b852bab618a318de1507e1593a ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:31:05,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:31:05,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:31:05,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:31:05,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:31:05,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:31:05,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:31:05,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:31:05,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:31:05,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:31:05,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:31:05,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:31:05,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:31:05,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:31:05,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:31:05,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:31:05,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:31:05,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:31:05,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:31:05,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:31:05,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:31:05,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:31:05,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:31:05,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:31:05,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:31:05,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:31:05,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:31:05,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:31:05,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:31:05,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:31:05,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:31:05,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:31:05,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:31:05,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:31:05,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:31:05,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:31:05,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:31:05,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:31:05,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:31:05,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:31:05,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:31:05,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:31:05,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:31:05,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:31:05,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:31:05,973 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:31:05,973 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:31:05,974 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:31:05,974 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:31:05,974 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:31:05,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:31:05,975 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:31:05,975 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:31:05,975 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:31:05,976 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:31:05,976 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:31:05,976 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:31:05,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:31:05,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:31:05,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:31:05,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:31:05,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:31:05,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:31:05,979 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:31:05,979 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:31:05,979 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:31:05,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:31:05,980 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:31:05,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:31:05,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:31:05,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:31:05,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:31:05,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:31:05,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:31:05,982 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:31:05,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:31:05,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:31:05,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:31:05,983 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_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606480d129d868b852bab618a318de1507e1593a [2021-10-13 07:31:06,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:31:06,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:31:06,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:31:06,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:31:06,296 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:31:06,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-13 07:31:06,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/92412c358/49ab1c340537491fb966d2306ad9a916/FLAG48ec0681f [2021-10-13 07:31:07,174 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:31:07,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-13 07:31:07,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/92412c358/49ab1c340537491fb966d2306ad9a916/FLAG48ec0681f [2021-10-13 07:31:07,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/92412c358/49ab1c340537491fb966d2306ad9a916 [2021-10-13 07:31:07,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:31:07,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:31:07,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:07,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:31:07,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:31:07,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:07" (1/1) ... [2021-10-13 07:31:07,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7e3556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:07, skipping insertion in model container [2021-10-13 07:31:07,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:07" (1/1) ... [2021-10-13 07:31:07,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:31:07,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:31:08,752 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-13 07:31:08,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@668f7550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:08, skipping insertion in model container [2021-10-13 07:31:08,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:08,753 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:31:08,756 INFO L168 Benchmark]: Toolchain (without parser) took 1471.00 ms. Allocated memory is still 100.7 MB. Free memory was 66.7 MB in the beginning and 65.7 MB in the end (delta: 950.2 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:08,757 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 100.7 MB. Free memory is still 54.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:31:08,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1464.76 ms. Allocated memory is still 100.7 MB. Free memory was 66.7 MB in the beginning and 65.7 MB in the end (delta: 950.2 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:08,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 100.7 MB. Free memory is still 54.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1464.76 ms. Allocated memory is still 100.7 MB. Free memory was 66.7 MB in the beginning and 65.7 MB in the end (delta: 950.2 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:31:11,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:31:11,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:31:11,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:31:11,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:31:11,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:31:11,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:31:11,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:31:11,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:31:11,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:31:11,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:31:11,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:31:11,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:31:11,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:31:11,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:31:11,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:31:11,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:31:11,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:31:11,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:31:11,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:31:11,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:31:11,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:31:11,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:31:11,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:31:11,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:31:11,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:31:11,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:31:11,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:31:11,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:31:11,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:31:11,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:31:11,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:31:11,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:31:11,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:31:11,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:31:11,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:31:11,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:31:11,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:31:11,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:31:11,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:31:11,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:31:11,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:31:11,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:31:11,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:31:11,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:31:11,550 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:31:11,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:31:11,550 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:31:11,551 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:31:11,551 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:31:11,551 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:31:11,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:31:11,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:31:11,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:31:11,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:31:11,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:31:11,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:31:11,555 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:31:11,556 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:31:11,556 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:31:11,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:31:11,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:31:11,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:31:11,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:31:11,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:31:11,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:31:11,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:31:11,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:31:11,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:31:11,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:31:11,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:31:11,559 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:31:11,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:31:11,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:31:11,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:31:11,560 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_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 606480d129d868b852bab618a318de1507e1593a [2021-10-13 07:31:12,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:31:12,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:31:12,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:31:12,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:31:12,091 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:31:12,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-13 07:31:12,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/d7df570d8/fab181f506d6427c910d751976a42479/FLAGe19c490ea [2021-10-13 07:31:13,075 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:31:13,079 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-10-13 07:31:13,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/d7df570d8/fab181f506d6427c910d751976a42479/FLAGe19c490ea [2021-10-13 07:31:13,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95634afc-2841-437e-b8bd-1d5d59f34a3a/bin/utaipan-q2qaUkNPG8/data/d7df570d8/fab181f506d6427c910d751976a42479 [2021-10-13 07:31:13,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:31:13,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:31:13,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:13,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:31:13,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:31:13,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:13" (1/1) ... [2021-10-13 07:31:13,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f858f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:13, skipping insertion in model container [2021-10-13 07:31:13,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:13" (1/1) ... [2021-10-13 07:31:13,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:31:13,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:31:15,175 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-13 07:31:15,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72af5052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:15, skipping insertion in model container [2021-10-13 07:31:15,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:15,178 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:31:15,182 INFO L168 Benchmark]: Toolchain (without parser) took 1524.17 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 30.0 MB in the beginning and 43.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:15,184 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:31:15,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1521.31 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 43.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:15,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1521.31 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 43.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...