./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/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_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/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_cd130682-41c9-4eef-8756-de6ad71520ca/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_cd130682-41c9-4eef-8756-de6ad71520ca/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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:35:09,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:35:09,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:35:09,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:35:09,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:35:09,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:35:09,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:35:09,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:35:09,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:35:09,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:35:09,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:35:09,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:35:09,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:35:09,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:35:09,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:35:09,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:35:09,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:35:09,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:35:09,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:35:09,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:35:09,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:35:09,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:35:09,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:35:09,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:35:09,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:35:09,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:35:09,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:35:09,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:35:09,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:35:09,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:35:09,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:35:09,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:35:09,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:35:09,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:35:09,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:35:09,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:35:09,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:35:09,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:35:09,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:35:09,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:35:09,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:35:09,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-21 01:35:09,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:35:09,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:35:09,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:35:09,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:35:09,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:35:09,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:35:09,374 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:35:09,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:35:09,375 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:35:09,375 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:35:09,376 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:35:09,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:35:09,377 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:35:09,377 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:35:09,377 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:35:09,377 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:35:09,378 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:35:09,378 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:35:09,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:35:09,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:35:09,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:35:09,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:35:09,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:35:09,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:35:09,381 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:35:09,381 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:35:09,382 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:35:09,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:35:09,382 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:35:09,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:35:09,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:35:09,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:35:09,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:35:09,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:35:09,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:35:09,384 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:35:09,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:35:09,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:35:09,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:35:09,385 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_cd130682-41c9-4eef-8756-de6ad71520ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-21 01:35:09,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:35:09,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:35:09,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:35:09,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:35:09,645 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:35:09,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-21 01:35:09,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/104e56564/83f6ff09dd214f5aa636d903731cc96c/FLAGc2649ad0b [2021-11-21 01:35:10,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:35:10,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-21 01:35:10,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/104e56564/83f6ff09dd214f5aa636d903731cc96c/FLAGc2649ad0b [2021-11-21 01:35:10,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/104e56564/83f6ff09dd214f5aa636d903731cc96c [2021-11-21 01:35:10,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:35:10,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:35:10,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:35:10,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:35:10,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:35:10,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:35:10" (1/1) ... [2021-11-21 01:35:10,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adfb877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:35:10, skipping insertion in model container [2021-11-21 01:35:10,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:35:10" (1/1) ... [2021-11-21 01:35:10,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:35:10,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:35:11,731 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 [2021-11-21 01:35:11,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d187f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:35:11, skipping insertion in model container [2021-11-21 01:35:11,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:35:11,732 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:35:11,734 INFO L158 Benchmark]: Toolchain (without parser) took 1153.51ms. Allocated memory is still 102.8MB. Free memory was 66.7MB in the beginning and 68.3MB in the end (delta: -1.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 01:35:11,735 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:35:11,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1151.21ms. Allocated memory is still 102.8MB. Free memory was 66.5MB in the beginning and 68.3MB in the end (delta: -1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 01:35:11,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1151.21ms. Allocated memory is still 102.8MB. Free memory was 66.5MB in the beginning and 68.3MB in the end (delta: -1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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... --- 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_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/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_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/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_cd130682-41c9-4eef-8756-de6ad71520ca/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_cd130682-41c9-4eef-8756-de6ad71520ca/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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:35:13,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:35:13,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:35:13,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:35:13,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:35:13,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:35:13,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:35:13,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:35:13,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:35:13,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:35:13,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:35:13,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:35:13,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:35:13,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:35:13,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:35:13,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:35:14,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:35:14,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:35:14,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:35:14,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:35:14,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:35:14,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:35:14,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:35:14,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:35:14,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:35:14,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:35:14,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:35:14,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:35:14,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:35:14,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:35:14,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:35:14,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:35:14,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:35:14,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:35:14,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:35:14,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:35:14,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:35:14,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:35:14,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:35:14,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:35:14,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:35:14,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-21 01:35:14,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:35:14,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:35:14,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:35:14,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:35:14,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:35:14,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:35:14,069 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:35:14,069 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:35:14,070 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:35:14,070 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:35:14,071 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:35:14,071 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:35:14,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:35:14,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:35:14,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:35:14,073 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:35:14,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:35:14,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:35:14,073 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:35:14,074 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:35:14,074 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:35:14,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:35:14,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:35:14,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:35:14,074 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:35:14,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:35:14,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:35:14,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:35:14,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:35:14,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:35:14,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:35:14,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:35:14,076 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:35:14,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:35:14,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:35:14,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:35:14,087 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_cd130682-41c9-4eef-8756-de6ad71520ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-21 01:35:14,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:35:14,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:35:14,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:35:14,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:35:14,473 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:35:14,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-21 01:35:14,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/1e0c12660/92bdf3a8cf9c4f0f85cdeabcfc31bcd9/FLAGd2cc9d742 [2021-11-21 01:35:15,197 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:35:15,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-21 01:35:15,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/1e0c12660/92bdf3a8cf9c4f0f85cdeabcfc31bcd9/FLAGd2cc9d742 [2021-11-21 01:35:15,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd130682-41c9-4eef-8756-de6ad71520ca/bin/utaipan-TEXQjIfE4P/data/1e0c12660/92bdf3a8cf9c4f0f85cdeabcfc31bcd9 [2021-11-21 01:35:15,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:35:15,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:35:15,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:35:15,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:35:15,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:35:15,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:35:15" (1/1) ... [2021-11-21 01:35:15,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a29d6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:35:15, skipping insertion in model container [2021-11-21 01:35:15,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:35:15" (1/1) ... [2021-11-21 01:35:15,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:35:15,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:35:16,728 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 [2021-11-21 01:35:16,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7987836b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:35:16, skipping insertion in model container [2021-11-21 01:35:16,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:35:16,730 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:35:16,732 INFO L158 Benchmark]: Toolchain (without parser) took 1333.93ms. Allocated memory is still 86.0MB. Free memory was 46.5MB in the beginning and 46.3MB in the end (delta: 180.5kB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-21 01:35:16,733 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:35:16,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1331.42ms. Allocated memory is still 86.0MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: -33.0kB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-21 01:35:16,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1331.42ms. Allocated memory is still 86.0MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: -33.0kB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN