./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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 e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:19:24,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:19:24,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:19:24,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:19:24,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:19:24,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:19:24,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:19:24,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:19:24,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:19:24,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:19:24,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:19:24,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:19:24,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:19:24,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:19:24,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:19:24,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:19:24,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:19:24,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:19:24,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:19:24,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:19:24,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:19:24,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:19:24,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:19:24,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:19:24,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:19:24,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:19:24,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:19:24,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:19:24,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:19:24,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:19:24,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:19:24,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:19:24,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:19:24,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:19:24,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:19:24,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:19:24,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:19:24,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:19:24,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:19:24,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:19:24,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:19:24,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-21 00:19:24,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:19:24,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:19:24,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:19:24,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:19:24,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:19:24,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:19:24,259 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:19:24,260 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:19:24,260 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:19:24,260 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:19:24,260 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:19:24,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:19:24,261 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:19:24,261 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:19:24,262 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:19:24,262 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:19:24,262 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:19:24,263 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:19:24,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 00:19:24,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 00:19:24,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:19:24,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:19:24,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:19:24,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:19:24,265 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 00:19:24,265 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 00:19:24,266 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 00:19:24,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:19:24,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 00:19:24,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:19:24,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:19:24,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:19:24,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:19:24,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:19:24,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:19:24,268 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:19:24,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:19:24,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:19:24,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:19:24,269 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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 [2021-11-21 00:19:24,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:19:24,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:19:24,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:19:24,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:19:24,555 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:19:24,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-21 00:19:24,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/b904d1f62/b950985b1d544c92a36f3678f6d3c39f/FLAG702f1150f [2021-11-21 00:19:25,423 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:19:25,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-21 00:19:25,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/b904d1f62/b950985b1d544c92a36f3678f6d3c39f/FLAG702f1150f [2021-11-21 00:19:25,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/b904d1f62/b950985b1d544c92a36f3678f6d3c39f [2021-11-21 00:19:25,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:19:25,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:19:25,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:25,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:19:25,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:19:25,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:25" (1/1) ... [2021-11-21 00:19:25,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@caffc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:25, skipping insertion in model container [2021-11-21 00:19:25,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:25" (1/1) ... [2021-11-21 00:19:25,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:19:26,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:19:27,370 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 [2021-11-21 00:19:27,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a981915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:27, skipping insertion in model container [2021-11-21 00:19:27,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:27,372 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 00:19:27,374 INFO L158 Benchmark]: Toolchain (without parser) took 1402.20ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 55.3MB in the end (delta: 18.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-21 00:19:27,375 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:19:27,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1399.43ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 55.4MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-21 00:19:27,378 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 98.6MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1399.43ms. Allocated memory is still 98.6MB. Free memory was 73.4MB in the beginning and 55.4MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: 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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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 e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:19:29,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:19:29,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:19:29,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:19:29,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:19:29,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:19:29,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:19:29,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:19:29,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:19:29,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:19:29,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:19:29,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:19:29,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:19:29,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:19:29,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:19:29,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:19:29,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:19:29,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:19:29,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:19:29,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:19:29,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:19:29,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:19:29,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:19:29,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:19:29,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:19:29,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:19:29,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:19:29,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:19:29,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:19:29,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:19:29,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:19:29,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:19:29,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:19:29,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:19:29,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:19:29,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:19:29,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:19:29,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:19:29,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:19:29,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:19:29,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:19:29,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-21 00:19:29,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:19:29,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:19:29,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:19:29,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:19:29,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:19:29,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:19:29,865 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:19:29,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:19:29,865 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:19:29,865 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:19:29,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:19:29,867 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:19:29,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 00:19:29,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 00:19:29,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:19:29,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:19:29,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:19:29,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:19:29,870 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 00:19:29,870 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 00:19:29,870 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 00:19:29,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:19:29,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 00:19:29,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 00:19:29,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 00:19:29,871 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:19:29,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:19:29,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 00:19:29,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:19:29,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:19:29,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:19:29,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:19:29,874 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 00:19:29,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 00:19:29,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:19:29,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:19:29,875 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_5e97b0ee-994b-4d61-85ea-e55387a8ea72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 [2021-11-21 00:19:30,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:19:30,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:19:30,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:19:30,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:19:30,284 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:19:30,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-21 00:19:30,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/e9a22e1b4/a70be06a007444d4b2d79a4bfc5a3b58/FLAG4d56d223b [2021-11-21 00:19:31,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:19:31,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-21 00:19:31,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/e9a22e1b4/a70be06a007444d4b2d79a4bfc5a3b58/FLAG4d56d223b [2021-11-21 00:19:31,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e97b0ee-994b-4d61-85ea-e55387a8ea72/bin/utaipan-TEXQjIfE4P/data/e9a22e1b4/a70be06a007444d4b2d79a4bfc5a3b58 [2021-11-21 00:19:31,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:19:31,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:19:31,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:31,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:19:31,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:19:31,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:31" (1/1) ... [2021-11-21 00:19:31,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f41f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:31, skipping insertion in model container [2021-11-21 00:19:31,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:31" (1/1) ... [2021-11-21 00:19:31,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:19:31,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:19:33,416 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 [2021-11-21 00:19:33,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f627668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:33, skipping insertion in model container [2021-11-21 00:19:33,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:33,419 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 00:19:33,422 INFO L158 Benchmark]: Toolchain (without parser) took 1568.40ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 47.1MB in the end (delta: -5.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-21 00:19:33,423 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:19:33,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1565.02ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 47.1MB in the end (delta: -5.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-21 00:19:33,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1565.02ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 47.1MB in the end (delta: -5.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: 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