./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/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_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/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_8210d490-c805-4353-9301-b76cb4dec724/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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:12:54,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:12:54,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:12:54,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:12:54,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:12:54,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:12:54,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:12:54,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:12:54,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:12:54,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:12:54,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:12:54,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:12:54,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:12:54,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:12:54,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:12:54,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:12:54,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:12:54,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:12:54,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:12:54,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:12:54,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:12:54,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:12:54,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:12:54,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:12:54,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:12:54,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:12:54,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:12:54,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:12:54,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:12:54,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:12:54,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:12:54,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:12:54,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:12:54,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:12:54,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:12:54,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:12:54,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:12:54,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:12:54,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:12:54,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:12:54,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:12:54,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-20 23:12:54,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:12:54,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:12:54,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:12:54,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:12:54,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:12:54,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:12:54,399 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:12:54,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:12:54,399 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:12:54,400 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:12:54,401 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:12:54,402 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:12:54,402 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:12:54,402 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:12:54,402 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:12:54,403 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:12:54,403 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:12:54,403 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:12:54,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:12:54,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:12:54,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:12:54,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:12:54,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:12:54,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:12:54,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:12:54,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:12:54,417 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:12:54,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:12:54,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:12:54,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:12:54,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:12:54,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:12:54,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:12:54,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:12:54,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:12:54,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:12:54,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:12:54,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:12:54,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:12:54,422 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_8210d490-c805-4353-9301-b76cb4dec724/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-20 23:12:54,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:12:54,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:12:54,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:12:54,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:12:54,752 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:12:54,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-20 23:12:54,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/5bd8d0baf/c7a6b3e9dc91422da20d04f7849817fa/FLAGa803d5485 [2021-11-20 23:12:55,693 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:12:55,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-20 23:12:55,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/5bd8d0baf/c7a6b3e9dc91422da20d04f7849817fa/FLAGa803d5485 [2021-11-20 23:12:56,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/5bd8d0baf/c7a6b3e9dc91422da20d04f7849817fa [2021-11-20 23:12:56,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:12:56,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:12:56,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:56,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:12:56,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:12:56,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f14f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:56, skipping insertion in model container [2021-11-20 23:12:56,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:12:56" (1/1) ... [2021-11-20 23:12:56,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:12:56,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:12:57,877 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-20 23:12:57,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@99e1077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:12:57, skipping insertion in model container [2021-11-20 23:12:57,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:12:57,879 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:12:57,882 INFO L158 Benchmark]: Toolchain (without parser) took 1639.43ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 71.5MB in the beginning and 93.6MB in the end (delta: -22.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:12:57,883 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:12:57,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1626.08ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 71.3MB in the beginning and 93.6MB in the end (delta: -22.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:12:57,887 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 104.9MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1626.08ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 71.3MB in the beginning and 93.6MB in the end (delta: -22.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/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_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/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_8210d490-c805-4353-9301-b76cb4dec724/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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:13:00,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:13:00,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:13:00,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:13:00,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:13:00,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:13:00,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:13:00,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:13:00,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:13:00,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:13:00,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:13:00,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:13:00,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:13:00,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:13:00,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:13:00,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:13:00,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:13:00,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:13:00,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:13:00,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:13:00,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:13:00,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:13:00,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:13:00,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:13:00,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:13:00,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:13:00,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:13:00,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:13:00,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:13:00,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:13:00,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:13:00,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:13:00,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:13:00,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:13:00,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:13:00,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:13:00,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:13:00,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:13:00,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:13:00,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:13:00,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:13:00,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-20 23:13:00,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:13:00,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:13:00,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:13:00,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:13:00,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:13:00,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:13:00,618 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:13:00,618 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:13:00,619 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:13:00,619 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:13:00,619 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:13:00,619 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:13:00,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:13:00,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:13:00,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:13:00,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:13:00,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:13:00,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:13:00,627 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:13:00,627 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:13:00,628 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:13:00,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:13:00,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:13:00,629 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:13:00,629 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:13:00,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:13:00,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:13:00,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:13:00,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:13:00,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:00,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:13:00,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:13:00,633 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:13:00,633 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:13:00,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:13:00,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:13:00,635 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_8210d490-c805-4353-9301-b76cb4dec724/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-20 23:13:01,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:13:01,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:13:01,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:13:01,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:13:01,173 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:13:01,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-20 23:13:01,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/7ef15be1c/914ec9da85d444aa8d2f643dac03582f/FLAG814f19688 [2021-11-20 23:13:02,331 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:13:02,332 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-20 23:13:02,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/7ef15be1c/914ec9da85d444aa8d2f643dac03582f/FLAG814f19688 [2021-11-20 23:13:02,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8210d490-c805-4353-9301-b76cb4dec724/bin/utaipan-TEXQjIfE4P/data/7ef15be1c/914ec9da85d444aa8d2f643dac03582f [2021-11-20 23:13:02,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:13:02,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:13:02,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:02,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:13:02,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:13:02,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:02" (1/1) ... [2021-11-20 23:13:02,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6218db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:02, skipping insertion in model container [2021-11-20 23:13:02,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:02" (1/1) ... [2021-11-20 23:13:02,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:13:02,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:13:04,473 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-20 23:13:04,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b3e760e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:04, skipping insertion in model container [2021-11-20 23:13:04,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:04,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:13:04,480 INFO L158 Benchmark]: Toolchain (without parser) took 1685.62ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 39.4MB in the beginning and 61.4MB in the end (delta: -22.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-20 23:13:04,482 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:13:04,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1681.88ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 39.2MB in the beginning and 61.4MB in the end (delta: -22.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-20 23:13:04,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1681.88ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 39.2MB in the beginning and 61.4MB in the end (delta: -22.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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