./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ba48a5ba258c97002ebbac7c4ac0368a62523f .......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ba48a5ba258c97002ebbac7c4ac0368a62523f ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:44,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:44,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:44,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:44,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:44,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:44,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:44,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:44,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:44,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:44,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:44,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:44,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:44,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:44,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:44,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:44,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:44,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:44,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:44,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:44,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:44,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:44,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:44,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:44,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:44,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:44,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:44,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:44,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:44,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:44,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:44,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:44,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:44,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:44,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:44,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:44,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:44,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:44,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:44,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:44,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:44,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2020-11-22 13:06:44,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:44,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:44,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:44,381 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:44,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:44,382 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:44,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:44,382 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:44,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:44,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:44,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:44,383 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:44,384 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:44,384 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:44,384 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:44,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:06:44,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:06:44,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:44,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:44,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:06:44,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:44,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:44,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:44,387 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:06:44,387 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:06:44,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:44,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:44,388 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:44,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:44,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:44,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:44,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:44,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:44,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:44,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:44,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:44,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:44,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:44,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:44,391 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-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2020-11-22 13:06:44,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:44,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:44,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:44,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:44,708 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:44,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-22 13:06:44,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/37af7dcd5/a575a02bb42c45409e10638c3da91cae/FLAG6a25733d8 [2020-11-22 13:06:45,317 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:45,318 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-22 13:06:45,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/37af7dcd5/a575a02bb42c45409e10638c3da91cae/FLAG6a25733d8 [2020-11-22 13:06:45,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/37af7dcd5/a575a02bb42c45409e10638c3da91cae [2020-11-22 13:06:45,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:45,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:45,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:45,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:45,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:45,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:45" (1/1) ... [2020-11-22 13:06:45,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32543a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:45, skipping insertion in model container [2020-11-22 13:06:45,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:45" (1/1) ... [2020-11-22 13:06:45,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:45,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:45,988 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-11-22 13:06:45,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@476c4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:45, skipping insertion in model container [2020-11-22 13:06:45,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:45,990 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:45,993 INFO L168 Benchmark]: Toolchain (without parser) took 365.17 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 100.4 MB in the beginning and 127.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:45,995 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 125.8 MB. Free memory is still 83.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:45,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.96 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 99.9 MB in the beginning and 127.2 MB in the end (delta: -27.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:45,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 125.8 MB. Free memory is still 83.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.96 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 99.9 MB in the beginning and 127.2 MB in the end (delta: -27.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:48,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:48,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:48,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:48,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:48,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:48,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:48,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:48,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:48,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:48,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:48,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:48,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:48,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:48,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:48,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:48,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:48,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:48,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:48,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:48,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:48,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:48,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:48,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:48,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:48,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:48,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:48,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:48,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:48,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:48,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:48,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:48,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:48,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:48,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:48,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:48,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:48,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:48,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:48,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:48,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:48,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2020-11-22 13:06:48,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:48,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:48,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:48,288 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:48,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:48,289 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:48,289 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:48,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:48,290 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:48,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:06:48,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:06:48,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:48,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:48,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:06:48,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:48,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:48,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:48,293 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:06:48,293 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:06:48,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:48,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:48,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:48,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:48,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:48,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:48,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:48,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:48,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:48,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:48,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:48,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:48,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:48,297 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:48,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:48,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:48,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:48,297 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-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2020-11-22 13:06:48,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:48,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:48,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:48,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:48,662 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:48,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-22 13:06:48,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/a8ff7f727/af26410fa74b4dbca30e30aa0b238035/FLAG4069384e6 [2020-11-22 13:06:49,230 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:49,231 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-22 13:06:49,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/a8ff7f727/af26410fa74b4dbca30e30aa0b238035/FLAG4069384e6 [2020-11-22 13:06:49,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be0ccf39-b4e0-4272-94cb-2d20af65f9eb/bin/utaipan/data/a8ff7f727/af26410fa74b4dbca30e30aa0b238035 [2020-11-22 13:06:49,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:49,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:49,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:49,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:49,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:49,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:49" (1/1) ... [2020-11-22 13:06:49,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679d0461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:49, skipping insertion in model container [2020-11-22 13:06:49,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:49" (1/1) ... [2020-11-22 13:06:49,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:49,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:49,906 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-11-22 13:06:49,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@604df66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:49, skipping insertion in model container [2020-11-22 13:06:49,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:49,910 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:49,913 INFO L168 Benchmark]: Toolchain (without parser) took 331.40 ms. Allocated memory is still 79.7 MB. Free memory was 55.1 MB in the beginning and 62.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,914 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:49,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.23 ms. Allocated memory is still 79.7 MB. Free memory was 55.0 MB in the beginning and 62.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:49,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.23 ms. Allocated memory is still 79.7 MB. Free memory was 55.0 MB in the beginning and 62.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...