./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.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_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/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 6fabcbaf7e725d3ccf5a3f3df0779aa3d50f96ba .......................................................................................................................................... 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_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/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 6fabcbaf7e725d3ccf5a3f3df0779aa3d50f96ba ....................................................................................................................................... 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 12:58:09,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:09,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:09,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:09,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:09,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:09,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:09,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:09,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:09,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:09,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:09,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:09,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:09,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:09,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:09,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:09,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:09,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:09,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:09,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:09,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:09,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:09,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:09,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:09,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:09,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:09,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:09,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:09,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:09,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:09,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:09,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:09,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:09,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:09,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:09,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:09,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:09,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:09,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:09,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:09,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:09,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2020-11-22 12:58:09,413 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:09,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:09,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:09,415 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:09,415 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:09,415 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:09,416 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:09,416 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:09,416 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:09,416 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:09,417 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:09,417 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:09,418 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:09,418 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:09,418 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:09,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:58:09,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:58:09,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:09,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:09,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:58:09,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:09,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:09,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:09,421 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:58:09,421 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:58:09,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:09,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:09,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:09,423 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:09,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:09,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:09,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:09,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:09,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:09,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:09,425 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:09,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:09,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:09,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:09,425 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_284ba57b-07d6-44f4-9249-18da1882f40e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fabcbaf7e725d3ccf5a3f3df0779aa3d50f96ba [2020-11-22 12:58:09,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:09,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:09,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:09,747 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:09,755 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:09,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit.i [2020-11-22 12:58:09,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/9936d1b45/749bb65d5e084613ae641b92b326d9b9/FLAGd53a83e00 [2020-11-22 12:58:10,337 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:10,338 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/sv-benchmarks/c/memsafety/global-atexit.i [2020-11-22 12:58:10,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/9936d1b45/749bb65d5e084613ae641b92b326d9b9/FLAGd53a83e00 [2020-11-22 12:58:10,651 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/9936d1b45/749bb65d5e084613ae641b92b326d9b9 [2020-11-22 12:58:10,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:10,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:10,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:10,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:10,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:10,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:10" (1/1) ... [2020-11-22 12:58:10,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12035741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:10, skipping insertion in model container [2020-11-22 12:58:10,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:10" (1/1) ... [2020-11-22 12:58:10,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:10,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:10,983 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-22 12:58:10,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dbc72de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:10, skipping insertion in model container [2020-11-22 12:58:10,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:10,984 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:10,986 INFO L168 Benchmark]: Toolchain (without parser) took 330.52 ms. Allocated memory is still 92.3 MB. Free memory was 54.2 MB in the beginning and 68.3 MB in the end (delta: -14.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:10,987 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 71.9 MB in the beginning and 71.8 MB in the end (delta: 50.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:10,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.92 ms. Allocated memory is still 92.3 MB. Free memory was 54.0 MB in the beginning and 68.3 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:10,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 71.9 MB in the beginning and 71.8 MB in the end (delta: 50.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.92 ms. Allocated memory is still 92.3 MB. Free memory was 54.0 MB in the beginning and 68.3 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit 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 12:58:13,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:13,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:13,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:13,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:13,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:13,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:13,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:13,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:13,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:13,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:13,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:13,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:13,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:13,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:13,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:13,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:13,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:13,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:13,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:13,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:13,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:13,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:13,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:13,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:13,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:13,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:13,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:13,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:13,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:13,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:13,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:13,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:13,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:13,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:13,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:13,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:13,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:13,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:13,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:13,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:13,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2020-11-22 12:58:13,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:13,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:13,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:13,310 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:13,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:13,310 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:13,311 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:13,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:13,311 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:13,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:58:13,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:58:13,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:13,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:13,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:58:13,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:13,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:13,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:13,315 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:58:13,315 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:58:13,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:13,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:13,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:58:13,316 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:58:13,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:13,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:13,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:13,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:58:13,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:13,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:13,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:13,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:13,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:13,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:58:13,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:58:13,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:13,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:13,344 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_284ba57b-07d6-44f4-9249-18da1882f40e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fabcbaf7e725d3ccf5a3f3df0779aa3d50f96ba [2020-11-22 12:58:13,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:13,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:13,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:13,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:13,756 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:13,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit.i [2020-11-22 12:58:13,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/bc4556163/594896f8405049d08ad544d4cb952c24/FLAG7b01f24f9 [2020-11-22 12:58:14,410 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:14,411 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/sv-benchmarks/c/memsafety/global-atexit.i [2020-11-22 12:58:14,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/bc4556163/594896f8405049d08ad544d4cb952c24/FLAG7b01f24f9 [2020-11-22 12:58:14,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_284ba57b-07d6-44f4-9249-18da1882f40e/bin/utaipan/data/bc4556163/594896f8405049d08ad544d4cb952c24 [2020-11-22 12:58:14,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:14,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:14,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:14,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:14,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:14,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:14" (1/1) ... [2020-11-22 12:58:14,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:14, skipping insertion in model container [2020-11-22 12:58:14,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:14" (1/1) ... [2020-11-22 12:58:14,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:14,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:15,157 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-22 12:58:15,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35dc98bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:15, skipping insertion in model container [2020-11-22 12:58:15,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:15,160 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:15,164 INFO L168 Benchmark]: Toolchain (without parser) took 444.40 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 69.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:15,165 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 68.7 MB in the beginning and 68.6 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:15,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.40 ms. Allocated memory is still 86.0 MB. Free memory was 50.8 MB in the beginning and 69.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:15,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory was 68.7 MB in the beginning and 68.6 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.40 ms. Allocated memory is still 86.0 MB. Free memory was 50.8 MB in the beginning and 69.7 MB in the end (delta: -18.9 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...