./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan --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 32bit --witnessprinter.graph.data.programhash d1b1b34008a1f107ed3f99334cc6076559cadae6 ............................................................................................................................................. 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_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan --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 32bit --witnessprinter.graph.data.programhash d1b1b34008a1f107ed3f99334cc6076559cadae6 .......................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:34:26,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:34:26,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:34:27,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:34:27,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:34:27,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:34:27,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:34:27,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:34:27,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:34:27,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:34:27,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:34:27,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:34:27,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:34:27,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:34:27,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:34:27,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:34:27,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:34:27,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:34:27,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:34:27,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:34:27,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:34:27,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:34:27,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:34:27,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:34:27,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:34:27,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:34:27,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:34:27,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:34:27,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:34:27,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:34:27,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:34:27,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:34:27,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:34:27,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:34:27,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:34:27,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:34:27,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:34:27,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:34:27,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:34:27,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:34:27,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:34:27,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-11-28 07:34:27,173 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:34:27,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:34:27,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:34:27,174 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:34:27,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:34:27,175 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:34:27,175 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:34:27,175 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:34:27,176 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:34:27,176 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:34:27,177 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:34:27,177 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:34:27,178 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:34:27,178 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:34:27,178 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:34:27,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:34:27,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:34:27,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:34:27,180 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:34:27,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:34:27,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:34:27,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:34:27,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:34:27,181 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:34:27,181 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:34:27,181 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:34:27,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:34:27,184 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:34:27,184 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:34:27,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:34:27,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:34:27,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:34:27,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:34:27,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:34:27,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:34:27,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:34:27,186 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:34:27,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:34:27,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:34:27,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:34:27,190 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_1d56d9e2-4e42-4782-b16e-d919898784c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-11-28 07:34:27,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:34:27,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:34:27,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:34:27,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:34:27,453 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:34:27,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 07:34:27,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/5c124f86b/e9e5d1a62de345d7807a207a98e7892a/FLAGec9d1017c [2020-11-28 07:34:28,152 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:34:28,155 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 07:34:28,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/5c124f86b/e9e5d1a62de345d7807a207a98e7892a/FLAGec9d1017c [2020-11-28 07:34:28,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/5c124f86b/e9e5d1a62de345d7807a207a98e7892a [2020-11-28 07:34:28,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:34:28,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:34:28,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:28,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:34:28,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:34:28,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c262da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28, skipping insertion in model container [2020-11-28 07:34:28,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:34:28,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:34:28,940 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-28 07:34:28,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c06c762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28, skipping insertion in model container [2020-11-28 07:34:28,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:28,941 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:34:28,944 INFO L168 Benchmark]: Toolchain (without parser) took 380.85 ms. Allocated memory is still 90.2 MB. Free memory was 60.1 MB in the beginning and 67.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:28,945 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:34:28,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.36 ms. Allocated memory is still 90.2 MB. Free memory was 59.9 MB in the beginning and 67.3 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:28,949 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 90.2 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.36 ms. Allocated memory is still 90.2 MB. Free memory was 59.9 MB in the beginning and 67.3 MB in the end (delta: -7.4 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: 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 [2020-11-28 07:34:31,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:34:31,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:34:31,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:34:31,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:34:31,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:34:31,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:34:31,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:34:31,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:34:31,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:34:31,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:34:31,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:34:31,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:34:31,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:34:31,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:34:31,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:34:31,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:34:31,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:34:31,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:34:31,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:34:31,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:34:31,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:34:31,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:34:31,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:34:31,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:34:31,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:34:31,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:34:31,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:34:31,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:34:31,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:34:31,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:34:31,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:34:31,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:34:31,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:34:31,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:34:31,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:34:31,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:34:31,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:34:31,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:34:31,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:34:31,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:34:31,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-11-28 07:34:31,304 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:34:31,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:34:31,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:34:31,307 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:34:31,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:34:31,307 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:34:31,308 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:34:31,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:34:31,308 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:34:31,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:34:31,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:34:31,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:34:31,311 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:34:31,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:34:31,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:34:31,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:34:31,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:34:31,312 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:34:31,312 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:34:31,312 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:34:31,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:34:31,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:34:31,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:34:31,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:34:31,313 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:34:31,313 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:34:31,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:34:31,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:34:31,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:34:31,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:34:31,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:34:31,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:34:31,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:34:31,315 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:34:31,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:34:31,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:34:31,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:34:31,316 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_1d56d9e2-4e42-4782-b16e-d919898784c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-11-28 07:34:31,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:34:31,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:34:31,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:34:31,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:34:31,751 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:34:31,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 07:34:31,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/e978603ac/650a0ab62b9c44bd83c4ea8db7239b18/FLAG9bf43a65b [2020-11-28 07:34:32,403 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:34:32,403 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 07:34:32,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/e978603ac/650a0ab62b9c44bd83c4ea8db7239b18/FLAG9bf43a65b [2020-11-28 07:34:32,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d56d9e2-4e42-4782-b16e-d919898784c9/bin/utaipan/data/e978603ac/650a0ab62b9c44bd83c4ea8db7239b18 [2020-11-28 07:34:32,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:34:32,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:34:32,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:32,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:34:32,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:34:32,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:32" (1/1) ... [2020-11-28 07:34:32,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6102a5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:32, skipping insertion in model container [2020-11-28 07:34:32,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:32" (1/1) ... [2020-11-28 07:34:32,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:34:32,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:34:33,166 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-28 07:34:33,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@360ff983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:33, skipping insertion in model container [2020-11-28 07:34:33,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:33,169 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:34:33,172 INFO L168 Benchmark]: Toolchain (without parser) took 484.99 ms. Allocated memory is still 62.9 MB. Free memory was 42.4 MB in the beginning and 47.0 MB in the end (delta: -4.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:33,172 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:34:33,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.10 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 47.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:33,177 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 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.10 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 47.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 13.5 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...