./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/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 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_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/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 d1b1b34008a1f107ed3f99334cc6076559cadae6 ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:21:51,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:21:51,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:21:51,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:21:51,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:21:51,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:21:51,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:21:51,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:21:51,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:21:51,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:21:51,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:21:51,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:21:51,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:21:51,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:21:51,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:21:51,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:21:51,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:21:51,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:21:51,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:21:51,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:21:51,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:21:51,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:21:51,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:21:51,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:21:51,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:21:51,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:21:51,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:21:51,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:21:51,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:21:51,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:21:51,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:21:51,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:21:51,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:21:51,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:21:51,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:21:51,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:21:51,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:21:51,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:21:51,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:21:51,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:21:51,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:21:51,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2020-12-09 16:21:51,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:21:51,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:21:51,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:21:51,689 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:21:51,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:21:51,689 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:21:51,690 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:21:51,690 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:21:51,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:21:51,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:21:51,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:21:51,690 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:21:51,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:21:51,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:21:51,691 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:21:51,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:21:51,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:21:51,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:21:51,691 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:21:51,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:21:51,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:21:51,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:21:51,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:21:51,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:21:51,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:21:51,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:21:51,693 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:21:51,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:21:51,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:21:51,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:21:51,694 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_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-12-09 16:21:51,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:21:51,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:21:51,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:21:51,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:21:51,888 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:21:51,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-09 16:21:51,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/2937e0b3f/a48701c38dfc4c69b7cda2bbc35a16b0/FLAG2c3903a3c [2020-12-09 16:21:52,342 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:21:52,343 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-09 16:21:52,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/2937e0b3f/a48701c38dfc4c69b7cda2bbc35a16b0/FLAG2c3903a3c [2020-12-09 16:21:52,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/2937e0b3f/a48701c38dfc4c69b7cda2bbc35a16b0 [2020-12-09 16:21:52,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:21:52,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:21:52,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:21:52,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:21:52,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:21:52,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:21:52" (1/1) ... [2020-12-09 16:21:52,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4eb085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:52, skipping insertion in model container [2020-12-09 16:21:52,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:21:52" (1/1) ... [2020-12-09 16:21:52,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:21:52,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:21:52,586 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-12-09 16:21:52,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e3977aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:52, skipping insertion in model container [2020-12-09 16:21:52,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:21:52,587 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 16:21:52,588 INFO L168 Benchmark]: Toolchain (without parser) took 221.42 ms. Allocated memory is still 121.6 MB. Free memory was 84.0 MB in the beginning and 98.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:21:52,589 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 121.6 MB. Free memory is still 101.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:21:52,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.30 ms. Allocated memory is still 121.6 MB. Free memory was 83.8 MB in the beginning and 98.2 MB in the end (delta: -14.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:21:52,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 121.6 MB. Free memory is still 101.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 219.30 ms. Allocated memory is still 121.6 MB. Free memory was 83.8 MB in the beginning and 98.2 MB in the end (delta: -14.3 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: 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 0.2.0-7b2dab5 [2020-12-09 16:21:53,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:21:53,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:21:53,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:21:53,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:21:53,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:21:53,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:21:53,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:21:53,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:21:53,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:21:53,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:21:53,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:21:53,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:21:53,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:21:53,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:21:53,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:21:53,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:21:53,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:21:53,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:21:53,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:21:53,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:21:53,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:21:53,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:21:53,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:21:53,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:21:53,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:21:53,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:21:53,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:21:53,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:21:53,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:21:53,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:21:53,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:21:53,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:21:53,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:21:53,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:21:53,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:21:53,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:21:53,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:21:53,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:21:53,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:21:53,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:21:53,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2020-12-09 16:21:54,007 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:21:54,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:21:54,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:21:54,008 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:21:54,008 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:21:54,008 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:21:54,009 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:21:54,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:21:54,009 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:21:54,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 16:21:54,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 16:21:54,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:21:54,010 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:21:54,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 16:21:54,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:21:54,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:21:54,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:21:54,011 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 16:21:54,011 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 16:21:54,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:21:54,012 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:21:54,012 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:21:54,012 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:21:54,012 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:21:54,012 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:21:54,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:21:54,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:21:54,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:21:54,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:21:54,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:21:54,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:21:54,014 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:21:54,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:21:54,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:21:54,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:21:54,014 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_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-12-09 16:21:54,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:21:54,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:21:54,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:21:54,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:21:54,280 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:21:54,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-09 16:21:54,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/4396511ff/1f31c61bb72648cf902d87e0d2f1049d/FLAG2421e791d [2020-12-09 16:21:54,734 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:21:54,735 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-09 16:21:54,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/4396511ff/1f31c61bb72648cf902d87e0d2f1049d/FLAG2421e791d [2020-12-09 16:21:54,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fea2dccc-cec2-4aea-8cf3-e3c2f8c269ce/bin/utaipan/data/4396511ff/1f31c61bb72648cf902d87e0d2f1049d [2020-12-09 16:21:54,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:21:54,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:21:54,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:21:54,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:21:54,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:21:54,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:21:54" (1/1) ... [2020-12-09 16:21:54,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a61563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:54, skipping insertion in model container [2020-12-09 16:21:54,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:21:54" (1/1) ... [2020-12-09 16:21:54,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:21:54,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:21:54,962 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-12-09 16:21:54,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b5c7ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:21:54, skipping insertion in model container [2020-12-09 16:21:54,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:21:54,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 16:21:54,965 INFO L168 Benchmark]: Toolchain (without parser) took 207.32 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 23.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:21:54,973 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 38.7 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:21:54,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.74 ms. Allocated memory is still 56.6 MB. Free memory was 33.9 MB in the beginning and 23.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:21:54,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 38.7 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 205.74 ms. Allocated memory is still 56.6 MB. Free memory was 33.9 MB in the beginning and 23.7 MB in the end (delta: 10.1 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...