./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:46:10,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:46:10,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:46:10,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:46:10,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:46:10,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:46:10,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:46:10,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:46:10,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:46:10,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:46:10,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:46:10,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:46:10,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:46:10,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:46:10,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:46:10,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:46:10,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:46:10,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:46:10,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:46:10,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:46:10,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:46:10,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:46:10,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:46:10,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:46:10,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:46:10,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:46:10,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:46:10,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:46:10,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:46:10,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:46:10,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:46:10,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:46:10,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:46:10,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:46:10,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:46:10,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:46:10,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:46:10,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:46:10,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:46:10,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:46:10,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:46:10,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-23 03:46:10,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:46:10,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:46:10,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:46:10,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:46:10,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:46:10,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:46:10,904 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:46:10,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:46:10,904 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:46:10,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:46:10,905 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:46:10,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:46:10,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:46:10,906 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:46:10,906 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:46:10,906 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:46:10,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:46:10,907 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:46:10,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:46:10,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:46:10,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:46:10,908 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:46:10,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:46:10,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:46:10,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:46:10,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:46:10,910 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:46:10,911 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:46:10,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:46:10,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:46:10,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:46:10,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:46:10,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:46:10,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:46:10,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:46:10,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:46:10,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:46:10,913 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:46:10,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:46:10,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:46:10,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:46:10,914 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-23 03:46:11,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:46:11,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:46:11,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:46:11,228 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:46:11,229 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:46:11,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 03:46:11,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/70a71c7ce/02822944bc4247d88e3cf74afe9aa998/FLAG698fcee8f [2021-11-23 03:46:11,829 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:46:11,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 03:46:11,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/70a71c7ce/02822944bc4247d88e3cf74afe9aa998/FLAG698fcee8f [2021-11-23 03:46:12,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/70a71c7ce/02822944bc4247d88e3cf74afe9aa998 [2021-11-23 03:46:12,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:46:12,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:46:12,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:46:12,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:46:12,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:46:12,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:12" (1/1) ... [2021-11-23 03:46:12,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232aa641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:12, skipping insertion in model container [2021-11-23 03:46:12,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:12" (1/1) ... [2021-11-23 03:46:12,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:46:12,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:46:12,585 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 03:46:12,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7203273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:12, skipping insertion in model container [2021-11-23 03:46:12,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:46:12,588 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:46:12,591 INFO L158 Benchmark]: Toolchain (without parser) took 443.98ms. Allocated memory is still 109.1MB. Free memory was 70.9MB in the beginning and 83.0MB in the end (delta: -12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:46:12,592 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:46:12,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.47ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 83.0MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:46:12,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.47ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 83.0MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:46:14,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:46:14,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:46:15,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:46:15,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:46:15,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:46:15,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:46:15,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:46:15,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:46:15,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:46:15,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:46:15,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:46:15,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:46:15,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:46:15,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:46:15,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:46:15,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:46:15,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:46:15,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:46:15,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:46:15,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:46:15,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:46:15,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:46:15,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:46:15,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:46:15,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:46:15,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:46:15,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:46:15,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:46:15,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:46:15,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:46:15,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:46:15,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:46:15,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:46:15,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:46:15,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:46:15,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:46:15,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:46:15,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:46:15,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:46:15,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:46:15,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-23 03:46:15,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:46:15,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:46:15,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:46:15,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:46:15,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:46:15,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:46:15,176 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:46:15,176 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:46:15,177 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:46:15,177 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:46:15,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:46:15,178 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:46:15,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:46:15,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:46:15,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:46:15,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:46:15,181 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:46:15,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:46:15,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:46:15,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:46:15,181 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:46:15,182 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:46:15,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:46:15,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:46:15,182 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:46:15,183 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:46:15,183 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:46:15,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:46:15,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:46:15,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:46:15,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:46:15,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:46:15,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:46:15,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:46:15,185 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:46:15,186 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:46:15,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:46:15,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:46:15,186 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-23 03:46:15,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:46:15,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:46:15,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:46:15,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:46:15,643 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:46:15,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 03:46:15,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/5e4bf3113/aad6476bff714d87923383c865a7824d/FLAGb771da125 [2021-11-23 03:46:16,327 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:46:16,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 03:46:16,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/5e4bf3113/aad6476bff714d87923383c865a7824d/FLAGb771da125 [2021-11-23 03:46:16,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44fa2b2f-2552-4673-852e-98177f3d9894/bin/utaipan-EQgc7hIp5V/data/5e4bf3113/aad6476bff714d87923383c865a7824d [2021-11-23 03:46:16,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:46:16,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:46:16,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:46:16,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:46:16,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:46:16,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:16" (1/1) ... [2021-11-23 03:46:16,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d450c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:16, skipping insertion in model container [2021-11-23 03:46:16,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:16" (1/1) ... [2021-11-23 03:46:16,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:46:16,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:46:17,051 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 03:46:17,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1180bcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17, skipping insertion in model container [2021-11-23 03:46:17,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:46:17,053 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:46:17,054 INFO L158 Benchmark]: Toolchain (without parser) took 414.56ms. Allocated memory is still 56.6MB. Free memory was 32.4MB in the beginning and 38.1MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 03:46:17,055 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:46:17,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.79ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 38.2MB in the end (delta: -6.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 03:46:17,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.79ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 38.2MB in the end (delta: -6.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN