./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/global-atexit-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 20:18:58,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 20:18:58,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 20:18:58,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 20:18:58,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 20:18:58,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 20:18:58,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 20:18:58,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 20:18:58,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 20:18:58,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 20:18:58,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 20:18:58,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 20:18:58,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 20:18:58,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 20:18:58,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 20:18:58,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 20:18:58,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 20:18:58,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 20:18:58,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 20:18:59,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 20:18:59,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 20:18:59,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 20:18:59,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 20:18:59,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 20:18:59,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 20:18:59,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 20:18:59,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 20:18:59,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 20:18:59,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 20:18:59,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 20:18:59,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 20:18:59,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 20:18:59,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 20:18:59,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 20:18:59,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 20:18:59,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 20:18:59,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 20:18:59,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 20:18:59,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 20:18:59,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 20:18:59,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 20:18:59,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-18 20:18:59,056 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 20:18:59,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 20:18:59,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 20:18:59,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 20:18:59,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 20:18:59,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 20:18:59,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 20:18:59,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 20:18:59,059 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 20:18:59,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 20:18:59,060 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 20:18:59,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 20:18:59,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 20:18:59,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 20:18:59,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 20:18:59,061 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 20:18:59,061 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 20:18:59,061 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 20:18:59,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 20:18:59,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 20:18:59,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 20:18:59,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 20:18:59,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 20:18:59,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 20:18:59,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 20:18:59,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 20:18:59,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 20:18:59,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 20:18:59,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 20:18:59,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 20:18:59,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 20:18:59,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-12-18 20:18:59,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 20:18:59,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 20:18:59,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 20:18:59,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 20:18:59,349 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 20:18:59,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-12-18 20:18:59,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b5a1aad/00d6fcdf4c8e4f64b23e8d66d853932b/FLAGb8d6808d4 [2021-12-18 20:18:59,825 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 20:18:59,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-12-18 20:18:59,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b5a1aad/00d6fcdf4c8e4f64b23e8d66d853932b/FLAGb8d6808d4 [2021-12-18 20:18:59,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b5a1aad/00d6fcdf4c8e4f64b23e8d66d853932b [2021-12-18 20:18:59,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 20:18:59,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 20:18:59,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 20:18:59,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 20:18:59,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 20:18:59,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:18:59" (1/1) ... [2021-12-18 20:18:59,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fffd0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:18:59, skipping insertion in model container [2021-12-18 20:18:59,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:18:59" (1/1) ... [2021-12-18 20:18:59,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 20:18:59,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 20:19:00,212 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-18 20:19:00,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@646f28a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:19:00, skipping insertion in model container [2021-12-18 20:19:00,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 20:19:00,214 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-18 20:19:00,217 INFO L158 Benchmark]: Toolchain (without parser) took 348.14ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 41.2MB in the beginning and 74.1MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 20:19:00,219 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 58.6MB in the beginning and 58.6MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 20:19:00,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.07ms. Allocated memory is still 100.7MB. Free memory was 80.6MB in the beginning and 74.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-18 20:19:00,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 58.6MB in the beginning and 58.6MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.07ms. Allocated memory is still 100.7MB. Free memory was 80.6MB in the beginning and 74.4MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. 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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 20:19:01,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 20:19:01,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 20:19:01,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 20:19:01,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 20:19:01,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 20:19:01,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 20:19:01,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 20:19:01,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 20:19:01,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 20:19:01,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 20:19:01,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 20:19:01,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 20:19:01,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 20:19:01,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 20:19:01,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 20:19:01,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 20:19:01,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 20:19:01,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 20:19:01,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 20:19:01,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 20:19:01,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 20:19:01,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 20:19:01,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 20:19:01,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 20:19:01,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 20:19:01,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 20:19:01,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 20:19:01,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 20:19:01,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 20:19:01,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 20:19:01,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 20:19:01,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 20:19:01,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 20:19:02,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 20:19:02,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 20:19:02,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 20:19:02,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 20:19:02,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 20:19:02,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 20:19:02,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 20:19:02,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-18 20:19:02,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 20:19:02,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 20:19:02,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 20:19:02,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 20:19:02,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 20:19:02,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 20:19:02,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 20:19:02,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 20:19:02,048 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 20:19:02,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 20:19:02,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 20:19:02,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 20:19:02,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 20:19:02,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 20:19:02,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 20:19:02,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 20:19:02,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 20:19:02,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 20:19:02,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 20:19:02,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 20:19:02,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 20:19:02,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 20:19:02,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 20:19:02,050 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 20:19:02,050 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 20:19:02,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 20:19:02,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 20:19:02,051 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-12-18 20:19:02,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 20:19:02,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 20:19:02,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 20:19:02,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 20:19:02,359 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 20:19:02,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-12-18 20:19:02,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b5da2f5/75bac2044132499aaae468f49df4fcdf/FLAGf1c7be56f [2021-12-18 20:19:02,953 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 20:19:02,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-12-18 20:19:02,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b5da2f5/75bac2044132499aaae468f49df4fcdf/FLAGf1c7be56f [2021-12-18 20:19:03,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b5da2f5/75bac2044132499aaae468f49df4fcdf [2021-12-18 20:19:03,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 20:19:03,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 20:19:03,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 20:19:03,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 20:19:03,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 20:19:03,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:19:03" (1/1) ... [2021-12-18 20:19:03,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8ce915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:19:03, skipping insertion in model container [2021-12-18 20:19:03,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:19:03" (1/1) ... [2021-12-18 20:19:03,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 20:19:03,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 20:19:03,741 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-18 20:19:03,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bf0f728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:19:03, skipping insertion in model container [2021-12-18 20:19:03,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 20:19:03,743 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-18 20:19:03,746 INFO L158 Benchmark]: Toolchain (without parser) took 325.94ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.2MB in the beginning and 42.1MB in the end (delta: -18.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-18 20:19:03,747 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 20:19:03,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.94ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.0MB in the beginning and 42.1MB in the end (delta: -19.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-18 20:19:03,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.94ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.0MB in the beginning and 42.1MB in the end (delta: -19.1MB). Peak memory consumption was 5.8MB. 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