./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d8504409d8a16e1779514ad5a0d3c3317c7652b ......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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_1.3.100.v20150511-1540.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-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d8504409d8a16e1779514ad5a0d3c3317c7652b ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:19:45,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:19:45,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:19:45,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:19:45,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:19:45,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:19:45,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:19:45,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:19:45,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:19:45,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:19:45,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:19:45,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:19:45,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:19:45,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:19:45,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:19:45,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:19:45,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:19:45,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:19:45,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:19:45,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:19:45,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:19:45,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:19:45,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:19:45,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:19:45,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:19:45,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:19:45,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:19:45,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:19:45,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:19:45,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:19:45,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:19:45,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:19:45,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:19:45,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:19:45,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:19:45,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:19:45,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:19:45,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:19:45,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:19:45,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:19:45,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:19:45,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-10-20 06:19:46,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:19:46,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:19:46,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:19:46,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:19:46,013 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:19:46,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:19:46,014 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:19:46,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:19:46,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:19:46,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:19:46,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:19:46,015 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:19:46,015 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:19:46,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:19:46,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:19:46,016 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:19:46,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:19:46,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:19:46,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:19:46,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:19:46,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:19:46,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:19:46,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:19:46,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:19:46,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:19:46,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:19:46,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:19:46,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-memcleanup) ) 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 -> 0d8504409d8a16e1779514ad5a0d3c3317c7652b [2020-10-20 06:19:46,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:19:46,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:19:46,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:19:46,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:19:46,241 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:19:46,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-20 06:19:46,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c77f38e0/5ac9664b80674a8cb6ecd51a96bf8fc0/FLAGe2c63b283 [2020-10-20 06:19:46,849 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:19:46,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-20 06:19:46,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c77f38e0/5ac9664b80674a8cb6ecd51a96bf8fc0/FLAGe2c63b283 [2020-10-20 06:19:47,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c77f38e0/5ac9664b80674a8cb6ecd51a96bf8fc0 [2020-10-20 06:19:47,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:19:47,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:19:47,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:47,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:19:47,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:19:47,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:47" (1/1) ... [2020-10-20 06:19:47,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d88bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:47, skipping insertion in model container [2020-10-20 06:19:47,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:47" (1/1) ... [2020-10-20 06:19:47,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:19:47,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:19:47,569 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-10-20 06:19:47,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fd02d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:47, skipping insertion in model container [2020-10-20 06:19:47,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:47,571 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:19:47,574 INFO L168 Benchmark]: Toolchain (without parser) took 475.75 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 13.6 MB in the beginning and 25.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:47,576 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.9 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:19:47,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.42 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 12.7 MB in the beginning and 25.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:47,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.9 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 465.42 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 12.7 MB in the beginning and 25.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:19:49,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:19:49,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:19:49,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:19:49,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:19:49,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:19:49,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:19:49,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:19:49,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:19:49,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:19:49,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:19:49,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:19:49,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:19:49,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:19:49,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:19:49,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:19:49,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:19:49,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:19:49,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:19:49,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:19:49,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:19:49,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:19:49,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:19:49,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:19:49,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:19:49,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:19:49,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:19:49,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:19:49,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:19:49,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:19:49,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:19:49,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:19:49,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:19:49,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:19:49,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:19:49,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:19:49,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:19:49,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:19:49,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:19:49,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:19:49,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:19:49,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2020-10-20 06:19:49,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:19:49,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:19:49,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:19:49,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:19:49,535 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:19:49,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:19:49,536 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:19:49,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:19:49,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:19:49,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:19:49,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:19:49,537 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:19:49,538 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:19:49,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:19:49,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:19:49,538 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:19:49,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:19:49,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:19:49,539 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:19:49,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:19:49,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:19:49,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:19:49,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:19:49,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:19:49,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:19:49,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:19:49,541 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:19:49,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:19:49,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:19:49,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:19:49,542 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-memcleanup) ) 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 -> 0d8504409d8a16e1779514ad5a0d3c3317c7652b [2020-10-20 06:19:49,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:19:49,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:19:49,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:19:49,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:19:49,756 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:19:49,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-20 06:19:49,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba4df464/2f359c42a1844dd5b97c20913cc04170/FLAG3cc5dfb38 [2020-10-20 06:19:50,256 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:19:50,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-20 06:19:50,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba4df464/2f359c42a1844dd5b97c20913cc04170/FLAG3cc5dfb38 [2020-10-20 06:19:50,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba4df464/2f359c42a1844dd5b97c20913cc04170 [2020-10-20 06:19:50,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:19:50,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:19:50,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:50,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:19:50,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:19:50,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:50" (1/1) ... [2020-10-20 06:19:50,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b03c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:50, skipping insertion in model container [2020-10-20 06:19:50,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:50" (1/1) ... [2020-10-20 06:19:50,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:19:50,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:19:51,047 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-10-20 06:19:51,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25265004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:51, skipping insertion in model container [2020-10-20 06:19:51,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:51,049 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:19:51,052 INFO L168 Benchmark]: Toolchain (without parser) took 466.64 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 14.9 MB in the beginning and 25.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,053 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.97 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 14.0 MB in the beginning and 25.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 459.97 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 14.0 MB in the beginning and 25.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...