./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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-2.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 7636b82427235e59cf5b6ba5e099bf7be7408de5 ............................................................................................................................ 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-2.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 7636b82427235e59cf5b6ba5e099bf7be7408de5 ............................................................................................................................... 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 05:53:24,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:53:24,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:53:24,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:53:24,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:53:24,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:53:24,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:53:24,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:53:24,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:53:24,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:53:24,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:53:24,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:53:24,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:53:24,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:53:24,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:53:24,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:53:24,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:53:24,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:53:24,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:53:24,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:53:24,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:53:24,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:53:24,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:53:24,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:53:24,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:53:24,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:53:24,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:53:24,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:53:24,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:53:24,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:53:24,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:53:24,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:53:24,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:53:24,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:53:24,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:53:24,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:53:24,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:53:24,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:53:24,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:53:24,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:53:24,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:53:24,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 05:53:24,539 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:53:24,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:53:24,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:53:24,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:53:24,542 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:53:24,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:53:24,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:53:24,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:53:24,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:53:24,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:53:24,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:53:24,545 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:53:24,545 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:53:24,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:53:24,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:53:24,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:53:24,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:53:24,547 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:53:24,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:53:24,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:53:24,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:53:24,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:53:24,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:53:24,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:53:24,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:53:24,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 05:53:24,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 05:53:24,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:53:24,550 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-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 -> 7636b82427235e59cf5b6ba5e099bf7be7408de5 [2020-10-20 05:53:24,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:53:24,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:53:24,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:53:24,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:53:24,788 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:53:24,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-20 05:53:24,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61033434b/117296066a0a4b18b97e8fc41a492544/FLAG297a5f1b4 [2020-10-20 05:53:25,486 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:53:25,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-20 05:53:25,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61033434b/117296066a0a4b18b97e8fc41a492544/FLAG297a5f1b4 [2020-10-20 05:53:25,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61033434b/117296066a0a4b18b97e8fc41a492544 [2020-10-20 05:53:25,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:53:25,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:53:25,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:53:25,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:53:25,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:53:25,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:53:25" (1/1) ... [2020-10-20 05:53:25,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f77b7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:53:25, skipping insertion in model container [2020-10-20 05:53:25,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:53:25" (1/1) ... [2020-10-20 05:53:25,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:53:25,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:53:26,082 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-20 05:53:26,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1df370d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:53:26, skipping insertion in model container [2020-10-20 05:53:26,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:53:26,084 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 05:53:26,088 INFO L168 Benchmark]: Toolchain (without parser) took 381.22 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 21.0 MB in the beginning and 20.4 MB in the end (delta: 607.5 kB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 05:53:26,089 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 31.5 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 05:53:26,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.24 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 20.4 MB in the end (delta: -247.1 kB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 05:53:26,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 31.5 MB. Free memory was 9.1 MB in the beginning and 9.1 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 373.24 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 20.4 MB in the end (delta: -247.1 kB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 05:53:28,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 05:53:28,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 05:53:28,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 05:53:28,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 05:53:28,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 05:53:28,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 05:53:28,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 05:53:28,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 05:53:28,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 05:53:28,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 05:53:28,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 05:53:28,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 05:53:28,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 05:53:28,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 05:53:28,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 05:53:28,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 05:53:28,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 05:53:28,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 05:53:28,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 05:53:28,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 05:53:28,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 05:53:28,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 05:53:28,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 05:53:28,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 05:53:28,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 05:53:28,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 05:53:28,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 05:53:28,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 05:53:28,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 05:53:28,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 05:53:28,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 05:53:28,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 05:53:28,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 05:53:28,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 05:53:28,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 05:53:28,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 05:53:28,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 05:53:28,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 05:53:28,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 05:53:28,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 05:53:28,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 05:53:28,139 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 05:53:28,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 05:53:28,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 05:53:28,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 05:53:28,142 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 05:53:28,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 05:53:28,142 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 05:53:28,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 05:53:28,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 05:53:28,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 05:53:28,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 05:53:28,144 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 05:53:28,144 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 05:53:28,144 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 05:53:28,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 05:53:28,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 05:53:28,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 05:53:28,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 05:53:28,145 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 05:53:28,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 05:53:28,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 05:53:28,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 05:53:28,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 05:53:28,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 05:53:28,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 05:53:28,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 05:53:28,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 05:53:28,148 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 05:53:28,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 05:53:28,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 05:53:28,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 05:53:28,149 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-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 -> 7636b82427235e59cf5b6ba5e099bf7be7408de5 [2020-10-20 05:53:28,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 05:53:28,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 05:53:28,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 05:53:28,379 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 05:53:28,380 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 05:53:28,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-20 05:53:28,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86fb119e/3903b6672499475cb5fc1cf6310281f4/FLAGd90549871 [2020-10-20 05:53:28,952 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 05:53:28,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-20 05:53:28,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86fb119e/3903b6672499475cb5fc1cf6310281f4/FLAGd90549871 [2020-10-20 05:53:29,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86fb119e/3903b6672499475cb5fc1cf6310281f4 [2020-10-20 05:53:29,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 05:53:29,289 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 05:53:29,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 05:53:29,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 05:53:29,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 05:53:29,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:53:29" (1/1) ... [2020-10-20 05:53:29,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240e128d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:53:29, skipping insertion in model container [2020-10-20 05:53:29,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:53:29" (1/1) ... [2020-10-20 05:53:29,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 05:53:29,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 05:53:29,741 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-20 05:53:29,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10042210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:53:29, skipping insertion in model container [2020-10-20 05:53:29,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 05:53:29,743 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 05:53:29,747 INFO L168 Benchmark]: Toolchain (without parser) took 461.55 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 20.4 MB in the beginning and 21.0 MB in the end (delta: -545.0 kB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. [2020-10-20 05:53:29,748 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.8 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 05:53:29,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.87 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 19.6 MB in the beginning and 21.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-20 05:53:29,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.8 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 452.87 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 19.6 MB in the beginning and 21.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...