./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-2.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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:37:39,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:37:39,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:37:39,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:37:39,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:37:39,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:37:39,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:37:39,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:37:39,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:37:39,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:37:39,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:37:39,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:37:39,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:37:39,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:37:39,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:37:39,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:37:39,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:37:39,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:37:39,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:37:39,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:37:39,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:37:39,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:37:39,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:37:39,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:37:39,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:37:39,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:37:39,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:37:39,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:37:39,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:37:39,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:37:39,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:37:39,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:37:39,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:37:39,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:37:39,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:37:39,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:37:39,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:37:39,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:37:39,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:37:39,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:37:39,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:37:39,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2022-02-20 23:37:39,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:37:39,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:37:39,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:37:39,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:37:39,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:37:39,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:37:39,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:37:39,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:37:39,463 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:37:39,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:37:39,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:37:39,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:37:39,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:37:39,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:37:39,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:37:39,464 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:37:39,464 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:37:39,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:37:39,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:37:39,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:37:39,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:37:39,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:37:39,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:37:39,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:37:39,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:37:39,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:37:39,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:37:39,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:37:39,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:37:39,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-02-20 23:37:39,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:37:39,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:37:39,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:37:39,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:37:39,676 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:37:39,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-02-20 23:37:39,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a917bcfa6/feee654031b84cc08417dd41ae3a46c0/FLAG95124ee40 [2022-02-20 23:37:40,154 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:37:40,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-02-20 23:37:40,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a917bcfa6/feee654031b84cc08417dd41ae3a46c0/FLAG95124ee40 [2022-02-20 23:37:40,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a917bcfa6/feee654031b84cc08417dd41ae3a46c0 [2022-02-20 23:37:40,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:37:40,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:37:40,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:37:40,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:37:40,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:37:40,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:37:40" (1/1) ... [2022-02-20 23:37:40,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2d0ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:40, skipping insertion in model container [2022-02-20 23:37:40,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:37:40" (1/1) ... [2022-02-20 23:37:40,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:37:40,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:37:40,884 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-02-20 23:37:40,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14e5e6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:40, skipping insertion in model container [2022-02-20 23:37:40,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:37:40,885 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-20 23:37:40,888 INFO L158 Benchmark]: Toolchain (without parser) took 344.06ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 77.4MB in the beginning and 108.8MB in the end (delta: -31.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 23:37:40,889 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 23:37:40,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.70ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 77.1MB in the beginning and 108.8MB in the end (delta: -31.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 23:37:40,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.70ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 77.1MB in the beginning and 108.8MB in the end (delta: -31.8MB). 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 -ea -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-2.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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:37:42,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:37:42,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:37:42,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:37:42,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:37:42,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:37:42,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:37:42,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:37:42,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:37:42,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:37:42,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:37:42,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:37:42,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:37:42,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:37:42,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:37:42,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:37:42,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:37:42,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:37:42,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:37:42,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:37:42,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:37:42,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:37:42,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:37:42,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:37:42,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:37:42,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:37:42,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:37:42,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:37:42,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:37:42,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:37:42,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:37:42,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:37:42,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:37:42,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:37:42,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:37:42,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:37:42,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:37:42,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:37:42,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:37:42,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:37:42,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:37:42,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2022-02-20 23:37:42,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:37:42,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:37:42,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:37:42,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:37:42,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:37:42,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:37:42,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:37:42,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:37:42,437 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:37:42,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:37:42,438 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:37:42,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:37:42,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:37:42,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:37:42,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:37:42,439 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:37:42,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:37:42,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:37:42,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:37:42,439 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 23:37:42,439 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 23:37:42,440 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:37:42,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:37:42,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:37:42,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:37:42,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:37:42,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:37:42,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:37:42,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:37:42,441 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 23:37:42,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 23:37:42,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 23:37:42,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-02-20 23:37:42,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:37:42,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:37:42,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:37:42,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:37:42,705 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:37:42,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-02-20 23:37:42,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d5cdf6e/6b3ad33d37ec40129a8bd910574590fb/FLAGcd645f01f [2022-02-20 23:37:43,170 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:37:43,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-02-20 23:37:43,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d5cdf6e/6b3ad33d37ec40129a8bd910574590fb/FLAGcd645f01f [2022-02-20 23:37:43,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3d5cdf6e/6b3ad33d37ec40129a8bd910574590fb [2022-02-20 23:37:43,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:37:43,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:37:43,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:37:43,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:37:43,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:37:43,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:37:43" (1/1) ... [2022-02-20 23:37:43,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c12571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:43, skipping insertion in model container [2022-02-20 23:37:43,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:37:43" (1/1) ... [2022-02-20 23:37:43,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:37:43,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:37:43,460 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-02-20 23:37:43,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dbcfff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:43, skipping insertion in model container [2022-02-20 23:37:43,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:37:43,461 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-20 23:37:43,463 INFO L158 Benchmark]: Toolchain (without parser) took 270.62ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 45.3MB in the end (delta: -2.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-20 23:37:43,464 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 23:37:43,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.73ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 45.3MB in the end (delta: -2.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-20 23:37:43,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.73ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 45.3MB in the end (delta: -2.8MB). Peak memory consumption was 14.7MB. 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