./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:48:20,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:48:20,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:48:20,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:48:20,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:48:20,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:48:20,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:48:20,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:48:20,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:48:20,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:48:20,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:48:20,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:48:20,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:48:20,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:48:20,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:48:20,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:48:20,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:48:20,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:48:20,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:48:20,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:48:20,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:48:20,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:48:20,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:48:20,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:48:20,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:48:20,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:48:20,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:48:20,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:48:20,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:48:20,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:48:20,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:48:20,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:48:20,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:48:20,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:48:20,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:48:20,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:48:20,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:48:20,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:48:20,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:48:20,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:48:20,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:48:20,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-28 05:48:20,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:48:20,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:48:20,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:48:20,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:48:20,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:48:20,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:48:20,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:48:20,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:48:20,441 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:48:20,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:48:20,442 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 05:48:20,442 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 05:48:20,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:48:20,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 05:48:20,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:48:20,443 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-28 05:48:20,443 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-28 05:48:20,443 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-28 05:48:20,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:48:20,443 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 05:48:20,443 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 05:48:20,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:48:20,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:48:20,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:48:20,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:48:20,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:48:20,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:48:20,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:48:20,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:48:20,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:48:20,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-28 05:48:20,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:48:20,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:48:20,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:48:20,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:48:20,789 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:48:20,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-28 05:48:20,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893f7ab1b/2861e90fdc92408da43bca500b6b5376/FLAGfb54fbd22 [2021-12-28 05:48:21,315 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:48:21,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-28 05:48:21,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893f7ab1b/2861e90fdc92408da43bca500b6b5376/FLAGfb54fbd22 [2021-12-28 05:48:21,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893f7ab1b/2861e90fdc92408da43bca500b6b5376 [2021-12-28 05:48:21,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:48:21,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:48:21,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:48:21,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:48:21,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:48:21,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:48:21" (1/1) ... [2021-12-28 05:48:21,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd942ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:48:21, skipping insertion in model container [2021-12-28 05:48:21,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:48:21" (1/1) ... [2021-12-28 05:48:21,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:48:21,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:48:22,109 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-28 05:48:22,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@577350a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:48:22, skipping insertion in model container [2021-12-28 05:48:22,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:48:22,110 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 05:48:22,112 INFO L158 Benchmark]: Toolchain (without parser) took 278.45ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 45.4MB in the end (delta: -3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-28 05:48:22,113 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:48:22,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.97ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 45.4MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-28 05:48:22,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.97ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 45.4MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:48:23,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:48:23,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:48:23,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:48:23,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:48:23,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:48:23,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:48:23,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:48:23,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:48:23,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:48:23,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:48:23,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:48:23,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:48:23,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:48:23,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:48:23,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:48:23,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:48:23,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:48:23,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:48:23,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:48:23,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:48:23,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:48:23,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:48:23,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:48:23,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:48:23,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:48:23,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:48:23,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:48:23,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:48:23,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:48:23,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:48:23,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:48:23,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:48:23,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:48:23,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:48:23,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:48:23,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:48:23,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:48:23,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:48:23,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:48:23,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:48:23,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-28 05:48:23,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:48:23,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:48:23,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:48:23,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:48:23,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:48:23,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:48:23,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:48:23,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:48:23,852 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:48:23,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:48:23,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 05:48:23,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 05:48:23,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:48:23,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 05:48:23,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:48:23,854 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-28 05:48:23,854 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-28 05:48:23,854 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-28 05:48:23,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:48:23,855 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 05:48:23,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 05:48:23,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 05:48:23,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 05:48:23,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:48:23,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:48:23,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:48:23,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:48:23,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:48:23,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:48:23,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:48:23,865 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 05:48:23,865 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 05:48:23,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 05:48:23,865 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-28 05:48:24,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:48:24,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:48:24,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:48:24,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:48:24,175 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:48:24,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-28 05:48:24,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618713675/f2cdc7a9ef334fe5831588bad963b0e5/FLAGcc0a3ecb0 [2021-12-28 05:48:24,723 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:48:24,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-28 05:48:24,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618713675/f2cdc7a9ef334fe5831588bad963b0e5/FLAGcc0a3ecb0 [2021-12-28 05:48:25,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618713675/f2cdc7a9ef334fe5831588bad963b0e5 [2021-12-28 05:48:25,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:48:25,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:48:25,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:48:25,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:48:25,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:48:25,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:48:25" (1/1) ... [2021-12-28 05:48:25,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45802a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:48:25, skipping insertion in model container [2021-12-28 05:48:25,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:48:25" (1/1) ... [2021-12-28 05:48:25,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:48:25,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:48:25,512 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-28 05:48:25,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1136848b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:48:25, skipping insertion in model container [2021-12-28 05:48:25,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:48:25,514 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 05:48:25,516 INFO L158 Benchmark]: Toolchain (without parser) took 311.14ms. Allocated memory was 48.2MB in the beginning and 60.8MB in the end (delta: 12.6MB). Free memory was 22.5MB in the beginning and 43.1MB in the end (delta: -20.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-12-28 05:48:25,517 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:48:25,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.30ms. Allocated memory was 48.2MB in the beginning and 60.8MB in the end (delta: 12.6MB). Free memory was 22.3MB in the beginning and 43.1MB in the end (delta: -20.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-12-28 05:48:25,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.30ms. Allocated memory was 48.2MB in the beginning and 60.8MB in the end (delta: 12.6MB). Free memory was 22.3MB in the beginning and 43.1MB in the end (delta: -20.8MB). Peak memory consumption was 3.7MB. 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