./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 35987657 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-?-3598765 [2022-07-21 17:05:41,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 17:05:41,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 17:05:41,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 17:05:41,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 17:05:41,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 17:05:41,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 17:05:41,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 17:05:41,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 17:05:41,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 17:05:41,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 17:05:41,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 17:05:41,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 17:05:41,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 17:05:41,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 17:05:41,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 17:05:41,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 17:05:41,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 17:05:41,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 17:05:41,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 17:05:41,595 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 17:05:41,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 17:05:41,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 17:05:41,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 17:05:41,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 17:05:41,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 17:05:41,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 17:05:41,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 17:05:41,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 17:05:41,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 17:05:41,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 17:05:41,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 17:05:41,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 17:05:41,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 17:05:41,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 17:05:41,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 17:05:41,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 17:05:41,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 17:05:41,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 17:05:41,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 17:05:41,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 17:05:41,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 17:05:41,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-21 17:05:41,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 17:05:41,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 17:05:41,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 17:05:41,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 17:05:41,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 17:05:41,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 17:05:41,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 17:05:41,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 17:05:41,633 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 17:05:41,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 17:05:41,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 17:05:41,634 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 17:05:41,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 17:05:41,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 17:05:41,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 17:05:41,635 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 17:05:41,635 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 17:05:41,635 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 17:05:41,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 17:05:41,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 17:05:41,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 17:05:41,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 17:05:41,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 17:05:41,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 17:05:41,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 17:05:41,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:05:41,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 17:05:41,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 17:05:41,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 17:05:41,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 17:05:41,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-07-21 17:05:41,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 17:05:41,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 17:05:41,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 17:05:41,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 17:05:41,897 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 17:05:41,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-21 17:05:41,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c34f1e55/4ff061230c064e75b9627afd4d18d0e3/FLAG85ae95ead [2022-07-21 17:05:42,350 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 17:05:42,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-21 17:05:42,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c34f1e55/4ff061230c064e75b9627afd4d18d0e3/FLAG85ae95ead [2022-07-21 17:05:42,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c34f1e55/4ff061230c064e75b9627afd4d18d0e3 [2022-07-21 17:05:42,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 17:05:42,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 17:05:42,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 17:05:42,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 17:05:42,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 17:05:42,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:05:42" (1/1) ... [2022-07-21 17:05:42,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1832fe47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:05:42, skipping insertion in model container [2022-07-21 17:05:42,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:05:42" (1/1) ... [2022-07-21 17:05:42,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 17:05:42,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:05:42,568 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-07-21 17:05:42,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@296d9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:05:42, skipping insertion in model container [2022-07-21 17:05:42,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 17:05:42,570 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 17:05:42,571 INFO L158 Benchmark]: Toolchain (without parser) took 192.25ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 54.7MB in the end (delta: -797.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 17:05:42,572 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 17:05:42,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.90ms. Allocated memory is still 71.3MB. Free memory was 53.6MB in the beginning and 54.7MB in the end (delta: -1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 17:05:42,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.90ms. Allocated memory is still 71.3MB. Free memory was 53.6MB in the beginning and 54.7MB in the end (delta: -1.1MB). 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-?-3598765 [2022-07-21 17:05:44,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 17:05:44,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 17:05:44,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 17:05:44,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 17:05:44,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 17:05:44,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 17:05:44,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 17:05:44,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 17:05:44,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 17:05:44,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 17:05:44,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 17:05:44,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 17:05:44,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 17:05:44,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 17:05:44,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 17:05:44,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 17:05:44,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 17:05:44,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 17:05:44,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 17:05:44,134 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 17:05:44,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 17:05:44,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 17:05:44,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 17:05:44,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 17:05:44,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 17:05:44,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 17:05:44,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 17:05:44,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 17:05:44,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 17:05:44,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 17:05:44,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 17:05:44,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 17:05:44,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 17:05:44,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 17:05:44,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 17:05:44,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 17:05:44,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 17:05:44,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 17:05:44,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 17:05:44,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 17:05:44,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 17:05:44,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-21 17:05:44,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 17:05:44,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 17:05:44,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 17:05:44,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 17:05:44,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 17:05:44,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 17:05:44,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 17:05:44,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 17:05:44,183 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 17:05:44,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 17:05:44,184 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 17:05:44,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 17:05:44,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 17:05:44,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 17:05:44,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 17:05:44,184 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 17:05:44,185 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 17:05:44,185 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 17:05:44,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 17:05:44,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 17:05:44,185 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 17:05:44,185 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 17:05:44,186 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 17:05:44,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 17:05:44,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 17:05:44,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 17:05:44,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 17:05:44,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 17:05:44,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 17:05:44,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 17:05:44,187 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 17:05:44,187 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 17:05:44,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 17:05:44,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-07-21 17:05:44,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 17:05:44,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 17:05:44,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 17:05:44,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 17:05:44,489 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 17:05:44,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-21 17:05:44,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104a7fbed/2abca183b58e483e972aec0c6e35da55/FLAGbef9daee4 [2022-07-21 17:05:44,914 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 17:05:44,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-21 17:05:44,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104a7fbed/2abca183b58e483e972aec0c6e35da55/FLAGbef9daee4 [2022-07-21 17:05:44,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104a7fbed/2abca183b58e483e972aec0c6e35da55 [2022-07-21 17:05:44,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 17:05:44,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 17:05:44,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 17:05:44,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 17:05:44,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 17:05:44,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:05:44" (1/1) ... [2022-07-21 17:05:44,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27494516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:05:44, skipping insertion in model container [2022-07-21 17:05:44,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:05:44" (1/1) ... [2022-07-21 17:05:44,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 17:05:44,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 17:05:45,159 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-07-21 17:05:45,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fffdf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:05:45, skipping insertion in model container [2022-07-21 17:05:45,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 17:05:45,161 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 17:05:45,163 INFO L158 Benchmark]: Toolchain (without parser) took 225.13ms. Allocated memory is still 67.1MB. Free memory was 51.5MB in the beginning and 49.2MB in the end (delta: 2.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 17:05:45,164 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 17:05:45,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.64ms. Allocated memory is still 67.1MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 17:05:45,167 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 50.3MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.64ms. Allocated memory is still 67.1MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). 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 Writing output log to file Ultimate.log Result: UNKNOWN