./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 f4b24e32 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-?-f4b24e3 [2022-07-14 06:14:17,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 06:14:17,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 06:14:17,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 06:14:17,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 06:14:17,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 06:14:17,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 06:14:17,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 06:14:17,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 06:14:17,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 06:14:17,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 06:14:17,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 06:14:17,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 06:14:17,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 06:14:17,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 06:14:17,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 06:14:17,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 06:14:17,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 06:14:17,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 06:14:17,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 06:14:17,155 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 06:14:17,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 06:14:17,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 06:14:17,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 06:14:17,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 06:14:17,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 06:14:17,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 06:14:17,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 06:14:17,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 06:14:17,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 06:14:17,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 06:14:17,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 06:14:17,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 06:14:17,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 06:14:17,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 06:14:17,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 06:14:17,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 06:14:17,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 06:14:17,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 06:14:17,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 06:14:17,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 06:14:17,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 06:14:17,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-07-14 06:14:17,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 06:14:17,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 06:14:17,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 06:14:17,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 06:14:17,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 06:14:17,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 06:14:17,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 06:14:17,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 06:14:17,247 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 06:14:17,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 06:14:17,248 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 06:14:17,248 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 06:14:17,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 06:14:17,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 06:14:17,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 06:14:17,249 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 06:14:17,249 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 06:14:17,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 06:14:17,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 06:14:17,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 06:14:17,250 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 06:14:17,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 06:14:17,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 06:14:17,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 06:14:17,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 06:14:17,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 06:14:17,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 06:14:17,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 06:14:17,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 06:14:17,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 06:14:17,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-07-14 06:14:17,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 06:14:17,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 06:14:17,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 06:14:17,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 06:14:17,680 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 06:14:17,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-14 06:14:17,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7ac1e56/d6d1eeae868f4cb2a9feb4ae63e7b6f7/FLAG77c91a0ae [2022-07-14 06:14:18,444 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 06:14:18,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-14 06:14:18,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7ac1e56/d6d1eeae868f4cb2a9feb4ae63e7b6f7/FLAG77c91a0ae [2022-07-14 06:14:18,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7ac1e56/d6d1eeae868f4cb2a9feb4ae63e7b6f7 [2022-07-14 06:14:18,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 06:14:18,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 06:14:18,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 06:14:18,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 06:14:18,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 06:14:18,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:14:18" (1/1) ... [2022-07-14 06:14:18,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393ba2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:14:18, skipping insertion in model container [2022-07-14 06:14:18,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:14:18" (1/1) ... [2022-07-14 06:14:18,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 06:14:18,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 06:14:18,868 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-07-14 06:14:18,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7723387a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:14:18, skipping insertion in model container [2022-07-14 06:14:18,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 06:14:18,870 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-14 06:14:18,871 INFO L158 Benchmark]: Toolchain (without parser) took 389.10ms. Allocated memory is still 121.6MB. Free memory was 92.6MB in the beginning and 94.6MB in the end (delta: -2.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-14 06:14:18,872 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 06:14:18,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.32ms. Allocated memory is still 121.6MB. Free memory was 92.4MB in the beginning and 94.6MB in the end (delta: -2.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-14 06:14:18,873 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 121.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.32ms. Allocated memory is still 121.6MB. Free memory was 92.4MB in the beginning and 94.6MB in the end (delta: -2.2MB). Peak memory consumption was 8.9MB. 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-?-f4b24e3 [2022-07-14 06:14:21,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 06:14:21,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 06:14:21,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 06:14:21,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 06:14:21,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 06:14:21,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 06:14:21,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 06:14:21,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 06:14:21,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 06:14:21,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 06:14:21,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 06:14:21,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 06:14:21,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 06:14:21,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 06:14:21,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 06:14:21,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 06:14:21,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 06:14:21,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 06:14:21,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 06:14:21,532 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 06:14:21,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 06:14:21,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 06:14:21,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 06:14:21,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 06:14:21,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 06:14:21,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 06:14:21,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 06:14:21,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 06:14:21,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 06:14:21,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 06:14:21,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 06:14:21,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 06:14:21,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 06:14:21,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 06:14:21,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 06:14:21,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 06:14:21,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 06:14:21,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 06:14:21,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 06:14:21,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 06:14:21,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 06:14:21,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-07-14 06:14:21,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 06:14:21,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 06:14:21,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 06:14:21,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 06:14:21,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 06:14:21,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 06:14:21,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 06:14:21,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 06:14:21,605 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 06:14:21,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 06:14:21,606 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 06:14:21,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 06:14:21,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 06:14:21,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 06:14:21,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 06:14:21,615 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 06:14:21,615 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 06:14:21,616 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 06:14:21,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 06:14:21,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 06:14:21,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 06:14:21,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 06:14:21,617 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 06:14:21,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 06:14:21,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 06:14:21,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 06:14:21,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 06:14:21,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 06:14:21,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 06:14:21,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 06:14:21,618 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 06:14:21,619 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 06:14:21,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 06:14:21,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-07-14 06:14:22,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 06:14:22,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 06:14:22,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 06:14:22,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 06:14:22,106 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 06:14:22,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-14 06:14:22,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6add9455/d125eea45a20412480cf8bb0015373a9/FLAG6cd1abeb6 [2022-07-14 06:14:22,885 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 06:14:22,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-07-14 06:14:22,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6add9455/d125eea45a20412480cf8bb0015373a9/FLAG6cd1abeb6 [2022-07-14 06:14:23,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6add9455/d125eea45a20412480cf8bb0015373a9 [2022-07-14 06:14:23,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 06:14:23,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 06:14:23,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 06:14:23,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 06:14:23,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 06:14:23,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:14:23" (1/1) ... [2022-07-14 06:14:23,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d76bc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:14:23, skipping insertion in model container [2022-07-14 06:14:23,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 06:14:23" (1/1) ... [2022-07-14 06:14:23,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 06:14:23,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 06:14:23,723 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-07-14 06:14:23,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1982cc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 06:14:23, skipping insertion in model container [2022-07-14 06:14:23,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 06:14:23,725 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-14 06:14:23,728 INFO L158 Benchmark]: Toolchain (without parser) took 575.47ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.2MB in the beginning and 49.9MB in the end (delta: -21.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-07-14 06:14:23,730 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 06:14:23,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.06ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.0MB in the beginning and 49.9MB in the end (delta: -21.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-07-14 06:14:23,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.06ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.0MB in the beginning and 49.9MB in the end (delta: -21.9MB). Peak memory consumption was 6.6MB. 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