./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version eb692b52 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-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 05:11:45,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 05:11:45,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 05:11:45,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 05:11:45,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 05:11:45,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 05:11:45,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 05:11:45,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 05:11:45,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 05:11:45,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 05:11:45,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 05:11:45,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 05:11:45,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 05:11:45,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 05:11:45,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 05:11:45,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 05:11:45,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 05:11:45,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 05:11:45,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 05:11:45,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 05:11:45,355 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 05:11:45,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 05:11:45,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 05:11:45,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 05:11:45,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 05:11:45,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 05:11:45,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 05:11:45,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 05:11:45,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 05:11:45,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 05:11:45,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 05:11:45,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 05:11:45,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 05:11:45,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 05:11:45,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 05:11:45,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 05:11:45,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 05:11:45,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 05:11:45,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 05:11:45,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 05:11:45,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 05:11:45,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 05:11:45,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2022-07-20 05:11:45,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 05:11:45,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 05:11:45,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 05:11:45,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 05:11:45,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 05:11:45,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 05:11:45,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 05:11:45,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 05:11:45,414 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 05:11:45,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 05:11:45,415 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 05:11:45,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-20 05:11:45,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 05:11:45,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 05:11:45,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 05:11:45,416 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-20 05:11:45,416 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-20 05:11:45,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 05:11:45,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 05:11:45,417 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 05:11:45,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 05:11:45,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 05:11:45,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 05:11:45,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 05:11:45,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 05:11:45,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 05:11:45,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 05:11:45,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 05:11:45,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 05:11:45,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-07-20 05:11:45,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 05:11:45,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 05:11:45,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 05:11:45,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 05:11:45,667 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 05:11:45,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-07-20 05:11:45,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86317c66d/49e6b67bb6d244fe9e2d42fb49db3c0f/FLAGca185f546 [2022-07-20 05:11:46,143 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 05:11:46,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-07-20 05:11:46,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86317c66d/49e6b67bb6d244fe9e2d42fb49db3c0f/FLAGca185f546 [2022-07-20 05:11:46,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86317c66d/49e6b67bb6d244fe9e2d42fb49db3c0f [2022-07-20 05:11:46,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 05:11:46,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 05:11:46,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 05:11:46,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 05:11:46,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 05:11:46,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:11:46" (1/1) ... [2022-07-20 05:11:46,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1251cc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:46, skipping insertion in model container [2022-07-20 05:11:46,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:11:46" (1/1) ... [2022-07-20 05:11:46,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 05:11:46,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 05:11:46,473 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-07-20 05:11:46,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@646f28a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:46, skipping insertion in model container [2022-07-20 05:11:46,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 05:11:46,475 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-20 05:11:46,477 INFO L158 Benchmark]: Toolchain (without parser) took 297.08ms. Allocated memory is still 86.0MB. Free memory was 65.2MB in the beginning and 60.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-07-20 05:11:46,479 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 05:11:46,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.91ms. Allocated memory is still 86.0MB. Free memory was 65.0MB in the beginning and 60.2MB in the end (delta: 4.8MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-07-20 05:11:46,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.91ms. Allocated memory is still 86.0MB. Free memory was 65.0MB in the beginning and 60.2MB in the end (delta: 4.8MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit 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-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 05:11:48,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 05:11:48,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 05:11:48,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 05:11:48,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 05:11:48,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 05:11:48,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 05:11:48,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 05:11:48,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 05:11:48,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 05:11:48,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 05:11:48,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 05:11:48,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 05:11:48,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 05:11:48,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 05:11:48,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 05:11:48,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 05:11:48,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 05:11:48,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 05:11:48,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 05:11:48,262 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 05:11:48,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 05:11:48,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 05:11:48,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 05:11:48,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 05:11:48,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 05:11:48,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 05:11:48,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 05:11:48,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 05:11:48,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 05:11:48,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 05:11:48,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 05:11:48,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 05:11:48,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 05:11:48,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 05:11:48,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 05:11:48,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 05:11:48,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 05:11:48,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 05:11:48,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 05:11:48,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 05:11:48,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 05:11:48,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2022-07-20 05:11:48,315 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 05:11:48,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 05:11:48,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 05:11:48,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 05:11:48,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 05:11:48,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 05:11:48,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 05:11:48,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 05:11:48,318 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 05:11:48,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 05:11:48,329 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 05:11:48,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-20 05:11:48,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 05:11:48,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 05:11:48,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 05:11:48,330 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-20 05:11:48,330 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-20 05:11:48,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 05:11:48,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 05:11:48,331 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 05:11:48,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 05:11:48,331 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 05:11:48,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 05:11:48,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 05:11:48,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 05:11:48,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 05:11:48,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 05:11:48,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 05:11:48,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 05:11:48,333 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 05:11:48,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 05:11:48,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 05:11:48,333 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2022-07-20 05:11:48,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 05:11:48,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 05:11:48,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 05:11:48,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 05:11:48,641 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 05:11:48,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2022-07-20 05:11:48,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8a8e107/b97706de55e245b1bd867f81121d8727/FLAG69909f389 [2022-07-20 05:11:49,169 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 05:11:49,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2022-07-20 05:11:49,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8a8e107/b97706de55e245b1bd867f81121d8727/FLAG69909f389 [2022-07-20 05:11:49,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8a8e107/b97706de55e245b1bd867f81121d8727 [2022-07-20 05:11:49,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 05:11:49,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 05:11:49,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 05:11:49,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 05:11:49,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 05:11:49,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:11:49" (1/1) ... [2022-07-20 05:11:49,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65174e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:11:49, skipping insertion in model container [2022-07-20 05:11:49,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:11:49" (1/1) ... [2022-07-20 05:11:49,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 05:11:49,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 05:11:49,792 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2022-07-20 05:11:49,793 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 20.07 05:11:49, skipping insertion in model container [2022-07-20 05:11:49,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 05:11:49,794 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-20 05:11:49,796 INFO L158 Benchmark]: Toolchain (without parser) took 285.07ms. Allocated memory is still 60.8MB. Free memory was 38.1MB in the beginning and 43.8MB in the end (delta: -5.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 05:11:49,797 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 05:11:49,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.68ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 43.8MB in the end (delta: -5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-20 05:11:49,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.68ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 43.8MB in the end (delta: -5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit 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