./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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-dev-ae00767 [2021-12-28 05:42:00,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:42:00,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:42:00,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:42:00,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:42:00,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:42:00,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:42:00,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:42:00,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:42:00,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:42:00,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:42:00,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:42:00,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:42:00,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:42:00,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:42:00,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:42:00,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:42:00,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:42:00,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:42:00,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:42:00,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:42:00,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:42:00,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:42:00,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:42:00,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:42:00,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:42:00,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:42:00,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:42:00,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:42:00,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:42:00,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:42:00,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:42:00,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:42:00,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:42:00,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:42:00,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:42:00,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:42:00,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:42:00,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:42:00,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:42:00,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:42:00,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2021-12-28 05:42:00,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:42:00,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:42:00,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:42:00,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:42:00,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:42:00,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:42:00,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:42:00,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:42:00,358 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:42:00,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:42:00,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 05:42:00,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 05:42:00,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:42:00,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 05:42:00,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:42:00,361 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-28 05:42:00,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-28 05:42:00,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:42:00,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 05:42:00,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 05:42:00,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:42:00,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:42:00,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:42:00,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:42:00,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:42:00,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:42:00,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:42:00,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:42:00,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:42:00,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-12-28 05:42:00,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:42:00,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:42:00,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:42:00,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:42:00,688 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:42:00,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-28 05:42:00,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80a7c1fb/7aa4d2af19c84bb3a20bbfb56519d2ac/FLAG20fbd74ef [2021-12-28 05:42:01,229 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:42:01,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-28 05:42:01,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80a7c1fb/7aa4d2af19c84bb3a20bbfb56519d2ac/FLAG20fbd74ef [2021-12-28 05:42:01,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80a7c1fb/7aa4d2af19c84bb3a20bbfb56519d2ac [2021-12-28 05:42:01,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:42:01,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:42:01,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:42:01,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:42:01,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:42:01,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:42:01" (1/1) ... [2021-12-28 05:42:01,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e96747e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:42:01, skipping insertion in model container [2021-12-28 05:42:01,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:42:01" (1/1) ... [2021-12-28 05:42:01,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:42:01,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:42:01,820 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-12-28 05:42:01,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ad5de85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:42:01, skipping insertion in model container [2021-12-28 05:42:01,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:42:01,822 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 05:42:01,824 INFO L158 Benchmark]: Toolchain (without parser) took 234.45ms. Allocated memory is still 58.7MB. Free memory was 42.3MB in the beginning and 32.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-28 05:42:01,825 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 46.1MB. Free memory was 28.2MB in the beginning and 28.2MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:42:01,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.70ms. Allocated memory is still 58.7MB. Free memory was 42.0MB in the beginning and 32.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-28 05:42:01,828 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 46.1MB. Free memory was 28.2MB in the beginning and 28.2MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.70ms. Allocated memory is still 58.7MB. Free memory was 42.0MB in the beginning and 32.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. 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-dev-ae00767 [2021-12-28 05:42:03,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:42:03,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:42:03,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:42:03,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:42:03,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:42:03,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:42:03,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:42:03,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:42:03,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:42:03,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:42:03,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:42:03,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:42:03,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:42:03,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:42:03,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:42:03,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:42:03,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:42:03,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:42:03,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:42:03,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:42:03,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:42:03,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:42:03,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:42:03,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:42:03,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:42:03,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:42:03,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:42:03,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:42:03,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:42:03,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:42:03,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:42:03,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:42:03,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:42:03,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:42:03,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:42:03,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:42:03,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:42:03,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:42:03,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:42:03,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:42:03,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2021-12-28 05:42:03,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:42:03,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:42:03,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:42:03,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:42:03,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:42:03,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:42:03,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:42:03,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:42:03,548 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:42:03,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:42:03,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 05:42:03,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 05:42:03,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:42:03,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 05:42:03,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:42:03,549 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-28 05:42:03,550 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-28 05:42:03,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:42:03,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 05:42:03,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 05:42:03,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 05:42:03,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 05:42:03,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:42:03,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:42:03,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:42:03,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:42:03,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:42:03,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:42:03,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:42:03,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 05:42:03,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 05:42:03,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 05:42:03,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-12-28 05:42:03,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:42:03,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:42:03,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:42:03,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:42:03,850 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:42:03,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-28 05:42:03,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0e4a73e/d5f16c39fa7e459fabb4b28c1a816d3b/FLAG143cfe5f5 [2021-12-28 05:42:04,395 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:42:04,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-28 05:42:04,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0e4a73e/d5f16c39fa7e459fabb4b28c1a816d3b/FLAG143cfe5f5 [2021-12-28 05:42:04,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b0e4a73e/d5f16c39fa7e459fabb4b28c1a816d3b [2021-12-28 05:42:04,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:42:04,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:42:04,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:42:04,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:42:04,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:42:04,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:42:04" (1/1) ... [2021-12-28 05:42:04,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364c65af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:42:04, skipping insertion in model container [2021-12-28 05:42:04,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:42:04" (1/1) ... [2021-12-28 05:42:04,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:42:04,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:42:05,185 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-12-28 05:42:05,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2766657c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:42:05, skipping insertion in model container [2021-12-28 05:42:05,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:42:05,187 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 05:42:05,189 INFO L158 Benchmark]: Toolchain (without parser) took 283.46ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.1MB in the beginning and 46.3MB in the end (delta: -20.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-12-28 05:42:05,190 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:42:05,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.28ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.0MB in the beginning and 46.4MB in the end (delta: -20.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-12-28 05:42:05,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.28ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.0MB in the beginning and 46.4MB in the end (delta: -20.4MB). Peak memory consumption was 8.3MB. 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