./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ba48a5ba258c97002ebbac7c4ac0368a62523f ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ba48a5ba258c97002ebbac7c4ac0368a62523f ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:21,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:21,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:21,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:21,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:21,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:21,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:21,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:21,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:21,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:21,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:21,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:21,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:21,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:21,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:21,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:21,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:21,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:21,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:21,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:21,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:21,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:21,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:21,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:21,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:21,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:21,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:21,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:21,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:21,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:21,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:21,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:21,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:21,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:21,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:21,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:21,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:21,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:21,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:21,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:21,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:21,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-11 02:30:21,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:21,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:21,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:21,585 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:21,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:21,585 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:21,586 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:21,586 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:21,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:21,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:21,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:21,588 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:21,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:21,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:21,588 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:21,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:30:21,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:30:21,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:21,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:21,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:30:21,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:21,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:21,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:21,591 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:30:21,591 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:30:21,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:21,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:21,594 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:21,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:21,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:21,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:21,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:21,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:21,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:21,596 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:21,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:21,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:21,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:21,597 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-10-11 02:30:21,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:21,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:21,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:21,908 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:21,909 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:21,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-11 02:30:21,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/3ecfadb4f/d2ee01afeb6f4a43b09576e032465228/FLAG74ffcd910 [2021-10-11 02:30:22,554 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:22,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-11 02:30:22,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/3ecfadb4f/d2ee01afeb6f4a43b09576e032465228/FLAG74ffcd910 [2021-10-11 02:30:22,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/3ecfadb4f/d2ee01afeb6f4a43b09576e032465228 [2021-10-11 02:30:22,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:22,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:22,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:22,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:22,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:22,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:22" (1/1) ... [2021-10-11 02:30:22,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652b973b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:22, skipping insertion in model container [2021-10-11 02:30:22,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:22" (1/1) ... [2021-10-11 02:30:22,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:22,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:23,275 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-11 02:30:23,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1662b3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:23, skipping insertion in model container [2021-10-11 02:30:23,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:23,277 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:23,280 INFO L168 Benchmark]: Toolchain (without parser) took 441.41 ms. Allocated memory is still 125.8 MB. Free memory was 88.7 MB in the beginning and 101.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:23,282 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 125.8 MB. Free memory was 106.0 MB in the beginning and 106.0 MB in the end (delta: 62.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:23,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.51 ms. Allocated memory is still 125.8 MB. Free memory was 88.5 MB in the beginning and 101.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:23,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 125.8 MB. Free memory was 106.0 MB in the beginning and 106.0 MB in the end (delta: 62.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.51 ms. Allocated memory is still 125.8 MB. Free memory was 88.5 MB in the beginning and 101.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:25,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:25,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:25,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:25,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:25,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:25,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:25,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:25,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:25,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:25,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:25,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:25,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:25,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:25,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:25,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:25,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:25,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:25,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:25,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:25,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:25,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:25,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:25,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:25,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:25,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:25,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:25,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:25,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:25,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:25,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:25,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:25,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:25,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:25,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:25,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:25,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:25,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:25,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:25,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:25,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:25,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:25,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:25,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:25,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:25,771 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:25,772 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:25,772 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:25,772 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:25,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:25,773 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:25,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:30:25,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:30:25,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:25,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:25,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:30:25,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:25,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:25,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:25,779 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:30:25,779 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:30:25,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:25,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:25,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:25,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:25,780 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:25,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:25,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:25,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:25,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:25,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:25,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:25,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:25,783 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:25,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:25,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:25,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:25,784 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-10-11 02:30:26,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:26,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:26,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:26,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:26,230 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:26,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-11 02:30:26,305 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/131590d65/2d45535cb7954ebdb5c26f2b95bcaeea/FLAG40e4e83df [2021-10-11 02:30:26,875 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:26,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-11 02:30:26,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/131590d65/2d45535cb7954ebdb5c26f2b95bcaeea/FLAG40e4e83df [2021-10-11 02:30:27,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05797e95-0ee0-4ec0-b84d-6f9eb4d69e37/bin/utaipan-WLngWcDbfI/data/131590d65/2d45535cb7954ebdb5c26f2b95bcaeea [2021-10-11 02:30:27,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:27,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:27,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:27,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:27,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:27,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cad3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27, skipping insertion in model container [2021-10-11 02:30:27,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:27,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:27,642 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-11 02:30:27,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e6373c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27, skipping insertion in model container [2021-10-11 02:30:27,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:27,644 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:27,646 INFO L168 Benchmark]: Toolchain (without parser) took 449.67 ms. Allocated memory is still 62.9 MB. Free memory was 42.4 MB in the beginning and 46.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:27,647 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:27,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.21 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 46.3 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:27,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 62.9 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 447.21 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 46.3 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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...