./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8 --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_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8 --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 0.2.1-dev-4e77c04 [2021-10-13 07:19:00,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:19:00,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:19:00,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:19:00,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:19:00,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:19:00,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:19:00,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:19:00,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:19:00,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:19:00,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:19:00,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:19:00,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:19:00,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:19:00,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:19:00,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:19:00,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:19:00,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:19:00,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:19:00,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:19:00,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:19:00,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:19:00,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:19:00,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:19:00,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:19:00,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:19:00,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:19:00,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:19:00,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:19:00,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:19:00,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:19:00,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:19:00,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:19:00,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:19:00,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:19:00,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:19:00,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:19:00,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:19:00,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:19:00,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:19:00,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:19:00,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-13 07:19:00,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:19:00,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:19:00,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:19:00,463 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:19:00,463 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:19:00,463 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:19:00,464 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:19:00,464 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:19:00,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:19:00,464 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:19:00,465 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:19:00,466 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:19:00,466 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:19:00,466 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:19:00,467 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:19:00,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:19:00,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:19:00,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:19:00,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:19:00,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:19:00,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:19:00,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:19:00,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:19:00,469 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:19:00,469 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:19:00,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:19:00,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:19:00,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:19:00,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:19:00,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:19:00,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:19:00,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:19:00,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:19:00,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:19:00,472 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:19:00,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:19:00,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:19:00,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:19:00,473 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_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-10-13 07:19:00,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:19:00,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:19:00,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:19:00,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:19:00,823 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:19:00,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-13 07:19:00,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/989eea9ce/90169fab239146dabca938d8775d2d25/FLAG62b858f0b [2021-10-13 07:19:01,398 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:19:01,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-13 07:19:01,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/989eea9ce/90169fab239146dabca938d8775d2d25/FLAG62b858f0b [2021-10-13 07:19:01,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/989eea9ce/90169fab239146dabca938d8775d2d25 [2021-10-13 07:19:01,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:19:01,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:19:01,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:19:01,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:19:01,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:19:01,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:01" (1/1) ... [2021-10-13 07:19:01,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74632e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:01, skipping insertion in model container [2021-10-13 07:19:01,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:01" (1/1) ... [2021-10-13 07:19:01,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:19:01,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:19:02,221 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-13 07:19:02,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1edcb782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:02, skipping insertion in model container [2021-10-13 07:19:02,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:19:02,225 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:19:02,228 INFO L168 Benchmark]: Toolchain (without parser) took 512.26 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 67.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:02,229 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory was 72.7 MB in the beginning and 72.7 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:19:02,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.50 ms. Allocated memory is still 92.3 MB. Free memory was 55.2 MB in the beginning and 67.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:02,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory was 72.7 MB in the beginning and 72.7 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.50 ms. Allocated memory is still 92.3 MB. Free memory was 55.2 MB in the beginning and 67.0 MB in the end (delta: -11.9 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 0.2.1-dev-4e77c04 [2021-10-13 07:19:04,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:19:04,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:19:04,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:19:04,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:19:04,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:19:04,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:19:04,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:19:04,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:19:04,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:19:04,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:19:04,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:19:04,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:19:04,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:19:04,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:19:04,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:19:04,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:19:04,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:19:04,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:19:04,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:19:04,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:19:04,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:19:04,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:19:04,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:19:04,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:19:04,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:19:04,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:19:04,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:19:04,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:19:04,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:19:04,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:19:04,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:19:04,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:19:04,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:19:04,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:19:04,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:19:04,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:19:04,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:19:04,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:19:04,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:19:04,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:19:04,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-13 07:19:04,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:19:04,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:19:04,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:19:04,595 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:19:04,596 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:19:04,596 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:19:04,596 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:19:04,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:19:04,597 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:19:04,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:19:04,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:19:04,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:19:04,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:19:04,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:19:04,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:19:04,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:19:04,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:19:04,602 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:19:04,602 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:19:04,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:19:04,602 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:19:04,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:19:04,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:19:04,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:19:04,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:19:04,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:19:04,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:19:04,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:19:04,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:19:04,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:19:04,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:19:04,606 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:19:04,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:19:04,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:19:04,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:19:04,608 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_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-10-13 07:19:05,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:19:05,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:19:05,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:19:05,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:19:05,079 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:19:05,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-13 07:19:05,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/8f52e4bac/b97a90d8b4b2485392dbed0b2d5fe487/FLAGc8da8f5e1 [2021-10-13 07:19:05,697 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:19:05,697 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-13 07:19:05,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/8f52e4bac/b97a90d8b4b2485392dbed0b2d5fe487/FLAGc8da8f5e1 [2021-10-13 07:19:06,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbfd4efe-2b95-434d-adcf-2bc44054cf10/bin/utaipan-q2qaUkNPG8/data/8f52e4bac/b97a90d8b4b2485392dbed0b2d5fe487 [2021-10-13 07:19:06,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:19:06,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:19:06,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:19:06,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:19:06,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:19:06,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:06" (1/1) ... [2021-10-13 07:19:06,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcd5d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:06, skipping insertion in model container [2021-10-13 07:19:06,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:06" (1/1) ... [2021-10-13 07:19:06,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:19:06,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:19:06,357 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-13 07:19:06,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@468d6b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:06, skipping insertion in model container [2021-10-13 07:19:06,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:19:06,360 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:19:06,363 INFO L168 Benchmark]: Toolchain (without parser) took 350.73 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 54.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:06,365 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:19:06,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.41 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 54.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:19:06,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.41 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 54.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 12.6 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...