./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer --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 78ba48a5ba258c97002ebbac7c4ac0368a62523f .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer --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 78ba48a5ba258c97002ebbac7c4ac0368a62523f ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:21:22,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:21:22,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:21:22,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:21:22,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:21:22,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:21:22,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:21:22,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:21:22,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:21:22,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:21:22,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:21:22,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:21:22,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:21:22,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:21:22,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:21:22,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:21:22,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:21:22,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:21:22,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:21:23,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:21:23,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:21:23,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:21:23,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:21:23,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:21:23,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:21:23,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:21:23,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:21:23,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:21:23,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:21:23,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:21:23,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:21:23,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:21:23,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:21:23,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:21:23,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:21:23,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:21:23,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:21:23,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:21:23,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:21:23,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:21:23,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:21:23,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-11-29 18:21:23,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:21:23,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:21:23,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:21:23,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:21:23,085 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:21:23,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:21:23,086 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:21:23,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:21:23,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:21:23,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:21:23,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:21:23,088 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:21:23,088 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:21:23,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:21:23,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 18:21:23,088 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:21:23,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:21:23,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:21:23,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:21:23,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:21:23,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:21:23,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:21:23,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:21:23,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:21:23,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:21:23,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:21:23,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:21:23,091 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:/tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2020-11-29 18:21:23,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:21:23,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:21:23,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:21:23,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:21:23,416 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:21:23,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-29 18:21:23,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/d3f761133/3ffe774da92e4a09b9870090d3e813e5/FLAGee5ddeab7 [2020-11-29 18:21:24,059 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:21:24,059 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-29 18:21:24,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/d3f761133/3ffe774da92e4a09b9870090d3e813e5/FLAGee5ddeab7 [2020-11-29 18:21:24,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/d3f761133/3ffe774da92e4a09b9870090d3e813e5 [2020-11-29 18:21:24,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:21:24,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 18:21:24,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:21:24,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:21:24,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:21:24,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:24" (1/1) ... [2020-11-29 18:21:24,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f1d907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:24, skipping insertion in model container [2020-11-29 18:21:24,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:24" (1/1) ... [2020-11-29 18:21:24,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:21:24,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:21:24,763 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-11-29 18:21:24,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48021184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:24, skipping insertion in model container [2020-11-29 18:21:24,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:21:24,765 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 18:21:24,767 INFO L168 Benchmark]: Toolchain (without parser) took 411.39 ms. Allocated memory is still 125.8 MB. Free memory was 96.3 MB in the beginning and 102.1 MB in the end (delta: -5.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:21:24,768 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 43.8 MB in the beginning and 43.8 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:21:24,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.21 ms. Allocated memory is still 125.8 MB. Free memory was 96.0 MB in the beginning and 102.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:21:24,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 43.8 MB in the beginning and 43.8 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 408.21 ms. Allocated memory is still 125.8 MB. Free memory was 96.0 MB in the beginning and 102.6 MB in the end (delta: -6.6 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-a4ecdab [2020-11-29 18:21:27,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:21:27,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:21:27,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:21:27,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:21:27,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:21:27,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:21:27,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:21:27,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:21:27,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:21:27,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:21:27,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:21:27,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:21:27,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:21:27,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:21:27,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:21:27,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:21:27,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:21:27,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:21:27,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:21:27,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:21:27,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:21:27,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:21:27,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:21:27,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:21:27,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:21:27,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:21:27,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:21:27,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:21:27,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:21:27,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:21:27,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:21:27,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:21:27,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:21:27,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:21:27,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:21:27,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:21:27,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:21:27,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:21:27,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:21:27,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:21:27,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2020-11-29 18:21:27,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:21:27,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:21:27,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:21:27,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:21:27,351 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:21:27,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:21:27,351 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:21:27,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:21:27,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:21:27,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:21:27,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:21:27,354 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:21:27,354 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:21:27,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:21:27,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 18:21:27,355 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:21:27,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:21:27,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:21:27,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:21:27,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:21:27,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:21:27,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:21:27,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:21:27,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:21:27,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:21:27,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:21:27,358 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:21:27,358 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:21:27,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:21:27,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:21:27,359 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-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2020-11-29 18:21:27,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:21:27,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:21:27,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:21:27,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:21:27,871 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:21:27,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-29 18:21:27,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/99777f9c0/1b4645e44d8f4d6bb9cb3977b0c6f39c/FLAG095f2bcf6 [2020-11-29 18:21:28,689 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:21:28,690 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-11-29 18:21:28,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/99777f9c0/1b4645e44d8f4d6bb9cb3977b0c6f39c/FLAG095f2bcf6 [2020-11-29 18:21:28,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_188c4879-84ac-40e1-bff6-96c9c5a3fbb5/bin/uautomizer/data/99777f9c0/1b4645e44d8f4d6bb9cb3977b0c6f39c [2020-11-29 18:21:28,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:21:28,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 18:21:28,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:21:28,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:21:28,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:21:28,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:28" (1/1) ... [2020-11-29 18:21:28,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a0a5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:28, skipping insertion in model container [2020-11-29 18:21:28,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:28" (1/1) ... [2020-11-29 18:21:28,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:21:29,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:21:29,364 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-11-29 18:21:29,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d7d5b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:29, skipping insertion in model container [2020-11-29 18:21:29,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:21:29,366 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 18:21:29,369 INFO L168 Benchmark]: Toolchain (without parser) took 444.60 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 32.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:21:29,370 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:21:29,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.77 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 32.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:21:29,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 438.77 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 32.4 MB in the end (delta: 10.1 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...