./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF --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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:32:40,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:32:40,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:32:40,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:32:40,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:32:40,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:32:40,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:32:40,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:32:40,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:32:40,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:32:40,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:32:40,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:32:40,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:32:40,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:32:40,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:32:40,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:32:40,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:32:40,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:32:40,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:32:40,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:32:40,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:32:40,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:32:40,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:32:40,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:32:40,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:32:40,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:32:40,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:32:40,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:32:40,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:32:40,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:32:40,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:32:40,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:32:40,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:32:40,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:32:40,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:32:40,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:32:40,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:32:40,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:32:40,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:32:40,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:32:40,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:32:40,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-12 22:32:40,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:32:40,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:32:40,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:32:40,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:32:40,353 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:32:40,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:32:40,353 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:32:40,354 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:32:40,354 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:32:40,354 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:32:40,355 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:32:40,355 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:32:40,355 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:32:40,356 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:32:40,356 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:32:40,356 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:32:40,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:32:40,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:32:40,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:32:40,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:32:40,358 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:32:40,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:32:40,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:32:40,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:32:40,359 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:32:40,359 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:32:40,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:32:40,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:32:40,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:32:40,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:32:40,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:32:40,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:32:40,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:32:40,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:32:40,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:32:40,363 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:32:40,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:32:40,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:32:40,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:32:40,363 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_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-11-12 22:32:40,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:32:40,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:32:40,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:32:40,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:32:40,694 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:32:40,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-12 22:32:40,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/d1c08b797/0ad25f270a3b4b07819e95df0a79cf51/FLAG458af97a6 [2021-11-12 22:32:41,317 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:32:41,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-12 22:32:41,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/d1c08b797/0ad25f270a3b4b07819e95df0a79cf51/FLAG458af97a6 [2021-11-12 22:32:41,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/d1c08b797/0ad25f270a3b4b07819e95df0a79cf51 [2021-11-12 22:32:41,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:32:41,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:32:41,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:41,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:32:41,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:32:41,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:41" (1/1) ... [2021-11-12 22:32:41,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cefa968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:41, skipping insertion in model container [2021-11-12 22:32:41,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:41" (1/1) ... [2021-11-12 22:32:41,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:32:41,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:32:41,957 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-11-12 22:32:41,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f6da9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:41, skipping insertion in model container [2021-11-12 22:32:41,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:41,958 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:32:41,960 INFO L158 Benchmark]: Toolchain (without parser) took 338.47ms. Allocated memory is still 104.9MB. Free memory was 61.6MB in the beginning and 79.2MB in the end (delta: -17.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-12 22:32:41,960 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:32:41,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.68ms. Allocated memory is still 104.9MB. Free memory was 61.4MB in the beginning and 79.2MB in the end (delta: -17.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-12 22:32:41,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.68ms. Allocated memory is still 104.9MB. Free memory was 61.4MB in the beginning and 79.2MB in the end (delta: -17.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF --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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:32:44,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:32:44,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:32:44,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:32:44,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:32:44,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:32:44,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:32:44,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:32:44,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:32:44,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:32:44,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:32:44,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:32:44,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:32:44,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:32:44,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:32:44,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:32:44,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:32:44,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:32:44,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:32:44,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:32:44,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:32:44,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:32:44,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:32:44,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:32:44,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:32:44,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:32:44,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:32:44,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:32:44,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:32:44,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:32:44,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:32:44,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:32:44,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:32:44,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:32:44,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:32:44,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:32:44,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:32:44,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:32:44,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:32:44,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:32:44,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:32:44,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-12 22:32:44,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:32:44,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:32:44,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:32:44,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:32:44,374 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:32:44,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:32:44,374 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:32:44,374 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:32:44,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:32:44,375 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:32:44,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:32:44,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:32:44,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:32:44,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:32:44,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:32:44,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:32:44,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:32:44,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:32:44,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:32:44,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:32:44,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:32:44,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:32:44,380 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:32:44,380 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:32:44,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:32:44,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:32:44,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:32:44,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:32:44,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:32:44,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:32:44,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:32:44,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:32:44,382 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:32:44,382 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:32:44,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:32:44,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:32:44,383 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_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-11-12 22:32:44,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:32:44,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:32:44,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:32:44,796 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:32:44,797 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:32:44,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-12 22:32:44,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/0ac2bb39c/e21ac6e28bef4a669e5deae43455596f/FLAG3a50a820c [2021-11-12 22:32:45,536 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:32:45,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-12 22:32:45,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/0ac2bb39c/e21ac6e28bef4a669e5deae43455596f/FLAG3a50a820c [2021-11-12 22:32:45,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0635a7e-5813-4772-9434-60d6411b3e44/bin/utaipan-vmNK8stdcF/data/0ac2bb39c/e21ac6e28bef4a669e5deae43455596f [2021-11-12 22:32:45,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:32:45,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:32:45,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:45,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:32:45,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:32:45,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:45" (1/1) ... [2021-11-12 22:32:45,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffd5cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:45, skipping insertion in model container [2021-11-12 22:32:45,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:32:45" (1/1) ... [2021-11-12 22:32:45,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:32:45,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:32:46,072 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-11-12 22:32:46,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30056ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:32:46, skipping insertion in model container [2021-11-12 22:32:46,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:32:46,073 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:32:46,082 INFO L158 Benchmark]: Toolchain (without parser) took 302.29ms. Allocated memory is still 67.1MB. Free memory was 45.1MB in the beginning and 50.6MB in the end (delta: -5.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-12 22:32:46,083 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:32:46,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.81ms. Allocated memory is still 67.1MB. Free memory was 44.9MB in the beginning and 34.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:32:46,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.81ms. Allocated memory is still 67.1MB. Free memory was 44.9MB in the beginning and 34.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN